Heidelberg University
Institute of Earth Sciences

Im Neuenheimer Feld 236
69120 Heidelberg

Phone: +49 6221 54-8206
Fax: +49 6221 54-4805


Isotope Geology and Petrology

Prof. Dr. Axel K. SchmittAxel Schmitt 2018



Institute of Earth Sciences

Ruprecht-Karls-Universität Heidelberg

Im Neuenheimer Feld 236

D-69120 Heidelberg

Room: 411
+49 6221 54-8206
+49 6221 54-4805 (secretariat)



Research interests and projects


  • Time scales of magmatic processes (Origin and timing of melt generation and storage underneath active and fossil volcanoes, Example: Laacher See - Article & Cover Photo)
  • Origin, growth, and recycling of the continental crust (Formation of batholith complexes in subduction zones, element cycles in oceanic arcs, Example: Central Andes - Article & Cover Photo)
  • Continental rifting and magmatism (Embryonic ocean spreading in the Gulf of California, Example: Salton Sea - Article)
  • Volcanism and anthropology (Impact of volcanic eruptions on human evolution in the Mediterranean and Anatolia, Example: Hasan Dag - Article 1, Article 2 & Audio Comment)
  • Magma-driven geothermal systems and their thermal history (Cooling rates of magma reservoirs in oceanic and continental crustal environments)
  • Accessory mineral chronometers in impact rocks and meteorites (In situ dating of baddeleyite using ion microprobe analysis, Example: The age of shergottite meteorites and the Martican crustal paradox - Article)
  • Geomaterials in archaeology (Origins of raw materials of Maya ceramics, Sourcing of neolithic nephrite artifacts, Example: Ilopango - Cover Photo)
  • High resolution stable isotope analysis of carbonates (Speleothems as climate archives)
  • Environmental geochemistry of biominerals (reconstruction of Pacific salmon life cycles from sulfur isotopic analysis of otoliths, Example: Mokelumne River, California)



Academic career and professional employment

(complete CV here)


Since 08/2015 Heidelberg University, Professor
2011 - 2015 University of California Los Angeles, Associate Professor-in-Residence
2009 - 2011 University of California Los Angeles, Associate Adjunct Professor
2008 - 2009 University of California Los Angeles, Assistant Adjunct Professor
2006 - 2008 University of California Los Angeles, Associate Research Specialist and Lecturer
2003 - 2006 University of California Los Angeles, Staff Research Associate
2003 GeoForschungsZentrum Potsdam, Researcher (with tenure)
2002 Australian National University, Visiting Fellow
2000 - 2001 University of California, Los Angeles, Post-doctoral researcher
1999 - 2000 GeoForschungsZentrum Potsdam, Researcher (termed contract)
1999 Promotion (Dr. rer. nat.), Mineralogie, Justus-von-Liebig Universität Gießen
1995 Diplom, Mineralogie, Justus-von-Liebig Universität Gießen
1994 First state examination for secondary school teachers, Justus-von-Liebig University Gießen (Subjects: German and Chemistry)



Stipends / Grants / Awards

2019 DAAD stipend for lecture tour to Iran
2015 Fulbright Scholar Award
2014 German Scholars Organization e.V. (GSO) and Carl-Zeiss-Stiftung (CZS) Program for returning scientists
2014 Mineralogical Society of America Fellow
2014 ETH Zürich Department of Earth Sciences Visiting Professor
2012 DAAD “Rückgewinnung deutscher Wissenschaftler aus dem Ausland”
2006 Best Paper Award, Geothermal Resources Council Meeting
2002 Best Paper Award, Geothermal Resources Council Meeting
1999 Award for excellence in PhD, GeoForschungsZentrum Potsdam
1998 DAAD research stipend





Cappadocia, Turkey (DFG Project „Eruptive recurrence and magma accumulation for Quaternary stratovolcanoes in Central Anatolia“)
2015 Cappadocia, Turkey (Fulbright scholar at Hacettepe University Ankara)
2014 Izu-Bonin-Marianas, Japan (International Ocean Discovery Program Expedition 350, Shipboard scientists on the JOIDES Resolution)
2014 El Chichon, Mexico (UC-Mexus, co-principal investigator)
2013 Campi Flegrei, Italy (National Geographic Society, Young Explorer Grant, academic advisor)
2013 and 2011 Dominica, Antilles (Auckland University, scientific team member)
2009 Altiplano, Chile (Volcano World, scientific team member)
2008 St Lucia, Antillen (National Geographic Society, Committee for Research and Exploration, principal investigator)
2008 and 2006 Tres Virgenes and La Reforma, Mexico (Sutter Buttes Volcano Observatory, scientific team member)



Current teaching


2020/2021 Winter Semester:

  • System Erde (BS)
  • Seminar Mineralogie (BS)
  • Magmatische Petrologie (MS)
  • Geochronologie (MS)


Student supervision


  • Schmitt, Fabian, 2019 BSc, Petrologie von Metabasiten des Zagros-Orogens nordöstlich von Sadegh Abad, Iran
  • Dürr, Tobias, 2019 MSc, The evolution of zircon-undersaturated to zircon-saturated calc-alkaline magma: A case study of Mount Rainier (Washington, USA)
  • Sturm, Anne, 2018 BSc, Xenoliths from the Weinfelder Maar and Meerfelder Maar, West Eifel Volcanic Field: Crustal provenance and pyrometamorphism by petrology and high spatial resolution zircon geochronology
  • Pohlner, Johannes, 2018 MSc, Stratigraphic framework and accessory mineral U-Pb geochronology of early Paleozoic igneous rocks of the western Avalon Peninsula, Newfoundland
  • Heyroth, Lisa, 2017 BSc, Petrographie zirkonführender plutonischer Auswürflinge aus der Vulkaneifel
  • Möller, Bruno, 2017 BSc, Pink Pumice and Ochre Pumice plinian eruptions of the Popocatépetl stratovolcano: geochemical and geochronological constraints for magma residence and conditions
  • Sun, Yi, 2017 BSc, Uran-Thorium-Umgleichgewichtsdatierung von Perowskit aus quartären Alkalibasalten der Vulkaneifel
  • Anguelova, Merislava, 2017 MSc, Petrologie und Geochronologie von mylonitischen Hochdruck-Granuliten des Schwarzwaldes
  • Gassert, Henja, 2017 MSc, Analyses of trace elements and REE of plutonic and volcanic zircon from The Geysers, California Coast Ranges
  • Nitsche, Christoph, 2017 Msc, Three Proterozoic orogenic cycles in the Livingstone Mountains, Tanzania. Evidence from petrology and ion microprobe dating of zircon and monazite
  • Dürr, Tobias, 2016 BSc, Die Entstehungsgeschichte von Kalifeldspatmegakristen des Albtalgranits, Südschwarzwald, anhand von Zr-Hf-Verhältnissen in eingeschlossenen Zirkonen
  • Klitzke, Malte, 2016 BSc, Zircon from igneous rocks of the Eifel: Trace element analysis to reconstruct their origin
  • Coffey, Kevin Thomas, 2015 MS, Oligocene-Miocene Sedimentary and Volcanic Strata of the Vincent Gap Region, Eastern San Gabriel Mountains, Southern California, USA, and Their Tectonic Significance
  • Kaiser, Jason F., 2014 PhD, Understanding Large Resurgent Calderas and Associated Magma Systems: the Pastos Grandes Caldera Complex, Southwest Bolivia
  • Wielicki, Matt, 2014 PhD, Developing Zircon as a Probe of Planetary Impact History
  • Wu, Wan-Ning, 2014 MS, Development of Baddeleyite as a Chronometer for Recent Silica-undersaturated Lavas
  • Bell, Elizabeth Ann, 2013 PhD, Hadean-Archean Transitions: Constraints from the Jack Hills Detrital Zircon Record
  • Huh, Michael, 2013 MS, Experimental Determination of Fluorine and Hydrogen Partitioning between Apatite and Basaltic Melt
  • Pempeña, Napoleon VII, 2013 BS, U-Th dating of Sunset Amphitheater Tephra from Mount Rainier, Washington
  • Perrine, Andrew, 2013 BS, Physical Volcanology of Obsidian Butte, Imperial County, California
  • Song, Eun Jin, 2013 BS, Environmental and Human Impact on Minoan Civilization and Geochronological Analysis of Zircon Crystals to Improve Existing Dates of the Minoan Eruption
  • Stang, Dallon, 2013 MS, Provenance, Offset Equivalent and Palinspastic Reconstruction of the Miocene Cajon Valley Formation, Southern California
  • Storm, Sonja, 2013 PhD, Crystallization history of rhyolite magmas at Tarawera volcano, New Zealand, from in-situ 238U-230Th disequilibrium dating and trace element geochemistry of zircon
  • Trung, Timothy Do Nguyen, 2013 MS, Li/Ca, B/Ca, and Mg/Ca Composition of Cultured Sea Urchin Spines and Paleo-Echinoderms Measured Using a Secondary Ion Mass Spectrometer
  • Cisneros, Miguel, 2012 BS, Geochronology of Detrital Minerals by Using the 40K/40Ca Decay System
  • Coffey, Kevin Thomas, 2012 BS, Comparing Zircon Crystallization Ages Between Volcanic Ash in Maya Ceramics and Tierra Blanca Joven Pumice (Ilopango Volcano, Central American Volcanic Arc)
  • Hoyt, Johanna, 2012 MS, Provenance and Detrital-Zircon Studies of the Mint Canyon Formation and its Correlation to the Caliente Formation, Southern California
  • Kern, Jamie M., 2012 BS, Timescales of Large Silicic Magma Systems: Investigating the Magmatic History of Ignimbrite Eruptions in the Altiplano-Puna Volcanic Complex of the Central Andes through U-­Pb Zircon Dating
  • Gebauer, Samantha, 2011 BS, Improved Geochronology of the Breccia Museo Eruption (Campi Flegrei, southern Italy) via Uranium-series Dating of Zircons
  • Tierney, Casey R., 2011 MS, Timescales of Large Silicic Magma Systems: Implications from Accessory Minerals in Pleistocene Lavas of the Altiplano-Puna Volcanic Complex, Central Andes
  • McCammon, Miles, 2008 BS, Thermometry results from Soufrière Volcanic Center (Saint Lucia, Lesser Antilles)



Memberships / Reviewer


  • PRIMA Evaluation Commission Mathematics, Natural and Engineering Sciences (seit 2019)
  • Co-editor: Journal of Volcanology and Geothermal Research (since 2007)
  • Co-editor: PLOS One (since 2014)
  • NERC Ion Microprobe Facility Advisory Board Member (since 2013)
  • UC-MEXUS grant proposal review panel (2009, 2010)
  • Arabian Journal of Geosciences, Chemical Geology, Chemie der Erde, Contributions to Mineralogy and Petrology, Geochemistry-Geophysics-Geosystems (G3), Geochimica et Cosmochimica Acta, Geology, Geospheres, Gondwana Research, GSA Bulletin, Earth and Planetary Science Letters, Elements, Journal of Analytical Atomic Spectrometry, Journal of Petrology, Journal of Volcanology and Geothermal Research, Lithos, Nature Geoscience, Microscopy and Microanalysis, PLOS One, Reviews in Mineralogy and Geochemistry, Science, Surface and Interface Analysis, National Science Foundation, Deutsche Forschungsgemeinschaft, Natural Environment Research Council, Swiss National Science Foundation




(complete bibliography here)





Friedrichs, B., Atıcı, G., Danišík, M., Yurteri, E. & Schmitt, A. K. (2021). Sequence modeling in zircon double-dating of early Holocene Mt. Erciyes domes (Central Anatolia). Quaternary Geochronology, v. 61, 101129,





Burns, D. H., de Silva, S. L., Tepley, F. J. & Schmitt, A. K. (2020). Chasing the mantle: Deciphering cryptic mantle signals through Earth's thickest continental magmatic arc, Earth and Planetary Science Letters, v. 531, 115985,


Weber, G., Caricchi, L., Arce, J.L. & Schmitt, A. K. (2020). Determining the current size and state of subvolcanic magma reservoirs. Nature Communications 11, 5477,


Harangi, S., Molnár, K., Schmitt, A.K., Dunkl, I., Seghedi, I., Novothny, Á., Molnár, M., Kiss, B., Ntaflos, T., Mason, P.R.D. & Lukács, R. (2020). Fingerprinting the Late Pleistocene tephras of Ciomadul volcano, eastern–central Europe. Journal of Quaternary Science, 35: 232-244,


Ashtiani, R. J., Hassanzadeh, J., Schmitt, A. K., Sudo, M., Timmerman, M., Günter, C. & Sobel, E. (2020). Geochronology and geochemistry of subducted Cadomian continental basement in central Iran: Decompressional anatexis along the Jurassic Neotethys margin. Gondwana Research, v. 82, p. 354-366,


Zou, H., Guo, Z., Peng, Y., Schmitt, A. K., Fan, Q., Zhao, Y. & Ma, M. (2020). U-series ages of young volcanoes from the Southeastern Tibetan Plateau: Holocene eruptions and magma evolution timescales. Lithos, v. 370–371, 105643,


Catlos, E. J., Mark, D. F., Suarez, S., Brookfield, M. E., Miller, C. G., Schmitt, A. K., Gallagher, V. & Kelly, A. (2020). Late Silurian zircon U–Pb ages from the Ludlow and Downton bone beds, Welsh Basin, UK. Journal of the Geological Society,


Carley, T. L., Miller, C. F., Fisher, C. M., Hanchar, J. M., Vervoort, J. D., Schmitt, A. K., Economos, R. C., Jordan, B. T., Padilla, A. J. & Banik, T. J. (2020). Petrogenesis of Silicic Magmas in Iceland through Space and Time: The Isotopic Record Preserved in Zircon and Whole Rocks. The Journal of Geology, 128:1, 1-28,


Pohlner, J. E., Schmitt, A. K., Chamberlain, K. R., Davies, J. H. F. L., Hildenbrand, A. & Austermann, G. (2020). Multimethod U–Pb baddeleyite dating: insights from the Spread Eagle Intrusive Complex and Cape St. Mary's sills, Newfoundland, Canada. Geochronology 2(2):187-208 doi:10.5194/gchron-2-187-2020.


Weber, B., Schmitt, A. K., Cisneros de León, A., González-Guzmán, R. & Gerdes, A. (2020). Neoproterozoic extension and the Central Iapetus Magmatic Province in southern Mexico – New U-Pb ages, Hf-O isotopes and trace element data of zircon from the Chiapas Massif Complex. Gondwana Research, v. 88, p. 1-20,


Tazzo-Rangel, M. D. , Weber, B., Schmitt, A. K., González-Guzmán, R., Cisneros de León, A. & Hecht, L. (2020). Permo–Triassic metamorphism in the Mérida Andes, Venezuela: new insights from geochronology, O-isotopes, and geothermobarometry. International Journal of Earth Sciences,


Friedrichs, B., Schmitt, A. K., McGee, L. & Turner, S. (2020). U–Th whole rock data and high spatial resolution U–Th disequilibrium and U–Pb zircon ages of Mt. Erciyes and Mt. Hasan Quaternary stratovolcanic complexes (Central Anatolia). Data in Brief, v. 29, 105113,


Friedrichs, B., Schindlbeck-Belo, J. C., Danišík, M., Jenkins, S. F., Yurteri, E., Çobankaya, M., Frische, M., Wang, K.-L., Lee, H.-Y., Atıcı, G., Schmitt, A. K. & Sparks, R. S. J. (2020). New insights into source and dispersal of Mediterranean S1 tephra, an early Holocene marker horizon erupted at Mt. Erciyes (Turkey). Quaternary Science Reviews, v. 249, 106606,


Danišík, M., Lowe, D. J., Schmitt, A. K., Friedrichs, B., Hogg, A. G. & Evans, N. J. (2020). Sub-millennial eruptive recurrence in the silicic Mangaone Subgroup tephra sequence, New Zealand, from Bayesian modelling of zircon double-dating and radiocarbon ages. Quaternary Science Reviews, v. 246, 106517,


Friedrichs, B., Atıcı, G., Danišík, M., Atakay, E., Çobankaya, M., Harvey, J. C., Yurteri, E. & Schmitt, A. K. (2020). Late Pleistocene eruptive recurrence in the post-collisional Mt. Hasan stratovolcanic complex (Central Anatolia) revealed by zircon double-dating. Journal of Volcanology and Geothermal Research, v. 404, 107007,


Friedrichs, B., Schmitt, A. K., McGee, L. & Turner, S. (2020). Corrigendum to 'U-Th whole rock data and high spatial resolution U-Th disequilibrium and U-Pb zircon ages of Mt. Erciyes and Mt. Hasan Quaternary stratovolcanic complexes (Central Anatolia). Data in brief, 31, 106009.


Gençalioğlu-Kuşcu, G., Uslular, G., Danišík, M., Koppers, A., Miggins, D. P., Friedrichs, B., & Schmitt, A. K. (2020). U–Th disequilibrium, (U–Th)/He and 40Ar/39Ar geochronology of distal Nisyros Kyra tephra deposits on Datça peninsula (SW Anatolia). Quaternary Geochronology, 55, 101033.


Cardona, A., León, S., Jaramillo, J.S., Valencia, V., Zapata, S., Pardo–Trujillo, A., Schmitt, A.K., Mejía, D. & Arenas, J.C. (2020). Cretaceous record from a Mariana– to an Andean–type margin in the Central Cordillera of the Colombian Andes. In: Gómez, J. & Pinilla–Pachon, A.O. (editors), The Geology of Colombia, Volume 2 Mesozoic. Servicio Geológico Colombiano, Publicaciones Geológicas Especiales 36, 39 p. Bogotá.





Schmitt, A.K., Magee, C.W., Williams, I.S., Holden, P., Ireland, T.R., DiBugnara, D.L. & Bodorkos, S. (2019). Oxygen isotopic heterogeneity in the Temora-2 reference zircon. Record 2019/004. Geoscience Australia, Canberra. 


Friedrichs, B., Schmitt, A., McGee, L. & Turner, S. (2019). U-Th whole rock data and high spatial resolution U-Th disequilibrium and U-Pb ages of Mt. Erciyes and Mt. Hasan Quaternary stratovolcano complexes (Central Anatolia). Data in Brief, v. 29, 105113,


Atici, G., Schmitt, A. K., Friedrichs, B., Sparks, S., Danišík, M., Yurteri, E., Gündoğdu, E. A., Schindlbeck-Belo, J., Çobankaya, M., Wang, K.-L. & Lee, H.-Y. (2019). Ages and glass compositions for paired large-volume eruptions from the Acigöl volcanic complex, Cappadocia (Turkey). Mediterranean Geoscience Reviews, v.1, p. 167–178,


Schmitt, A. K., Zack, T., Kooijman, E., Logvinova, A. M., & Sobolev, N. V. (2019). U–Pb ages of rare rutile inclusions in diamond indicate entrapment synchronous with kimberlite formation. Lithos,


Sun, Y., & Schmitt, A. K. (2019). 238U/230Th disequilibrium dating and trace element geochemistry of perovskite from late Quaternary alkali mafic rocks of the West Eifel Volcanic Field (Germany). European Journal of Mineralogy,


Tamblyn, R., Zack, T., Schmitt, A. K., Hand, M., Kelsey, D., Morrissey, L., Pabst, S. & Savov, I. P. (2019). Blueschist from the Mariana forearc records long-lived residence of material in the subduction channel. Earth and Planetary Science Letters, 519, 171-181.


Akin, L., Aydar, E., Schmitt, A. K., & Çubukçu, H. E. (2019). Application of zircon typology method to felsic rocks (Cappadocia, Central Anatolia, Turkey): a zircon crystallization temperature perspective. Turkish Journal of Earth Sciences, 28(3), 351-371.


Ghalamghash, J., Schmitt, A. K., & Chaharlang, R. (2019). Age and compositional evolution of Sahand volcano in the context of post-collisional magmatism in northwestern Iran: Evidence for time-transgressive magmatism away from the collisional suture. Lithos, 344, 265-279.


Stimac, J., Sihotang, A. M., Mussofan, W., Baroek, M., Jones, C., Moore, J. N., & Schmitt, A. K. (2019). Geologic controls on the Muara Laboh geothermal system, Sumatra, Indonesia. Geothermics, 82, 97-120.


Cisneros de León, & Schmitt, A. K. (2019). Intrusive reawakening of El Chichón volcano prior to its Holocene eruptive hyperactivity. Journal of Volcanology and Geothermal Research, 377, 53-68.


Ulusoy, İ., Sarıkaya, M. A., Schmitt, A. K., Şen, E., Danišík, M., & Gümüş, E. (2019). Volcanic eruption eye-witnessed and recorded by prehistoric humans. Quaternary Science Reviews, 212, 187-198.


Cisneros de León, A. C., Schmitt, A. K., Roberge, J., Heiler, L., Ludwig, C., & Schmitt, F. H. (2019). Zircon in sak lu'um: Evidence of multiple Eocene silicic tephra layers as palygorskite precursors in the Yucatán peninsula, Mexico. Journal of South American Earth Sciences,


Cisneros de León, A. C., Schmitt, A. K., Storm, S., Weber, B., Schindlbeck-Belo, J. C., Trumbull, R. B., & Juárez, F. (2019). Millennial to decadal magma evolution in an arc volcano from zircon and tephra of the 2016 Santiaguito eruption (Guatemala). Lithos,


Cisneros de León, A., & Schmitt, A. K. (2019). Reconciling Li and O diffusion in zircon with protracted magmatic crystal residence. Contributions to Mineralogy and Petrology, 174(4), 28.


Karsli, O., Dokuz, A., Kandemir, R., Aydin, F., Schmitt, A. K., Ersoy, E. Y., & Alyildiz, C. (2019). Adakite-like parental melt generation by partial fusion of juvenile lower crust, Sakarya Zone, NE Turkey: A far-field response to break-off of the southern Neotethyan oceanic lithosphere. Lithos, 338-339, 58-72.


Molnár, K., Lukács, R., Dunkl, I., Schmitt, A. K., Kiss, B., Seghedi, I., Szepesi J. & Harangi, S. (2019). Episodes of dormancy and eruption of the Late Pleistocene Ciomadul volcanic complex (Eastern Carpathians, Romania) constrained by zircon geochronology. Journal of Volcanology and Geothermal Research, 373, 133-147.


Sisson, T. W., Schmitt, A. K., Danišík, M., Calvert, A. T., Pempena, N., Huang, C. Y., & Shen, C. C. (2019). Age of the dacite of Sunset Amphitheater, a voluminous Pleistocene tephra from Mount Rainier (USA), and implications for Cascade glacial stratigraphy. Journal of Volcanology and Geothermal Research, 376, 27-43.


Ghalamghash, J., Schmitt, A. K., Shiaian, K., Jamal, R., & Chung, S. L. (2019). Magma origins and geodynamic implications for the Makran-Chagai arc from geochronology and geochemistry of Bazman volcano, southeastern Iran. Journal of Asian Earth Sciences, 171, 289-304.


Catlos, E. J., Pease, E. C., Dygert, N., Brookfield, M., Schwarz, W. H., Bhutani, R., Pande, K. & Schmitt, A. K. (2019). Nature, age and emplacement of the Spongtang ophiolite, Ladakh, NW India. Journal of the Geological Society, 176(2), 284-305.


Weber, B., Schmitt, A. K., Cisneros de León, A., & González‐Guzmán, R. (2019). Coeval Early Ediacaran Breakup of Amazonia, Baltica, and Laurentia: Evidence From Micro‐Baddeleyite Dating of Dykes From the Novillo Canyon, Mexico. Geophysical Research Letters, 46(4), 2003-2011.


Coffey, K. T., Ingersoll, R. V., & Schmitt, A. K. (2019). Stratigraphy, provenance, and tectonic significance of the Punchbowl block, San Gabriel Mountains, California, USA. Geosphere,


Schmitt, A. K., Perrine, A. R., Rhodes, E. J., & Fischer, C. (2019). Age of Obsidian Butte in Imperial County, California, Through Infrared Stimulated Luminescence Dating of Potassium Feldspar from Tuffaceous Sediment. California Archaeology, 11(1), 5-20.


Schmitt, A. K., Liu, M. C., & Kohl, I. E. (2019). Sensitive and rapid oxygen isotopic analysis of nephrite jade using large-geometry SIMS. Journal of Analytical Atomic Spectrometry, 34(3), 561-569.





Troch, J., Ellis, B. S., Schmitt, A. K., Bouvier, A. S., & Bachmann, O. (2018). The dark side of zircon: textural, age, oxygen isotopic and trace element evidence of fluid saturation in the subvolcanic reservoir of the Island Park-Mount Jackson Rhyolite, Yellowstone (USA). Contributions to Mineralogy and Petrology, 173(7), 54.


Lukács, R., Guillong, M., Schmitt, A. K., Molnár, K., Bachmann, O., & Harangi, S. (2018). LA-ICP-MS and SIMS U-Pb and U-Th zircon geochronological data of Late Pleistocene lava domes of the Ciomadul Volcanic Dome Complex (Eastern Carpathians). Data in Brief, 18, 808-813.


Schmitt, A. K., Konrad, K., Andrews, G. D., Horie, K., Brown, S. R., Koppers, A. A., Pecha, M., Busby, C.J. & Tamura, Y. (2018). 40Ar/39Ar ages and zircon petrochronology for the rear arc of the Izu-Bonin-Marianas intra-oceanic subduction zone. International Geology Review, 60(8), 956-976.


Wulf, S., Hardiman, M. J., Staff, R. A., Koutsodendris, A., Appelt, O., Blockley, S. P., Lowe, J. J., Manning, C. J., Ottolini, L., Schmitt, A. K. & Smith, V. C. (2018). The marine isotope stage 1–5 cryptotephra record of Tenaghi Philippon, Greece: Towards a detailed tephrostratigraphic framework for the Eastern Mediterranean region. Quaternary Science Reviews, 186, 236-262.


Molnár, K., Harangi, S., Lukács, R., Dunkl, I., Schmitt, A. K., Kiss, B., Garamhegyi, T. & Seghedi, I. (2018). The onset of the volcanism in the Ciomadul Volcanic Dome Complex (Eastern Carpathians): eruption chronology and magma type variation. Journal of Volcanology and Geothermal Research, 354, 39-56.


Bindeman, I., Schmitt, A., Lundstrom, C., & Hervig, R. (2018). Stability of Zircon and its Isotopic Ratios in High-Temperature Fluids: Long-Term (4 months) Isotope Exchange Experiment at 850° C and 50 MPa. Frontiers in Earth Science, 6, 59.





Grocke, S. B., de Silva, S. L., Wallace, P. J., Cottrell, E., & Schmitt, A. K. (2017). Catastrophic Caldera-Forming (CCF) Monotonous Silicic Magma Reservoirs: Constraints from Volatiles in Melt Inclusions from the 3· 49 Ma Tara Supereruption, Guacha II Caldera, SW Bolivia. Journal of Petrology, 58(11), 2115-2142.


Carley, T. L., Miller, C. F., Sigmarsson, O., Coble, M. A., Fisher, C. M., Hanchar, J. M., Schmitt, A. K. & Economos, R. C. (2017). Detrital zircon resolve longevity and evolution of silicic magmatism in extinct volcanic centers: A case study from the East Fjords of Iceland. Geosphere, 13(5), 1640-1663.


Schmitt, A. K., Klitzke, M., Gerdes, A. & Schäfer C. (2017) Zircon Hafnium-Oxygen Isotope and Trace Element Petrochronology of Intraplate Volcanics from the Eifel (Germany) and Implications for Mantle versus Crustal Origins of Zircon Megacrysts. Journal of Petrology, 58 (9), 1841-1870.


Schmitt, A. K., & Vazquez, J. A. (2017). Secondary ionization mass spectrometry analysis in petrochronology. Reviews in Mineralogy and Geochemistry, 83(1), 199-230.


Mucek, A. E., Danišík, M., de Silva, S. L., Schmitt, A. K., Pratomo, I., & Coble, M. A. (2017). Post-supereruption recovery at Toba Caldera. Nature Communications, 8, 15248 (2017) doi:10.1038/ncomms15248.


Ellis, B. S., Szymanowski, D., Wotzlaw, J. F., Schmitt, A. K., Bindeman, I. N., Troch, J., Harris, C., Bachmann, O. & Guillong, M. (2017). Post-caldera Volcanism at the Heise Volcanic Field: Implications for Petrogenetic Models. Journal of Petrology, 58(1), 115-136.


Bezard, R., Turner, S., Davidson, J., Schmitt, A. K., & Lindsay, J. (2017). Origin and Evolution of Silicic Magmas in Oceanic Arcs; an in situ Study from St Lucia, Lesser Antilles. Journal of Petrology,


Faramarzi, N. S., Amini, S., Borg, G., Schmitt, A. K., Hassanzadeh, J., McKeegan, K., Mortazavi, S.M., Jamshidibadr, M. & Razavi, S. M. H. (2017). Reply to comment on “Geochronology and geochemistry of rhyolites from Hormuz Island, southern Iran: A new Cadomian arc magmatism in the Hormuz Formation” by Atapour, H. and Aftabi, A. Lithos, 284–285, 783-787.


Zhang, D. H., Wei, J. H., Fu, L. B., Schmitt, A. K., Wang, D. Z., Tan, J., & Liu, J. K. (2017). Petrogenesis and thermal overprint of S-type granites in Helanshan region, North China Craton: Constraints on the 1.90 Ga khondalites decompression melting and 1.32 Ga tectono-thermal event. Precambrian Research, 303, 660-672.


Busby, C. J., Tamura, Y., Blum, P., Guèrin, G., Andrews, G. D. M., Barker, A. K., Berger, J. L. R., Bongiolo, E. M., Bordiga, M., DeBari, S. M., Gill, J. B., Hamelin, C., Jia, J., John, E. H., Jonas, A.-S., Jutzeler, M., Kars, M. A. C., Kita, Z. A., Konrad, K., Mahoney, S. H., Martini, M., Miyazaki, T., Musgrave, R. J., Nascimento, D. B., Nichols, A. R. L., Ribeiro, J. M., Sato, T., Schindlbeck, J. C., Schmitt, A. K., Straub, S. M., Vautravers, M. J., Yamashita, M., & Yang, Y. (2017). The missing half of the subduction factory: shipboard results from the Izu rear arc, IODP Expedition 350. International Geology Review, 1-32,


Kaiser, J. F., de Silva, S., Schmitt, A. K., Economos, R., & Sunagua, M. (2017). Million-year melt–presence in monotonous intermediate magma for a volcanic–plutonic assemblage in the Central Andes: Contrasting histories of crystal-rich and crystal-poor super-sized silicic magmas. Earth and Planetary Science Letters, 457, 73-86.





Barboni, M., Boehnke, P., Schmitt, A. K., Harrison, T. M., Shane, P., Bouvier, A. S., & Baumgartner, L. (2016). Warm storage for arc magmas. Proceedings of the National Academy of Sciences, 113(49), 13959-13964.


Danišík, M., Schmitt, A. K., Stockli, D. F., Lovera, O. M., Dunkl, I., & Evans, N. J. (2016). Application of combined U-Th-disequilibrium/U-Pb and (U-Th)/He zircon dating to tephrochronology. Quaternary Geochronology,


Watts, K. E., John, D. A., Colgan, J. P., Henry, C. D., Bindeman, I. N., & Schmitt, A. K. (2016). Probing the Volcanic–Plutonic Connection and the Genesis of Crystal-rich Rhyolite in a Deeply Dissected Supervolcano in the Nevada Great Basin: Source of the Late Eocene Caetano Tuff. Journal of Petrology, 57(8), 1599-1644.


Ghalamghash, J., Mousavi, S. Z., Hassanzadeh, J., & Schmitt, A. K. (2016). Geology, zircon geochronology, and petrogenesis of Sabalan volcano (northwestern Iran). Journal of Volcanology and Geothermal Research, 327, 192-207.


Padilla, A. J., Miller, C. F., Carley, T. L., Economos, R. C., Schmitt, A. K., Coble, M. A., Wooden, J. L., Fisher, C. M., Vervoort, J. D. & Hanchar, J. M. (2016). Elucidating the magmatic history of the Austurhorn silicic intrusive complex (southeast Iceland) using zircon elemental and isotopic geochemistry and geochronology. Contributions to Mineralogy and Petrology, 171(8-9), 69.


Wielicki, M. M., Harrison, T. M., Schmitt, A. K., Boehnke, P., & Bell, E. A. (2016). Differentiated impact melt sheets may be a potential source of Hadean detrital zircon: COMMENT. Geology, 44(8), e398. DOI: 10.1130/G38135C.1.


He, D., Webb, A. A. G., Larson, K. P., & Schmitt, A. K. (2016). Extrusion vs. duplexing models of Himalayan mountain building 2: The South Tibet detachment at the Dadeldhura klippe. Tectonophysics, 667, 87-107.


Kern, J. M., de Silva, S. L., Schmitt, A. K., Kaiser, J. F., Iriarte, A. R., & Economos, R. (2016). Geochronological imaging of an episodically constructed subvolcanic batholith: U-Pb in zircon chronochemistry of the Altiplano-Puna Volcanic Complex of the Central Andes. Geosphere, GES01258-1. DOI: 10.1130/GES01258.1.


Andrews, G. D., Schmitt, A. K., Busby, C. J., Brown, S. R., Blum, P., & Harvey, J. (2016). Age and compositional data of zircon from sepiolite drilling mud to identify contamination of ocean drilling samples. Geochemistry, Geophysics, Geosystems. DOI: 10.1002/2016GC006397.


Tierney, C. R., Schmitt, A. K., Lovera, O. M., & de Silva, S. L. (2016). Voluminous plutonism during volcanic quiescence revealed by thermochemical modeling of zircon. Geology, 44(8), 683-686.


Darling, J. R., Moser, D. E., Barker, I. R., Tait, K. T., Chamberlain, K. R., Schmitt, A. K., & Hyde, B. C. (2016). Variable microstructural response of baddeleyite to shock metamorphism in young basaltic shergottite NWA 5298 and improved U–Pb dating of Solar System events. Earth and Planetary Science Letters, 444, 1-12.


Bindeman, I. N., Anikin, L. P., & Schmitt, A. K. (2016). Archean Xenocrysts in Modern Volcanic Rocks from Kamchatka: Insight into the Basement and Paleodrainage. The Journal of Geology, 124 (2), 247-253.


Pingel, H., Mulch, A., Alonso, R. N., Cottle, J., Hynek, S. A., Poletti, J., Rohrmann, A., Schmitt, A. K., Stockli, D.F. & Strecker, M.R. (2016). Surface uplift and convective rainfall along the southern Central Andes (Angastaco Basin, NW Argentina). Earth and Planetary Science Letters, 440, 33-42.


Guillong, M., Sliwinski, J. T., Schmitt, A. K., Forni, F. & Bachmann, O. (2016). U‐Th Zircon Dating by Single Collector Laser Ablation Inductively Coupled Plasma‐Mass Spectrometry (LA‐ICP‐MS). Geostandards and Geoanalytical Research, 40(3), 377-387. DOI: 10.1111/j.1751-908X.2016.00396.x..


Pack, B., Schmitt, A. K., Roberge, J., Tenorio, F.G. & Damiata, B. N. (2016). Zircon xenocryst resorption and magmatic regrowth at El Chichón Volcano, Chiapas, Mexico. Journal of Volcanology and Geothermal Research, 311, 170-182.


Ballato, P., Cifelli, F., Heidarzadeh, G., Ghassemi, M. R., Wickert, A. D., Hassanzadeh, J., Dupont‐Nivet, G., Balling, P., Sudo, M., Zeilinger, G. & Schmitt, A. K. (2016). Tectono‐sedimentary evolution of the northern Iranian Plateau: insights from middle‐late Miocene foreland‐basin deposits. Basin Research, Doi:10.1111/bre.12180.





Wu, W. N., Schmitt, A. K., & Pappalardo, L. (2015). U-Th baddeleyite geochronology and its significance to date the emplacement of silica undersaturated magmas. American Mineralogist, 100(10), 2082-2090.


Faramarzi, N. S., Amini, S., Schmitt, A. K., Hassanzadeh, J., Borg, G., McKeegan, K., Razavi, S. M. H. & Mortazavi, S. M. (2015). Geochronology and geochemistry of rhyolites from Hormuz Island, southern Iran: A new record of Cadomian arc magmatism in the Hormuz Formation. Lithos, 236, 203-211.


Burns, D. H., de Silva, S. L., Tepley, F., Schmitt, A. K., & Loewen, M. W. (2015). Recording the transition from flare-up to steady-state arc magmatism at the Purico–Chascon volcanic complex, northern Chile. Earth and Planetary Science Letters, 422, 75-86.


Harangi, S., Lukács, R., Schmitt, A. K., Dunkl, I., Molnár, K., Kiss, B., Seghedi, I., Novothny, A. & Molnár, M. (2015). Constraints on the timing of Quaternary volcanism and duration of magma residence at Ciomadul volcano, east-central Europe, from combined U-Th/He and U-Th zircon geochronology. Journal of Volcanology and Geothermal Research, 301, 66-80.


Howe, T. M., Schmitt, A. K., Lindsay, J. M., Shane, P. & Stockli, D. F. (2015). Time scales of intraoceanic arc magmatism from combined U‐Th and (U‐Th)/He zircon geochronology of Dominica, Lesser Antilles. Geochemistry, Geophysics, Geosystems, 16(2), 347-365.


Schaltegger, U., Schmitt, A. K. & Horstwood, M. S. A. (2015). U–Th–Pb zircon geochronology by ID-TIMS, SIMS, and laser ablation ICP-MS: Recipes, interpretations, and opportunities. Chemical Geology, 402, 89-110.


Colón, D. P., Bindeman, I. N., Ellis, B. S., Schmitt, A. K. & Fisher, C. M. (2015). Hydrothermal alteration and melting of the crust during the Columbia River Basalt–Snake River Plain transition and the origin of low-δ 18 O rhyolites of the central Snake River Plain, Lithos, 224, 310-323


Guillong, M., Schmitt, A. K. & Bachmann, O. (2015). Comment on “Zircon U–Th–Pb dating using LA-ICP-MS: Simultaneous U–Pb and U–Th dating on 0.1 Ma Toya Tephra, Japan” by Hisatoshi Ito, Journal of Volcanology and Geothermal Research, 296, 101-103


Peters, T. J. Simon, J. I., Jones, J. H., Usui, T., Moriwaki, R., Economos, R. C., Schmitt, A. K. & McKeegan, K. (2015). Tracking the source of the enriched martian meteorites in olivine-hosted melt inclusions of two depleted shergottites, Yamato 980459 and Tissint, Earth and Planetary Science Letters, 418, 91-102


Shulaker, D. Z., Schmitt, A. K., Zack, T. & Bindeman, I. (2015). In-situ oxygen isotope and trace element geothermometry of rutilated quartz from Alpine fissures. American Mineralogist, 100(4), 915-925.


Tamura, Y., Busby, C.J., Blum, P., and the Expedition 350 Scientists (2015) Proceedings of the International Ocean Discovery Program, Expedition 350: Izu-Bonin-Mariana Rear Arc: College Station, TX (International Ocean Discovery Program).





Storm, S., Schmitt, A. K., Shane, P., & Lindsay, J. M. (2014). Zircon trace element chemistry at sub-micrometer resolution for Tarawera volcano, New Zealand, and implications for rhyolite magma evolution. Contributions to Mineralogy and Petrology, 167(4), 1-19.


He, D., Webb, A. G., Larson, K. P., Martin, A. J. & Schmitt, A. K. (2014). Extrusion vs. duplexing models of Himalayan mountain building 3: duplexing dominates from the Oligocene to Present. International Geology Review, 57(1), 1-27.


Vazquez, J. A., Velasco, N. O., Schmitt, A. K., Bleick, H. A. & Stelten, M. E. (2014). 238U-230Th dating of chevkinite in high-silica rhyolites from La Primavera and Yellowstone calderas. Chemical Geology. DOI: 10.1016/j.chemgeo.2014.10.020.


Aydin, F., Schmitt, A. K., Siebel, W., Sönmez, M., Ersoy, Y., Lermi, A., Dirik, K. & Duncan, R. (2014). Quaternary bimodal volcanism in the Niğde Volcanic Complex (Cappadocia, central Anatolia, Turkey): age, petrogenesis and geodynamic implications. Contributions to Mineralogy and Petrology, 168(5), 1-24.


Schmitt, A. K., Danišík, M., Siebel, W., Elitok, Ö., Chang, Y. W., & Shen, C. C. (2014). Late Pleistocene Zircon Ages for Intracaldera Domes at Gölcük (Isparta, Turkey). Journal of Volcanology and Geothermal Research, 286, 24-29.


Carley, T. L., Miller, C. F., Wooden, J. L., Padilla, A. J., Schmitt, A. K., Economos, R. C., Bindeman, I. N. & Jordan, B. T. (2014). Iceland is not a magmatic analog for the Hadean: Evidence from the zircon record. Earth and Planetary Science Letters, 405, 85-97.


Simon, J. I., Weis, D., DePaolo, D. J., Renne, P. R., Mundil, R. & Schmitt, A. K. (2014). Assimilation of preexisting Pleistocene intrusions at Long Valley by periodic magma recharge accelerates rhyolite generation: rethinking the remelting model. Contributions to Mineralogy and Petrology, 167(1), 1-34.


Wotzlaw, J. F., Bindeman, I. N., Watts, K. E., Schmitt, A. K., Caricchi, L. & Schaltegger, U. (2014). Linking rapid magma reservoir assembly and eruption trigger mechanisms at evolved Yellowstone-type supervolcanoes. Geology, 42(9), 807-810.


Howe, T. M., Lindsay, J. M., Shane, P., Schmitt, A. K. & Stockli, D. F. (2014). Re-evaluation of the Roseau Tuff eruptive sequence and other ignimbrites in Dominica, Lesser Antilles. Journal of Quaternary Science, 29(6), 531-546.


Zou, H., Fan, Q., Zhang, H. & Schmitt, A. K. (2014). U-series zircon age constraints on the plumbing system and magma residence times of the Changbai volcano, China/North Korea border. Lithos, 200, 169-180.


Delavari, M., Amini, S., Schmitt, A. K., McKeegan, K. D. & Mark Harrison, T. (2014). U-Pb geochronology and geochemistry of Bibi-Maryam pluton, eastern Iran: Implication for the late stage of the tectonic evolution of the Sistan Ocean. Lithos, 200, 197-211.


Robinson, P. T., Trumbull, R. B., Schmitt, A. K., Yang, J. S., Li, J. W., Zhou, M. F., Erzinger, J., Dare S. & Xiong, F. (2014). The origin and significance of crustal minerals in ophiolitic chromitites and peridotites. Gondwana Research, 27, 486-506, DOI: 10.1016/


Neill, I., Kerr, A. C., Chamberlain, K. R., Schmitt, A. K., Urbani, F., Hastie, A. R., Pindell, J. L., Barry, T. L. & Millar, I. L. (2014). Vestiges of the proto-Caribbean seaway: Origin of the San Souci Volcanic Group, Trinidad. Tectonophysics, 626, 170-185.


Franz, H. B., Kim, S. T., Farquhar, J., Day, J. M., Economos, R. C., McKeegan, K. D., Schmitt, A. K., Irving, A. J., Hoek, J. & Dottin III, J. (2014). Isotopic links between atmospheric chemistry and the deep sulphur cycle on Mars. Nature, 508(7496), 364-368.


Wotzlaw, J. F., Bindeman, I. N., Watts, K. E., Schmitt, A. K., Caricchi, L. & Schaltegger, U. (2014). Linking rapid magma reservoir assembly and eruption trigger mechanisms at evolved Yellowstone-type supervolcanoes. Geology, G35979-1, DOI: 10.1130/G35979.1.


Coffey, K. T., Schmitt, A. K., Ford, A., Spera, F. J., Christensen, C. & Garrison, J. (2014). Volcanic ash provenance from zircon dust with an application to Maya pottery. Geology 42(7), 595-598.


Limburg, K. E., Walther, B. D., Lu, Z., Jackman, G., Mohan, J., Walther, Y., Nissling, A., Weber, P. K., Schmitt, A. K. (2014). In search of the dead zone: use of otoliths for tracking fish exposure to hypoxia. Journal of Marine Systems,


Bindeman, I. N., Serebryakov, N. S., Schmitt, A. K., Vazquez, J. A., Guan, Y., Azimov, P. Ya., Astafiev, B. Yu., Palandri, J. & Dobrzhinetskaya, L. (2014). Field and microanalytical isotopic investigation of ultradepleted in 18O Paleoproterozoic “Slushball Earth” rocks from Karelia, Russia. Geosphere, GES00952. 1.



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