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职业迁徙
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Research
Integration of high-precision geochronology, paleontology, and stratigraphy to determine the age of major events for life. For example, dating the end-Permian mass extinction through U-Pb analysis of zircon from volcanic ash beds, with the goal of determining the cause of the extinction.
Developing techniques necessary to produce temporal constraints with uncertainties of better than 0.1%, including production of tracer solutions and characterization of zircon age standards that are being distributed worldwide for the purposes of inter-laboratory calibration.
Obtaining high-precision dates from small fragments of accessory minerals (zircon, monazite, titanite) that were characterized for composition and zoning by micro-beam methods. Examples of the goals of this work are determining rates of silicic magma generation and the timing of metamorphic events.
研究兴趣
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Camila Martinez,Diana K. Perez-Lara, David S. Avellaneda-Jimenez,Dayenari Caballero-Rodriguez,Oris Rodriguez-Reyes,James L. Crowley,Carlos Jaramillo
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY (2024): 112006
Charles W. Magee Jr.,Simon Bodorkos, Christopher J. Lewis,James L. Crowley,Corey J. Wall,Richard M. Friedman
Geochronologyno. 1 (2023): 1-19
Proceedings of the National Academy of Sciences of the United States of Americano. 30 (2023)
引用3浏览0WOS引用
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Munazzam Ali Mahar,Philip C. Goodell,Jason W. Ricketts,Eric J. Kappus,James L. Crowley, Anthony M. Alvarez
GEOSPHEREno. 2 (2023): 599-627
GEOSTANDARDS AND GEOANALYTICAL RESEARCH (2023)
Geological Society, London, Special Publicationsno. 1 (2023): 301-321
引用2浏览0引用
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Canadian Journal of Earth Sciencesno. 9 (2023): 1356-1358
引用0浏览0引用
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CANADIAN JOURNAL OF EARTH SCIENCESno. 4 (2023): 442-462
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