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Research Article| June 01, 2015 Geochronology and Thermochronology Using Apatite: Time and Temperature, Lower Crust to Surface David M. Chew; David M. Chew 1Department of Geology, School of Natural Sciences, Trinity College DublinDublin 2, IrelandE-mail: chewd@tcd.ie Search for other works by this author on: GSW Google Scholar Richard A. Spikings Richard A. Spikings 2Section of Earth and Environmental Sciences, University of GenevaCH-1205, Geneva, SwitzerlandE-mail: Richard.Spikings@unige.ch Search for other works by this author on: GSW Google Scholar Author and Article Information David M. Chew 1Department of Geology, School of Natural Sciences, Trinity College DublinDublin 2, IrelandE-mail: chewd@tcd.ie Richard A. Spikings 2Section of Earth and Environmental Sciences, University of GenevaCH-1205, Geneva, SwitzerlandE-mail: Richard.Spikings@unige.ch Publisher: Mineralogical Society of America First Online: 09 Mar 2017 Online ISSN: 1811-5217 Print ISSN: 1811-5209 © 2015 by the Mineralogical Society of America Elements (2015) 11 (3): 189–194. https://doi.org/10.2113/gselements.11.3.189 Article history First Online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation David M. Chew, Richard A. Spikings; Geochronology and Thermochronology Using Apatite: Time and Temperature, Lower Crust to Surface. Elements 2015;; 11 (3): 189–194. doi: https://doi.org/10.2113/gselements.11.3.189 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyElements Search Advanced Search Abstract Apatite can provide geologists with an exceptionally wide range of ages and temperatures to investigate processes that operate from Earth's surface right down to the lower crust. Apatite is a widespread accessory mineral in igneous, metamorphic, and clastic sedimentary rocks and can be dated using four radioactive decay schemes, each with a different temperature window for isotopic closure: Lu–Hf (675–750 °C); U–Pb (350–550 °C); apatite fission track (60–110 °C); (U–Th)/He (40–80 °C). The fission-track and (U–Th)/He methods are popular for studying upper-crustal and near-surface processes, whereas the U–Pb and Lu–Hf systems are used to investigate the thermal, tectonic, and magmatic histories of the deeper crust. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.