نتایج جستجو برای: geochronology
تعداد نتایج: 1891 فیلتر نتایج به سال:
Journal:
:Journal of Geography (Chigaku Zasshi)
1999
Journal:
:Journal of the Mass Spectrometry Society of Japan
1969
2012
Bradley R. Hacker
Emily M. Peterman
Multi-step chemical abrasion thermal ionization mass spectrometry (CA-TIMS) methods were developed for monazite using six samples that vary in composition and age—Amelia, Jefferson County, Burke, Elk Mountain, 554 and Madagascar. To evaluate whether the multi-step CA-TIMS approach reveals complexities in either age or composition that might be masked by single-step analysis, this study presents...
2015
Christopher L. Hill
Journal:
:Eos, Transactions American Geophysical Union
2013
Journal:
:Journal of Geography (Chigaku Zasshi)
1967
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