High-Precision Geochronology

被引：61

作者：

Schmitz, Mark D. ^{[1
]}

Kuiper, Klaudia F. ^{[2
]}

机构：

[1] Boise State Univ, Dept Geosci, Boise, ID 83725 USA

[2] Vrije Univ Amsterdam, Fac Earth & Life Sci, NL-1081 HV Amsterdam, Netherlands

来源：

ELEMENTS | 2013年 / 9卷 / 01期

关键词：

40Ar/39Ar geochronology; U-Pb geochronology; biostratigraphy; astrochronology; Permo-Triassic; Bishop Tuff; DECAY CONSTANTS; BISHOP TUFF; 40AR/39AR AGE; ZIRCON; ACCURACY; SYSTEM; LONG; RESOLUTION;

D O I：

10.2113/gselements.9.1.25

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

High-precision geochronology is integral to testing hypotheses regarding the correlation, causes, and rates of events and processes in Earth history. Recent studies have sought to reconcile very precise, but apparently conflicting, ages for the same geological samples and events using different chronometers. Both systematic (decay constants, ages of standard materials) and geological (daughter-nuclide loss, inheritance) complexities contribute to the challenges of rock-clock calibration. Community-wide efforts to improve radioisotope geochronology have successfully mitigated many of these factors, and have brought high-precision geochronology to a threshold of unprecedented integration with stratigraphic and geochemical proxies of Earth systems dynamics.

引用

页码：25 / 30

页数：6

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