TEMPERATURE CALIBRATION OF AMINO-ACID RACEMIZATION - AGE IMPLICATIONS FOR THE YUHA SKELETON

被引：12

作者：

BISCHOFF, JL ^{[1
]}

CHILDERS, WM ^{[1
]}

机构：

[1] IMPERIAL VALLEY COLL MUSEUM, EL CENTRO, CA 92243 USA

来源：

EARTH AND PLANETARY SCIENCE LETTERS | 1979年 / 45卷 / 01期

关键词：

D O I：

10.1016/0012-821X(79)90118-3

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：

D/L of aspartic acid ranged from 0.52 to 0.56 for femur samples of the Yuha skeleton. Subsurface temperature measurements made at the burial site indicate average annual temperature is 18°C and diagenetic temperature is 21.6°C. These data and a relation derived for the dependence of the aspartic acid rate constant on diagenetic temperature indicate an age of 23,600. The result is consistent with 14C and 230Th dating of calcrete found coating the bones. © 1979.

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页码：172 / 180

页数：9

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