AGE DETERMINATIONS ON FELDSPAR FROM LOWER OMO BASIN

被引：9

作者：

FITCH, FJ

MILLER, JA

机构：

来源：

NATURE | 1969年 / 222卷 / 5199期

关键词：

D O I：

10.1038/2221143a0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Total degassing 40Ar/39Ar age determinations have been made on a concentrate of fresh feldspar from lapilli in a pumice-lapilli-tuff of the Nkalabong Fm., Lower Omo Basin, Ethiopia. © 1969 Nature Publishing Group.

引用

页码：1143 / &

共 4 条

[1] GEOCHRONOLOGICAL SIGNIFICANCE OF ARGON-40/ARGON-39 AGE DETERMINATIONS ON WHITE WHIN FROM NORTHERN PENNINE OREFIELD [J].

DUNHAM, KC ;

FITCH, FJ ;

INESON, PR ;

MILLER, JA ;

MITCHELL, JG .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1968, 307 (1490) :251-&

[2]

FITCH FJ, 1969, DATA OROGENIC STUDIE, V1

[3] ARGON-40/ARGON-39 METHOD FOR POTASSIUM-ARGON AGE DETERMINATION [J].

MITCHELL, JG .

GEOCHIMICA ET COSMOCHIMICA ACTA, 1968, 32 (07) :781-&

[4]

SPENCER A, 1969, DATA OROGENIC STU ED, V1

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