4039ARAR DATING OF TERRESTRIAL AND EXTERRESTRIAL MATERIALS - BASALTS FROM THE JAPAN SEA-FLOOR, DECCAN PLATEAU AND METEORITES FROM ANTARCTICA

被引：0

作者：

KANEOKA, I ^{[1
]}

TAKIGAMI, Y ^{[1
]}

机构：

[1] KANTO GAKUEN UNIV, OHTA, GUNMA 373, JAPAN

来源：

SCIENCE REPORTS OF THE RESEARCH INSTITUTES TOHOKU UNIVERSITY SERIES A-PHYSICS CHEMISTRY AND METALLURGY | 1994年 / 40卷 / 01期

关键词：

AR-40-AR-39; AGE; JAPAN SEA; DECCAN PLATEAU; METEORITE; ANTARCTICA;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Through a series of 40Ar-39Ar dating for terrestrial and exterrestrial samples, the results for basalts from the Japan Sea floor, Deccan Plateau and for meteorites from Antarctica give significant information concerning their formation histories. 40Ar-39Ar ages of basalts from the Japan Sea floor give a constraint that the Japan Sea floor was formed at least 20 Ma. 40Ar-39Ar ages for dyke samples from the Deccan Plateau indicate a possibility for the occurrence of a little younger ages than that of the main plateau formations by a few million years. Meteorites collected from Antarctica show some variable 40Ar-39Ar ages reflecting their different thermal histories.

引用

页码：191 / 195

页数：5