EVIDENCE OF A NEW ISOTOPIC ANOMALY FROM TITANIUM ISOTOPIC-RATIOS IN METEORIC MATERIALS

被引:51
作者
HEYDEGGER, HR
FOSTER, JJ
COMPSTON, W
机构
[1] PURDUE UNIV, DEPT CHEM, HAMMOND, IN 46323 USA
[2] UNIV CHICAGO, ENRICO FERMI INST, CHICAGO, IL 60637 USA
关键词
D O I
10.1038/278704a0
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
Titanium isotopic ratios in some terrestrial and meteoritic materials have been measured. Most have the same ratios within the experimental precisions. Some inclusion materials from the Allende meteorite have a statistically significant enhancement of the order of 1‰ in the 50/49 ratio, probably due to a nucleogenic anomaly in 50Ti abundance. © 1979 Nature Publishing Group.
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页码:704 / 707
页数:4
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