ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] We have measured rubidium-strontium ages on biotites obtained from various types of rocks : 'intrusive' granite and diorite, gneiss and migmatites, granitic and pegmatitic veins. The procedures for the determination of rubidium-87 and strontium-87 were similar to those described by Aldrich et ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1911286b0
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