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Natural variations in the nitrogen isotope abundance ratio in igneous rocks

Authors
Journal
Geochimica et Cosmochimica Acta
0016-7037
Publisher
Elsevier
Publication Date
Volume
12
Issue
3
Identifiers
DOI: 10.1016/0016-7037(57)90030-3

Abstract

Abstract A brief preliminary survey of the amount and isotopic composition of the nitrogen found in a range of igneous rocks shows that there is a substantial variation (about a factor of 25) in the yield of nitrogen per gram of rock; and that the isotopic composition of the nitrogen varies regularly with the yield within the range of a few per cent.

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