Enhanced 3He 4He ratios and cosmogenic helium in ultramafic xenoliths

Enhanced 3He 4He ratios and cosmogenic helium in ultramafic xenoliths

Recently erupted ultramafic xenoliths generally have ratios of 3He 4He = (5-10) × RA, which are similar to the values characterizing mid-ocean ridge basalts (MORB). During the course of additional investigations of ultramafic xenoliths, samples from several locations have been found with 3He 4He r...

Полное описание

Библиографические подробности
Главные авторы:	Porcelli, DR, Stone, J, O'Nions, R
Формат:	Journal article
Язык:	English
Опубликовано:	1987

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