File:EGS Ardnamurchan Fig 09.jpg

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Summary

description	English: Compositions of c1inopyroxenes from rocks of Centre 3. Oinopyroxenes from the eucrites are less iron-rich than clinopyroxenes from the gabbros, and clinopyroxenes from the dolerite show substantial iron enrichment. The trend is similar to the Skaergaard trend although with less calcium depletion. The samples from the tonalite and quartz· monzonite do not continue this iron enrichment trend, and are interpreted as hybrid rocks formed from the partial melting of pre existing rocks by the basic magma. Samples from the small gabbro intrusion of Meall an Tarmachain have been omitted as their results are ambiguous. Figure 9 From: Gribble, C.D., Durrance, E.M. and Walsh, J.N. 1976 [1996 reprint] Ardnamurchan: a guide to geological excursions. Edinburgh : Edinburgh Geological Society
source	Edinburgh Geological Society
author	Edinburgh Geological Society

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