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Trace elements in anorthosites.

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McGill University
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Keywords
  • Geological Sciences.

Abstract

The origin of anorthosite has been for a long time a subject of controversy in geological literature. While most geologists agree that anorthosites are igneous rocks produced from a basic magma by some process of magmatic differentiation, others maintain that they are of metamorphic origin. One possible approach to the origin of anorthosites leads through the study of their trace elements. It is well known that some trace elements are typically concentrated in minerals formed in early stage differentiation, while others are preferentially incorporated in the late differentiates.

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