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Harinas serpentiníticas

English translation: Serpentinite rock flour

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13:23 Sep 27, 2011

Spanish to English translations [PRO]
Tech/Engineering - Geology

Spanish term or phrase: Harinas serpentiníticas

This is a geologic description of the minerals and rocks in a mining zone. This is the paragraph in Spanish:

Las serpentinitas masivas están compuestas por harzburgita y dunita completamente transformada (protolito), que forman bloques con las texturas en mantos preservadas rodeados por serpentinitas cizalladas o harinas serpentiníticas.

Milagros Chavez

English translation:Serpentinite rock flour

Explanation:
We normally say "rock flour" meaning the mechanically ground up bit of the surrounding rocks.

e.g. Transactions and Proceedings of the Royal Society of New Zealand ...rsnz.natlib.govt.nz/volume/rsnz_72/rsnz_72_03_002030.htmlCached
They are more indurated than any further north, a feature that may be caused by the presence of serpentine rock flour. Thumbnail: [Volume 72, 1942-43 page ...

HTH :o)