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BB31

Abstract

This sample has a granitic texture and contains roughly equal amounts of both feldspar phases. The k-feldspars are more sericitized than the plagioclase grains, many of which are concentrically zoned. The hornblende grains are anhedral and a times, form almost granular aggregates of equant grains. Hornblende is altering to chlorite, which also interfingers with the relatively subhedral biotite phase. Apatite and epidote are present in trace amounts.

Note

The author has given permission for this work to be deposited in the Digital Archive of Colorado College.

Administrative Notes

The author has given permission for this work to be deposited in the Digital Archive of Colorado College.

Copyright
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Publisher
None
PID
coccc:19377