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JN-01

Abstract

Moderately aligned hornblende prisms dominate this rock and give it its green color. Interspersed among the hornblende is a granular matrix of quartz and k-feldspar. Biotite and epidote appear periodically. The layering in this thin section is controlled by variation in grain size of the hornblende minerals.

Note

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

GY 202 Intro. to Petrology

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:19274