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ERD1A

Abstract

This coarse-grained dacite has a granitic texture of hypidiomorphic inequigranular plagioclase, hornblende, and augite. Secondary zeolites and calcite are found randomly throughout. This thin section is both too thick and plucking is disruptive of many hornblende grains.

Note

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

Eagle Rock Dike

Administrative Notes

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

Copyright
Copyright restrictions apply.
Publisher
None
PID
coccc:19453