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52

Abstract

Microscopically mainly cryptocrystalline and merely translucent in shades of gray-brown. Subordinate silty quartz grains, feldspar pieces, sericite flakes, calcite rhombs, and a few particles of pyrite, zircon, magnetite and leucoxene. The dark matrix is composed mainly of illitic clay material.

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
Copyright restrictions apply.
Publisher
None
PID
coccc:19282