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Abstract

Highly sericitized subhedral feldspars comprise the bulk of this thin section. Anhedral quartz fills in interstices between feldspar grains. Chlorite pseudomorphism of hornblende is prevalent and biotite alteration, chloritization, and embayment indicates of it too, was out of equilibrium with the melt. Euhedral titanite is found throughout.

Note

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

GY 201 Mineralogy

GY 202 Intro. To Petrology

Used to get good BXA and BXO interference figures

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:19329