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PS-1b-bs-ch

Abstract

The predominant mineral in this thin section is opaque red chert which is cross-cut by veins infilled with chlorite and serpentine. Towards the margins of the thin section is a metamorphosed basalt with a groundmass plagioclase mircolites and quartz, calcite, and chlorite in-filled vesicles and veins. According to collector David Sawyer, the interpillow red chert is an important indicator of deep sea origins.

Note

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

Lower volcanic zone basalt with interpillow red chert. From the landslide indicated on Fig. 3 as localities H and I from the article.

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:19423