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SC-7

Abstract

The groundmass of this microporphyritic basalt consists of glass and plagioclase microlites. Subhedral plagioclase phenocrysts are roughly aligned and some are concentrically zoned. Subhedral, plucked, clinopyroxene phenocrysts of variable size are less abundant than those of plagioclase.

Note

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

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
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PID
coccc:19537