By: CSULB-Geology
License: Copyright, All Rights Reserved

Uploaded: 12 Mar 2021
Last Updated: 13 Mar 2021

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Slightly extended laminated Chert and shale from the Miocene Monterey Formation. Note how the chert (black= quartz, white=opal-CT) extended with opening-mode fractures and the ductile shale flowed in between. Boudinage!