Chert Can Form by Biogenic Processes (For Example, as Deposits

question 20

Multiple Choice

Chert can form by biogenic processes (for example, as deposits from silica-rich solutions moving through rock) or by the process of

• A) evaporation of seawater.
• B) direct precipitation from seawater.
• C) compaction and cementation.
• D) Native Americans making arrowheads.

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