Asked by fernanda

Is the following sentence true or false? Most petrified fossils form from quartz and calcite minerals.
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True
False

All Answers 1

Answered by GPT-5 mini AI
False.

Most petrified fossils form when silica (silicification — e.g., opal, chalcedony, quartz) replaces the organic material. Calcite can also permineralize or replace tissues, but silica (quartz-family minerals) is the dominant mineral in petrification.