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A graywacke is ________.

Consider Bowen’s reaction series. Which mineral would you expect to see as a phenocryst in a porphyritic basalt?

Which type of sediment undergoes the most compaction as it lithifies to sedimentary rocks?

Which type of sediment undergoes the most compaction as it lithifies to sedimentary rocks?

The uppermost 50 meters of a glacier is referred to as the ________.

________, a common mineral found in igneous rocks, is the most abundant mineral in detrital sedimentary rocks.

The uppermost 50 meters of a glacier is referred to as the ________.

Detrital sedimentary rocks have clastic textures.

Which type of limestone consists mainly of tiny, marine fossils composed of calcite?

Clay and muddy sediments lithify to form shales and mudstones.