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________ lava, commonly erupted along oceanic ridge systems, originates by partial melting of mantle peridotite.

The main difference between conglomerate and breccia is ________.

Mud cracks in a shale or mudstone indicate that the mud or clay was deposited in deep waters of an offshore marine environment.

Which sedimentary structure indicates the depositional environment involved the drying out of fine grained sediments?

S waves can travel through solid and liquid media.

Nonmetallic minerals resources are commonly divided into two categories: building materials and ________.

________ sandstone contains abundant feldspar, suggesting that the sand was derived by weathering and erosion of granitic bedrock.

A(n) ________ represents a former meltwater channel or tunnel in glacial ice that was filled with sand and gravel.

Slate and schist are both derived by metamorphism of shales and mudstones.

Calcite is the main mineral constituent of the sedimentary rock limestone and of the metamorphic rock marble.