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Muscovite, biotite, and chlorite are common minerals found in phyllites and schists.

Continental crust is generally thicker than oceanic crust.

________ occur at about the time of the first quarter and third quarter phases of the Moon.

Which one of the following statements is NOT true?

Basaltic lavas are generally hotter and more viscous than andesite lavas.

________ is thought to form by partial melting and in situ crystallization of the melted portion.

Longshore sand transport and longshore currents depend on waves impinging ________ to a shoreline.

________ is thought to form by partial melting and in situ crystallization of the melted portion.

The mantle is composed mainly of metallic iron with small amounts of magnesium silicate minerals.

Repeated eruptions of relatively fluid lava from fissures can eventually cause an area to be covered by flood basalts.