If layers in a set of sedimentary beds change from conglomerate to sand, the energy of deposition:

What is the protolith of schist?

An igneous rock has easily visible (coarse) grains and intermediate composition. You would call this rock:

What is the most logical past environment to have produced a deposit consisting of layers of well-sorted sandstone with cross beds several meters high?

Igneous rocks form through:

Based on what you see, which of the metamorphic rocks formed as the result of plastic deformation?

Identify the factors which cause melting and thus the formation of magma. Select all that apply:

If a rock cooled at the Earth’s surface over the course of hours or days, it will most likely have a ________ texture.

An igneous rock has very small barely visible (fine) grains and mafic composition. You would call this rock:

An off shore reef is most likely to form which type of sedimentary rock?