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

During _______ minerals become unstable and change composition and structure.

In the diagram, which rocks cooled from lava over days or weeks at the Earth’s surface? Look closely at the textures and choose all that apply.

What is the most logical past environment to have produced a deposit consisting of very little sand and mud, but instead lots of broken-up carbonate shells of marine organisms?

If an igneous rock has phaneritic (coarse-grained) texture, it must be an ______ rock.

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

If a melt has just begun to crystallize, _______ was the first mineral to grow.

Western opera first emerged:

This Venetian, who was not only a skilled violinist but also an ordained priest (“The Red Priest”), was the most influential composer in the creation of the Baroque concerto.

In the context of a fugue, the exposition is an introductory, improvisatory-like passage that gives the performer a chance to warm up and sets the stage for the more substantive section that follows.