Which of the following best describes seamounts and islands of the deep ocean basins?

Which of the following is made of microcrystalline quartz?

________ is characterized by the segregation of light- and dark-colored minerals into thin layers or bands.

The (geologically) recent volcanic activity in Yellowstone National Park is ________.

Which major component of detrital sedimentary rocks only rarely occurs as a primary mineral in igneous rocks?

What foliated, metamorphic rock is texturally intermediate between slate and schist?

Which of the following is made of microcrystalline quartz?

Which of the following best characterizes ferromagnesian silicates?

Changes in texture, composition, and other physical properties, after sediments are deposited, are collectively called ________.

Many limestones are of biochemical origin.