The data table below gives characteristics of the gemstone peridot. Peridot is a form of the mineral...

A beach consists of particles with diameters ranging between 0.01 cm to 0.1 cm. Identify the sedimentary rock that will form when burial and cementation of these sediments occur.

Which map symbol is used to represent rock that formed as a result of the evaporation of seawater?

Which rock will weather at the fastest rate when exposed to acid rain?

Which table correctly matches rock textures with a sedimentary rock that exhibits each texture?

What are the rock name and map symbol used to represent the sedimentary rock that has a grain size of 0.006 to 0.2 centimeters?

Describe the texture shown by this metamorphic rock that indicates it could be schist.

Which rock is most likely phyllite?

At which location would the metamorphic rock quartzite most likely found?

The rock shown below has a foliated texture and contains the minerals amphibole, quartz, and feldspar arranged in coarse-grained bands. Which rock is shown?

Which rock is foliated, shows mineral alignment but not banding, and contains medium-sized grains of quartz and pyroxene?

State the name of the igneous rock in which crystals of biotite mica are larger than 10 millimeters in diameter.

Identify ONE dark-colored, mafic igneous rock with a vesicular texture that can be found on the surface.

What is the texture of an igneous rock formed from magma that cooled slowly deep underground?

The photograph below shows an igneous rock with mineral crystals ranging in size from 2 to 6 millimeters. The rock is composed of 58% plagioclase feldspar, 26% amphibole, and 16% biotite. What is the name of this rock?

Obsidian’s glassy texture indicates that it formed...