Which mineral can be found in the rocks phyllite, sandstone, and granite?

Which two minerals are commercial sources of iron?

Which rock is composed of the mineral halite that formed when seawater evaporated?

Which element, found in both biotite mica and muscovite mica, makes up the greatest percent by volume of Earth's crust?

Which mineral is commonly used as an abrasive?

Which rock was organically formed and sometimes contains fossilized plant impressions?

Olivine and pyroxene are commonly found in igneous rocks that are

Granite bedrock formed when

The igneous rock is mostly composed of potassium feldspar and quartz crystals that have an average grain size of 3 millimeters. The igneous rock is most likely

Which intrusive igneous rock could be composed of approximately 60% pyroxene, 25% plagioclase feldspar, 10% olivine, and 5% amphibole?

Which three minerals are most commonly found in the igneous rock granite?

Which common rock is formed from the solidification of molten material?

Which process is necessary for the formation of igneous rocks?

A fine-grained igneous rock composed mostly of plagioclase feldspar and hornblende and containing no quartz or pyroxene would be classified as

Which characteristic provides the best evidence that obsidian rock formed in an extrusive environment?

Which relative concentration of elements is found in a mafic rock?

Quartz and halite have different crystal shapes primarily because

Scratching a mineral against a glass plate is a method used for determining the mineral's

Which mineral property is illustrated by the peeling of muscovite mica into thin, flat sheets?

Which two processes formed this rock?

The best evidence for determining the cooling rate of an igneous rock during its solidification is provided by

Which rock is of felsic composition, low in density, light in color, and coarse grained?

Which land-derived sedimentary rock could have formed by the compaction and cementation of particles smaller than 0.0004 centimeter in diameter?

Limestone, gypsum, and salt are rocks formed by the processes of

Which type of sedimentary rock contains the greatest range of particle sizes?

A fossil is not likely to be found in

Metamorphic rocks result from the

In which set are the rock drawings labeled with their correct rock types?

The sedimentary rock limestone will change into the metamorphic rock...

Which sedimentary rock has a fine-grained texture?

This is the only type of rock that can contains fossils.

The diagram below indicates physical changes that accompany the conversion of shale to gneiss. Which geologic process is occurring to cause this conversion?

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?

Which processes lead directly to the formation of igneous rock?

Particles of sediment collected from a lake bottom averaged 1.2 centimeters in diameter. If left on the lake bottom to become buried by more sediment and compressed into rock, these particles would form

Which home-building material is made mostly from the mineral gypsum?

Which two rocks are composed primarily of quartz, feldspar, and clay minerals?

The luster of this mineral could be determined by

The photograph below shows a broken piece of the mineral calcite. The calcite breaks in smooth, flat surfaces because calcite

The diagram below represents a sample of mineral A. Mineral A is most likely

Which two properties are most useful in distinguishing between galena and halite?

Most of the sediment that is compacted and later forms shale bedrock is

What type of rock is shown in the picture above?

The crystal shape and type of cleavage of these two minerals are determined mainly by the minerals’

Which rock is classified as an evaporite?

If a metamorphic rock bubbles when a drop of acid is placed on its surface, the rock is most likely

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?

The photograph 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?