Question

6. State whether the following are igneous, sedimentary or metamorphic rocks.
a. Quartzite b. Schist
c. Basalt d. Gypsum
e. Shale f. Granite
g. Marble h. Rock salt​

Answer 1

Answer:

a. Metamorphic rock

b. Metamorphic rock

c. Igneous rock

d. Sedimentary rock

e. Sedimentary rock

f. Igneous rock

g. Metamorphic rock

h. Sedimentary rocks

Explanation:

a.Quartzite is a metamorphic rock formed when quartz-rich sandstone or chert has been exposed to high temperatures and pressures.

b.Schist is a type of metamorphic rock in which lamellar minerals, such as muscovite, biotite, and chlorite, or prismatic minerals, such as hornblende and tremolite, are oriented parallel to a secondary platy

c.Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals

d.Gypsum is a sedimentary rock. However, it is a special kind of sedimentary rock called a chemical sedimentary rock.

e. Shale rocks are those that are made of clay-sized particles and are have a laminated appearance. They are a type of sedimentary rock. Shale is the abundant rock found on Earth.

f. Granite is an igneous rock that forms when magma cools relatively slowly underground

g. Marble is a metamorphic rock formed when limestone is exposed to high temperatures and pressures.

h. Rock salt is the name of a sedimentary rock that consists almost entirely of halite, a mineral composed of sodium chloride, NaCl.

Answer 2

Answer:

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Explanation:

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