A member of a group of sedimentary rocks that consist primarily of microscopic silica crystals. ----- may be either organic or inorganic, but the most common forms are inorganic.
A detrital sedimentary rock composed of clay-sized particles (<0.002 mm).
Clastic rocks composed of particles that range in diameter from 1/16 millimeter to 2 millimeters in diameter. ------- make up about 25% of all sedimentary rocks.
A sedimentary rock composed of detrital sediment particles less than 0.004 millimeter in diameter. ----- tends to be red, brown, black, or gray, and usually originates in relatively still waters.
A coarse-grained, foliated metamorphic rock marked by bands of light-colored minerals such as quartz and feldspar that alternate with bands of dark-colored minerals. This alternation develops through metamorphic differentiation.
A hard, dark-colored, dense metamorphic rock that forms from the intrusion of magma into shale or basalt.
A coarse-grained, nonfoliated metamorphic rock derived from limestone or dolostone.
A high-grade metamorphic rocks that contains granitic layers or regions that in most cases formed by partial melting of the rock.
A foliated metamorphic rock that develops from slate and is marked by a silky sheen and medium grain size.
An extremely durable, nonfoliated metamorphic rock derived from pure sandstone and consisting primarily of quartz.
A coarse-grained, strongly foliated metamorphic rock that develops from phyllite and splits easily into flat, parallel slabs.
A fine-grained, foliated metamorphic rock that develops from shale and tends to break into thin, flat sheets.
Chemical limestone is precipitated from____.
Silica is precipitated from------.
What are the two important evaporites that form the subset of precipitation.
What are the important replacement minerals in diagenesis? What do they form? Answer Example: Answers for part 1 Answers for Part 2