Different Types of Rocks

Cementation

________: Dissolved substances precipitate out and act as glue.

Obsidian

________: forms from the very rapid cooling of molten rock material.

igneous intrusions

It formed around ________ where temperatures are high but the pressures are relatively slow.

exposure

It is produced by ________ to heat and directed pressure.

Gabbro

________: It contains feldspar, pyroxene, and sometimes olivine.

Granite

________: it contains mainly quartz, feldspar, and mica minerals.

Magma

________ cools down and solidifies above the Earths surface.

National Geographic

According to ________, rock is a Natural substance composed of solid crystals of different minerals that have been fused together into a solid lump.

Basalt

________: it is composed mainly of plagioclase and pyroxene.

Lithification

________: it is a complex process whereby freshly deposited loose grains of sediment are converted into rock.

Compaction

________: Reduces pore space due to the weight of sediments above.

Andesite

________: It is composed mainly of plagioclase with other minerals such as hornblende, pyroxene, and biotite.

Diorite

________: It is a mixture of feldspar, pyroxene, hornblende, and sometimes quartz.

Brittanica Encylopedia

According to ________, it is naturally occurring and a coherent aggregate of one or more minerals.

Recrystallization

________: Form new crystalline mineral grains from the old ones.

Diagenesis

________: the cycle repeats.

Metamorphism

________: change from one rock formation to another.

crystallization of chemical

It is formed by the ________ precipitates.

Magma

________ cools down and solidifies inside the earths surface.

Diorite

It is a mixture of feldspar, pyroxene, hornblende, and sometimes quartz

Gabbro

It contains feldspar, pyroxene, and sometimes olivine

Granite

it contains mainly quartz, feldspar, and mica minerals

Andesite

It is composed mainly of plagioclase with other minerals such as hornblende, pyroxene, and biotite

Basalt

it is composed mainly of plagioclase and pyroxene

Obsidian

forms from the very rapid cooling of molten rock material

Lithification

it is a complex process whereby freshly deposited loose grains of sediment are converted into rock

Compaction

Reduces pore space due to the weight of sediments above

Cementation

Dissolved substances precipitate out and act as glue

Recrystallization

Form new crystalline mineral grains from the old ones

Diagenesis

the cycle repeats

CLASTIC ROCKS

formed when individual sediment made by fragments of rocks, minerals, or shells are cemented together

CRYSTALLINE ROCKS

Chemical sedimentary rocks

BIOCLASTIC ROCKS

organic sedimentary rocks

Metamorphism

change from one rock formation to another

FOLIATED METAMORPHIC ROCKS

Have layered or branded appearance

NON-FOLIATED METAMORPHIC ROCKS

Doesnt have a layered or branded appearance