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