Rock Cycle Flashcards
How do igneous rocks form?
The solidification of magma
main characteristics of an igneous rock
Crystal size and texture
Where are intrusive igneous rocks (plutonic) formed and cooled?
Under the earth’s surface
At this level, intrusive igneous rocks take longer to cool because of?
greater temperature
The crystals and texture of intrusive igneous rock are?
Large & coarse
Igneous rocks formed on it close to the surface of the earth are called?
Extrusive
The crystal structure of extrusive igneous rock samples are?
Small or possibly non-existent
Burial or compaction and cementing of earth materials form?
Sedimentary rocks
Sedimentary rock composed of cemented rounded grains that are of the same size
sandstone
Sedimentary rock composed of cemented rounded grains that are of different sizes
conglomerate
Sedimentary rock composed of cemented rounded grains that are in compacted layers
shale
Chemical sedimentary rocks form from… of dissolved materials
The evaporation and precipitation
The predication of a mineral forms rocks called…
evaporates
Biological sedimentary rocks are formed as a result of… from millions of years ago
biological activity
Metamorphic rocks have undergone…
a high amount of pressure and temperature deep within the Earth
