Rock types
Rock formations
Earths History
Rock Cycle
Vocabulary
100
Gneiss, marble, shist, slate, and coal.
What is Metamorphic rocks?
100
The age of the Grand Canyon.
What is the 10 million years?
100
Age of the Earth.
What is 4.5 billion years?
100
A seris of processes on how rocks form and change, it goes on forever and has happened since earth has formed
What is the Rock cycle ?
100
Forms in nature , soild , has a cystal structure
What is a mineral ?
200
Limestone, Sandstone, and Shale.
What is Sedimentary rocks?
200
Landforms shaped like steps or cliffs. Formed when mountains or plateaus are made of both soft and weak rocks.
What is Differential Erosion ?
200
The longest era lasting about 3.9 billion years.
What is the Precambrain era?
200
Changes by heat and pressure
What is the transformation into a ingneous rock ?
200
Formed by all minerals , atoms joined in a repeating 3D pattern and is base of all minerals
What is a cystal ?
300
Granite, Basalt,Obsidian, and pumice
What is Igneous rocks?
300
A large nearly level area of land that has been ulifted above the surrounding area.
What is a plateau ?
300
Contains Cretaceous, Jurassic and Triassic periods.
What is the Mesozoic era?
300
Goes through weathing and eroison then compaction and cemetation.
What is the change from a ingneous rock to a sedimatry rock ?
300
A type of atom , contains one atom . Gold , copper and diamonds are all elements
What is Element
400
When acid is poured on this rock it fizzes because it contains Calcium Carbonate.
What is Limestome ?
400
A rock layer that is made up of more than one kind of rock.
What is a formation?
400
The amount of years the
What is 570 million years ago ?
400
Changes by heat and pressure
What is the transfromation to a metamorphic rock ?
400
Tendecy of a minreal to break into irreagular pieces
What is a fracture ?
500
A rock formed from lava usually from quiet eruptions. Fine grained, composed of feldspar, pryoxene and olivine Usually contains small holes.
What is Basalt ?
500
Brachiopods, corals, crinoids found in a rock layer.
What is evidence of a marine enviroment?
500
Modern humans apear and dinasours become extinct .
What is Cenzoic Era ?
500
What type of rock can change into igneous ?
What is ingneous , metamorepic , and sedimatary rock ?
500
A scale that describes hardness .
What is the mohs hardness scale ?
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