General Rock Quizzzz

Rocks that form underground from cooled magma

• Igneous

• Chemical

• Sedimentary

• Metamorphic

Group of minerals bound together in some way.

• Rocks

• Minerals

• Texture

• Porphyry

Rocks of two distinctly different crystal sizes.

• Clastic

• Fossils

• Porphyry

• Rock

Sedimentary rocks formed from fragments of other rocks.

• Clastic

• Chemical

• Organic

• Coal

Remains, impressions or other evidence of plants & animals

• Organic

• Coal

• Fossils

• Porphyry

Coal is an example of this type of sedimentary rock.

• Organic

• Clastic

• Chemical

• Fossil

Rocks that form from magma or lava.

• Sedimentary

• Metamorphic

• Igneous

• Clastic

Depends on size, shape, and arrangement of mineral crystals.

• Rock

• Porphyry

• Texture

• Felsic

Light colored, high silica rock

• Felsic

• Mafic

• Texture

• Organic

Extrusive, igneous rock

• Volcanic

• Clastic

• Plutonic

• Foliated