Rocks Review

Pumice

Pumice

Igneous, Extrusive

Obsidian

Igneous, Extrusive

Basalt

Igneous, Extrusive

Granite

Igneous, Intrusive

Sandstone

Sedimentary, Clastic

Conglomerate

Sedimentary, Clastic

Shale

Sedimentary, Clastic

Limestone

Sedimentary, Non-clastic (organic)

Rock Salt

Sedimentary, Non-clastic (chemical)

Slate

Metamorphic, Foliated

Schist

Metamorphic, Foliated

Gneiss

Metamorphic, Foliated

Marble

Metamorphic, Non-foliated

Quartzite

Metamorphic, Non-foliated

Meta Conglomerate

Metamorphic, Non-foliated

Rhyolite

Igneous, Extrusive

Coal

Sedimentary, Bio-clastic

Extrusive

made from lava

Intrusive

made from magma

clastic

made from weathered material

bio-clastic

made from dead things

crystalline sedimentary rock

rocks deposited from seawater by chemical precipitation (settling) of minerals

Vesicular

Rocks that contain gas pockets

Foliated

rock in which the mineral grains are arranged in planes or bands