The Rock Cycle
False
Crystals, no layers, light colored, hard, fine grained
Rhyolite
No crystals, no layers, light colored, soft, white
Marble
No crystals, has layers, sand grains
Sandstone
This rock type has layers
Sedimentary
A rock that undergoes weathering and erosion turns into _______________________
Sediment
Has Crystals, no layers, dark colored, black, coarse grained.
Gabbro
No crystals, layers, very fine grained, thin flat layers.
Slate
No crystals, no layers, no holes, not glass, can scrape sand, contains pebbles
Conglomerate
This rock type has crystals
Igneous
Metamorphic Rocks
No crystals, no layers, no holes, black, glassy
Obsidian
Schist
No crystals, has layers, fine grained, thin wavy layers.
Shale
This rock type has bands (foliation)
This rock is formed from cooling lava/magma.
Igneous Rock
No crystals, no layers, holes, light colored, glassy
Pumice
No crystals, has layers, cannot scrape off sand grains, sugary
Quartzite
No crystals, no layers, no holes, not glass, cannot scrape off sand, soft, white
Limestone
This rock type is classified further by grain type
Sedimentary
The steps/processes that sediment undergoes in to turn into a sedimentary rock
Compaction and cementation
Has crystals, no layers, dark colored, coarse grained, salt and pepper appearance.
Diorite
No crystals, no layers, no holes, not glass, cannot scrape sand off, hard, various colors.
Quartzite
No crystals, no layers, no holes, not glass, can scrape sand off, no pebbles
Sandstone
This very specific type of rock is formed from magma cooling.
INTRUSIVE igneous rock