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- Bituminous Coal
- -black
- -low density
- -made of plants remains
- -environment
- -swamp
-
- Breccia
- - Composed of angular fragments >2mm
- Environments
- – Short transport inriver
- – Landslide
- – Cave collapse
-
- Chalk
- • Composed of finegrained calcite
- • Mainly coccoliths
- • Environment
- – Continental shelf
-
Chert
- • Fine grained
- • Very hard (silica)
- • Conchoidal fracture
- • Enviroment
- – Hot springs
- – Deep marineradiolarians
-
- Conglomerate
- • Composed ofRounded pebbles>2mm
- • Environments
- – Rivers
- – Some beaches
-
- Coquina
- • Composed of fossilfragments
- • Environment
- – High energy
- – Near beach
-
- Diatomite
- • Composed ofdiatoms (silica)
- • Low density
- • Porous
- • Environment
- – Continental shelf
-
- Fossiliferous limestone
- • Composed of fossils
- • Calcite matrix
- • Environment
- – Warm shallowtropical ocean
- – Shallow shelf
-
Micrite
- • Microcrystallinecalcite
- • Fine grained
- • conchoidal fracture
- • Environment
- – Quiet water
- – Warm tropical
-
- Oolitic Limestone
- • Composed of small(1/16-2mm) spheresof calcite
- • Environment
- – Shallow warmtropical waters
- – tidalchannels
-
Quartz Sandstone
- • Composed ofparticles between1/16-2mm
- -Mostly quartz
- Environments-
- -beaches and dunes
-
Mudstone
- • Fine grained <1/16mm
- • Environments
- – Flood plains
- – Mud flats
- – Deep marine
- – Lakes
-
Travertine
- • Banded rock
- • Madeup of calcite
- • Environments
- – Caves
- – Hot springs
-
- Scoria
- Texture: vesicular
- -Volcanic
- -mafic
-
- GRANITE
- Texture: visable crystal phanetic
- -platonic
- -felsic
-
- GABBRO
- Texture: visable crystals phanertic
- -plutonic
- -mafic
-
- DIORITE
- Texture: visable crystal Phanertic
- -plutonic
- -intermediate
-
- PUMICE
- Texture: vesicular
- -volcanic
- -felsic
-
- Obsedian
- Texture-glassy
- -Volcanic
- -Felsic
-
- Rhyolite
- Texture-microcrystal, Aphanite
- -volcanic-Felsic
-
- BASALT
- Texture: microcrystal Aphanitic
- -volcanic
-
- ANDESITE
- -volcanic
- -Intermediate
-
Anthracite coal
- Black, shiny, lowdensity
- • Parent rock– Bituminous coal
-
- Gneiss
- Banded, hard, lightand dark minerals
- • Parent rock– Slate– Phyllite– Schist– Granite
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