Basalt

• igneous
• aphanitic 
• mafic
• dark color, low viscosity, high temp

shale

• detrital sedimentary rocks
• Well sorted, fined grained 
• made of clay and quartz

Diorite

• igneous rock
• intermediate
• high viscosity/ intrusive
• plag, fe, mg

Micrite

• sedimentary
• fine grained
• well sorted
• calcite
• chemical and bioclastic
• bathyal zone

Fossil Limestone

• sedimentary
• coarse grained 
• poorly sorted
• calcite
• reef
• bioclastic

Obsidian

• igneous rock
• glassy texture
• silica glass
• felsic-mafic
• high viscosity extrusive

Porphoritic Rhyolite

• igneous
• aphanitic
• felsic
• quartz, K> plagioclase
• high viscosity, extrusive

Coal

• sedimentary
• fine grained well sorted
• plants carbon
• swamps/wet lands
• bioclastic

Gabbro

• igneous
• plag, feldspar, fe, mg
• mafic
• low viscosity intrusive

Pumice

• igneous
• vesicular
• felsic-intermediate
• high viscosity extrusive

Oolitc Limestone

• sedimentary rock
• coarse
• well or poorly sorted
• calcite
• marine below wave base
• chemical and bioclastic

Granite

• igneous
• phaneritic
• felsic
• High viscosity intrusive

porphyritic Andesite

• igneous
• plag, fe/mg, litte K-feldspar
• intermediate
• high viscosity extrusive

Pegmatic Granite

• igneous
• pegmatic
• quartz, K feldspar > plagioclase
• felsic
• high/intrusive

Sandstone

• sedimentary
• well sorted or poorly sorted
• quartz
• river, beach, dessert
• detrital

Scoria

• Igneous
• Basalt, Fe, Mg
• mafic
• low viscosity extrusive

Conglomerate

• Sedimentary
• Coarse/Rounded
• poorly sorted
• rock fragments, quartz, clay minerals
• river, glacial, alluvial fan
• detrital

Slate

• Metamorphic
• clay quartz
• protolith- shale/mudstone

Quartzite

• metamorphic
• non-foliated
• quartz
• protolith sandstone

Biotite Schist

• metamorphic
• biote mica, clay, quartz, chlorite, garnet
• prolith Shale mudstone

Marble

• metamorphic
• non foliated
• calcite, dolomite
• protolith limestone

Gneiss

• metamorphic
• foliated
• light bands quartz and feld spar. Dark bands hornblende, garnett, biotite
• protolith shale mudstone igneous rock

Muscovite Schist

• metamorphic
• foliated
• muscovite mica, clay, quartz
• protolith shale mudstone

Breccia

• sedimentary
• coarse angular
• poorly sorted
• rock pieces, clay minerals, quartz
• located on faults
• detrital

Chert

• Sedimentary
• Fine Grained
• well sorted
• quartz 
• marine enviorment
• chemcial

Coarse grained- gritty can see grains

fine grained- smooth cant see individual grains

poorly sorted- different sized grains

well sorted- same size grains

foliated- layers of color

non foliated- no layers of color