CE 70 Rock Quiz

Conglomerate:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Clastic

  • grain size varies

  • Bedding & Lamination

Chert:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Biochemical

  • Microcrystalline quartz

  • Bedding

Greywacke:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Clastic

  • Sand Sized Grains

  • Lamination & Bedding

Sandstone:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Clastic

  • Sand sized grains

  • Lamination

Limestone:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Bioclastic/Biochemical

  • Reacts with HCl

  • Can have shells

Siltstone:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Clastic

  • Silt sized grains

  • Bedding, lamination, fissility

Shale:

• Rock

• Type: Sedimentary

• 3 Characteristics:

  • Clastic

  • Clay sized grains

  • Fissility (Lamination)

Quartz:

• Mineral

• Type: Silicate

• 3 Characteristics:

  • Vitreous - Pearly Luster

  • No cleavage

  • Hardness 7

Orthoclase:

• Mineral

• Type: Silicate

• 3 Characteristics:

  • 2 Cleavage planes at 90

  • Vitreous - pearly luster

  • White streak

Albite (Na Plagioclase):

• Mineral

• Type: Silicate

• 3 Characteristics:

  • 2 Cleavage planes at 90

  • Vitreous - pearly luster

  • White streak

Biotite:

• Mineral

• Type: (Sheet) Silicate

• 3 Characteristics:

  • 1 perfect cleavage plane

  • Vitreous - shiny luster

  • Black color

Muscovite:

• Mineral

• Type: (Sheet) Silicate

• 3 Characteristics:

  • 1 perfect cleavage plane

  • Vitreous - shiny luster

  • Often yellow/colorless

Hornblende:

• Mineral

• Type: Silicate

• 3 Characteristics:

  • 2 cleavage planes at 60/120

  • Shiny luster

  • Black color

Pyroxene (Augite):

• Mineral

• Type: Silicate

• 3 Characteristics:

  • 2 cleavage planes at 90

  • Dull luster

  • Green/Black color

Olivine:

• Mineral

• Type: Silicate

• 3 Characteristics:

  • No cleavage

  • Dull - vitreous luster

  • Olive color

Galena:

• Mineral

• Type: Metal

• 3 Characteristics:

  • 3 cleavage planes at 90

  • Metallic luster

  • Dark gray streak

Chalcopyrite:

• Mineral

• Type: Metal

• 3 Characteristics:

  • No cleavage

  • Metallic luster

  • greenish black streak

Pyrrhotite:

• Mineral

• Type: Metal

• 3 Characteristics:

  • No cleavage

  • Metallic luster

  • Magnetic

Pyrite:

• Mineral

• Type: Metal

• 3 Characteristics:

  • No cleavage

  • Metallic luster

  • Gold color

Magnetite:

• Mineral

• Type: Metal

• 3 Characteristics:

  • No cleavage

  • Dull luster (metallic when fresh)

  • Magnetic

Hematite:

• Mineral

• Type: Metal

• 3 Characteristics:

  • No cleavage

  • Dull luster (metallic when fresh)

  • Red-brown

Halite:

• Mineral

• Type: Evaporite

• 3 Characteristics:

  • 3 cleavage planes at 90

  • Vitreous luster

  • Colorless

Calcite:

• Mineral

• Type: Evaporite/Biogenic

• 3 Characteristics:

  • 3 cleavage planes at 60/120

  • White streak

  • Reacts w/ HCl

Gypsum:

• Mineral

• Type: Evaporite

• 3 Characteristics:

  • 3 cleavage planes (1 good 2 poor)

  • Hardness 2

  • Pearly luster

Anhydrite:

• Mineral

• Type: Evaporite

• 3 Characteristics:

  • 3 cleavage planes at 90

  • Pearly luster

  • White/grey/redish

Serpentine:

• Mineral

• Type: Metamorphic

• 3 Characteristics:

  • No cleavage

  • Greasy/waxy luster

  • Light/dark bands of green

Epidote:

• Mineral

• Type: Metamorphic

• 3 Characteristics:

  • 1 cleavage plane

  • Dull - vitreous luster

  • yellow, green, red color

Talc:

• Mineral

• Type: Metamorphic

• 3 Characteristics:

  • 1 cleavage plane

  • Hardness 1

  • White streak

Graphite:

• Mineral

• Type: Metamorphic

• 3 Characteristics:

  • 1 cleavage plane

  • Greasy/dull luster

  • Black streak

Chlorite:

• Mineral

• Type: Metamorphic

• 3 Characteristics:

  • 1 cleavage plane

  • Dull - shiny luster

  • Light - dark green (almost can look black)

Granite:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Felsic

  • Phaneritic

  • Intrusive

Diorite:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Intermediate

  • Phaneritic

  • Intrusive

Gabbro:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Mafic

  • Phaneritic

  • Intrusive

Peridotite:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Ultra Mafic

  • Phaneritic

  • Intrusive

Pumice:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Felsic - intermediate

  • Vesicular

  • Extrusive

Rhyolite:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Felsic

  • Aphanitic

  • Extrusive

Obsidian:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Felsic

  • Glassy

  • Extrusive

Tuff:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Felsic - Intermediate

  • Pyroclastic

  • Extrusive

Andesite:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Intermediate

  • Aphanitic

  • Extrusive

Basalt:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Mafic

  • Aphanitic

  • Extrusive

Scoria:

• Rock

• Type: Igneous

• 3 Characteristics:

  • Intermediate - mafic

  • Vesicular

  • Extrusive

Gneiss:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Protolith: granite

  • medium - coarse grain

  • Foliation/mineral banding

Schist:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Grain size varies

  • Foliation (schistosity)

  • Protolith: Basalt/shale

Phyllite:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Low - medium metamorphic grade

  • Fine grain

  • Foliation, slight schistosity

Slate:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Protolith: Shale

  • Very fine grain

  • Foliation: Slaty cleavage

Quartzite:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Protolith: Quartz sandstone

  • Medium grain

  • Massive

Marble:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Protolith: Limestone

  • Reacts w/ HCl

  • Massive

Serpentinite:

• Rock

• Type: Metamorphic

• 3 Characteristics:

  • Protolith: Peridotite

  • Massive

  • Mineralogy: serpentine

Haiku (Bonus)

Granite cliffs weather,
karst caves hollow limestone bones,
basalt flows still cool.