Sedimentary, Igneous, Metamorphic Rocks Flashcards
Sedimentary Categories
Detrital, Biochemical, Mineral Crystals
Detrital (sedimentary)
Breccia
Conglomerate
Quartz Sandstone
Arkose
Greywacke
Breccia
huge angular gravel
(detrital sedimentary)
Conglomerate
large subround gravel
(detrital sedimentary)
Quartz Sandstone
fine grain, sandy rough, light tan/white
(detrital sedimentary)
Greywacke
dark grey fine grain
(detrital sedimentary)
Biochemical
(sedimentary)
Chalk
Fossiliferous Limestone
Coquina
Carbon Shale
Bituminous Coal
Chalk
soft, powdery, white
(biochem sediment)
Fossiliferous Limestone
visible fossils, tan/grey
(biochem sediment)
Coquina
Sandsized shell fragments stuck together
(biochem sediment)
Carbon Shale
leaf fossils in dark grey/black flat, precursor to slate
(biochem sediment)
Bituminous Coal
shiny black rough edges
(biochem sediment)
Mineral Crystals
(sedimentary)
Travertine
Dolostone
Rock Gypsum
Chert
Travertine
orange, red, white, maroon, porous with white crystal growth inside
(mineral sediment)
Dolostone
95% white, black shiny specks, rusty veins
(mineral sedment)
Rock Gypsum
white, rounded, finger scratch
(mineral sediment)
Chert
scratches glass, light grey, angled sharp edges that are curved
Igneous Rock Categories
Vesicular
Aphanitic
Phenocryst in Aphanitic
Phaneritic
Pegmatic
Glassy
Vesicular
(Igneous)
Scoria
Vesicular Basalt
Pumice
Scoria
dark red
(vesicular igneous)
Vesicular Basalt
dark grey
(vesicular igneous)
Pumice
light grey/white
(vesicular igneous)
Aphanitic
(Igneous)
Rhyolite
Andesite
Basalt
Rhyolite
light salmon earthy luster
(aphanitic igneous)
