Minerals
75% mineral composition that starts with po....
Potassium feldspar
intrusive (list two of them)
could have been
Granite, Diorite, Pegmatite, Gabbro, Diabase, Peridotite, Dunite
list two of the 3 Fine to coarse crystals
any of theses
Rock salt, Rock gypsum, Dolostone
list one of the Fine to coarse rocks.....
Quartzite or Marble
two black minerals.
Amphibole and, Biotite
usually appears black
Obsidian
composition of shale (list 3)
any listed below
quartz, feldspar, and clay minerals; may contain fragments of other rocks and minerals
composition of slate
mica
green mineral that reaches 0%
Olivine
melt an IGNEOUS ROCK and get
magma
rocks with a grain size of Microscopic to very coarse.... (list both)
Limestone and Bituminous coal
TYPE OF METAMORPHISM FOR ANTHRACITE COAL
Regional
begins as white but changes
Plagioclase feldspar
two extrusive completely non vesicular rocks are....(list both)
Obsidian and Basaltic glass
texture of Limestone (name the two)
Crystalline or bioclastic (remember both but they do not go together, it will always be one or the other)
what is made of Calcite and/or dolomite
Marble
minerals available at 25%
Quartz, Plagioclase feldspa, Biotite, Pyroxene, Olivine
what rock is intrusive, non vesicular, and very course
Pegmatite
grain size of silt stone
Silt (0.0004 to 0.006 cm)
composition of Gneiss
GARNET, PYROXENE, FELDSPAR, AMPHIBOLE, MICA, QUARTZ