Igneous
is granite felsic or mafic
felsic
What is the grain size of Gneiss?
medium to coarse
What kind of texture does conglomerate have?
clastic
what two minerals bubble with acid
calcite and dolomite
The minerals plagioclase feldspar, biotie, amphibole, and pyroxene make up what 2 rocks?
diorite, andesite
Is marble foliated or non-foliated?
non-foliated
rock formed of compacted plants
bituminous coal
what is the hardness of pyrite
6.5
what is a "mafic" rock rich in
iron and magnesium
What is the mineral that is in slate, phyllite, schist, and gneiss?
mica
What do sandstone and siltstone have in common?
Their composition
what does the symbol Si mean
silicon
igneous rocks are formed by the solidification of what
magma
What rock is non-foliated and coarse only?
Metaconglomerate
What rock is composed of the mineral calcite under the "chemically and/or organically formed sedimentary rocks" chart?
Limestone
what is graphite usually used for
pencil lead, lubricants
is pumice an extrusive or intrusive rock?
extrusive(volcanic)
the type of metamorphism for rock hornfels
contact(heat)
the texture of slate
foliated/mineral alignment
what is the streak of of hematite
red-brown