Igneous
If an igneous rock has a darker color to it, besides obsidian, would it be considered mafic or felsic?
mafic
When heat and pressure is applied to slate, what rock is born?
Phylite
What is another word for clastic?
fragmental
Is dolostone clastic or crystalline?
crystalline
Definition of mineral?
a solid inorganic substance of natural occurence
What are 2 examples of minerals that may be in an igneous rock's composition?
potassium feldspar, quarts, plagioclase feldspar, biotite, pyroxene, olivine, or amphibole
Is the birth place of most metamorphic rocks above or below ground?
Below ground
What is composed in rock salt?
Halite
What are the 3 types of commonly known rocks?
Igneous, metamorphic, and sedimentary
Definition of coarse?
when composed of large particles or chunks of different rock combined with each other
Can igneous rocks be vesicular?
yes
What are the two types textures referring metamorphic rocks?
Foliated and non-foliated.
What is the grain size of limestone?
microscopic to very coarse
True of False: Schist is a non-foliated rock.
false
Definition of composition?
What something is made of/how it was created
What are 2 examples of intrusive rocks?
granite and pigmatite
What processes are required to create a metamorphic rock?
Heat and/or pressure.
What are 2 examples of clastic sedimentary rocks?
shale, siltstone, breccia, sandstone, or conglomerate
Is the rock pegmatite mafic or felsic?
felsic
Definition of crystalline?
a rock that has crystals throughout
What are 3 examples of extrusive rocks?
obsidian, rhyolite, and pumice
What are the two types of metamorphism?
Contact and regional.
What are the 3 kinds of texts these rocks have?
bioclastic, crystalline, and clastic
What metamorphic rock has bands that you can observe by looking at the rock?
gneiss
Definition of vesicular?
holes in a rock due to old trapped air pockets