Vocab
The term for an igneous rock that has gas pockets
Vesicular
Sandstone
The Mohs Scale goes from ___ to ___.
1 to 10
Definition of the word "clastic"
A sed rock made of fragments of other rocks
Igneous rocks are made of ______ or ______ after it cools
lava or magma
Scale that measure the hardness of a mineral
Mohs Scale
Name a fine-grained igneous rock that is light in color and non-vesicular
Rhyolite
True or False: Streak describes the color of the mineral under a blacklight.
False.
Define Extrusive igneous rock
A rock made from lava that cools outside of Earth
Metamorphic rocks form with extreme ________ & ________
heat & pressure
A term that describes a small piece of a bigger rock. There are 3 correct answers.
sediment, particle, fragment
The metamorphic rock made out of bituminous coal
Anthracite coal
Name uses of Olivine
furnace bricks and jewelry
If a conglomerate rock was put under extreme heat and pressure, it would become _______
metaconglomerate
Term that means rocks are brought to the surface
Uplift
Foliated
Sedimentary rock that bubbles with acid
Dolostone/Limestone
Word that describes whether or not a mineral reflects light or not
Luster
What does "felsic" mean
Ig rock high in Si and Al
deposition, burial, compaction, cementation
Term for when magma comes up through rock layers but does not exit the crust
Intrusion
A mineral displaying cleavage, colorless, used in paint and roofing
Muscovite Mica
Effervescence
Describe the relationship between crystal size and cooling time for igneous rocks
The longer the cooling time, the larger the crystals
Use the Rock cycle chart to go from metamorphic rock to sedimentary rock.
Answer will vary