Rocks - Misc.
Name the term that describes a rock with many minerals.
What is polymineralic?
Name the type of rock formed from heat and/or pressure.
What are metamorphic rocks?
An intrusive, coarse-grained, medium colored rock
What is Diorite?
The difference between conglomerate and breccia.
What is fragment shape (not size!)
or
What is that conglomerate has round sediments and Breccia has angled sediments
Name a Non-Foliated Metamorphic rock that has a coarse texture and can be formed by regional or contact metamorphism.
What is Metaconglomerate?
In what type of environment are most sedimentary rocks formed?
What is watery? (Aquatic)
What is the crystal(grain) size range for a very coarse igneous rock?
What is 10mm or larger?
Fill in the blanks
Igneous rock is formed from the_________ and _____________of magma.
What is the melting and solidification of magma?
A rock that is made from the decomposition of plants in a swamp environment.
What is bituminous coal?
Name the rock formed from the metamorphism of dolostone or limestone.
What is marble?
What is another word for the layering of sediments found in sedimentary rocks?
What is strata?
Name the 4 processes sediments must go through to form a sedimentary rock.
What are deposition, compaction, burial, or cementation?
What term is used for an igneous rock rich in silicon and aluminum?
What is felsic?
Name the sedimentary rock that can form bioclastically or chemically.
What is Limestone?
Name the term that describes the alignment of crystals in metamorphic rocks.
What is foliation?
Name the term used to describe the process of clasts being held together by minerals.
What is cementation?
An igneous rock that is light in color has a ________density
What is a low density?
What term describes the air pockets found in extrusive igneous rocks? Name an igneous rock that has air pockets.
What is vesicular?
pumice, scoria, vesicular rhyolite, vesicular andesite or vesicular basalt are vesicular
Name another term for rock fragments or sediments that make up sedimentary rocks?
What are clasts?
Name the only metamorphic rock with banding.
What is gneiss?
Name two places where igneous rocks form.
What are Volcanoes & Ocean Rifts/Ridges? (seafloor)
Nam a common mineral found in sandstone, quartzite, and granite.
What is quartz?
Give me the name of a fine-grained igneous rock containing 20% olivine.
What is Basalt?
A rock that has sediments with a diameter that falls in the size range of 0.0004 - 0.006 is ____________.
What is siltstone?
Name all of the minerals found in gneiss.
What are mica, quartz, feldspar, amphibole, garnet and pyroxene?