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42 terms

Mrs. Cronin's Chapter 4 Review Rocks

Rocks
STUDY
PLAY
Name the 3 categories of rock
Igneous, Sedimentary, Metamorphic
Name 2 forces tha produce metamorphic rock
heat and pressure
Name the 2 subdivisions of metamorphic rock
foliated & nonfoliated
metamorphic rocks with grains arranged in parallel layers
foliated
metamorphic rocks with grains arranged randomly
nonfoliated
Name the metamorpic rock that forms from limestone
marble
Name the metamorphic rock that forms from shale
slate
Name the metamorphic rock that forms from granite
gneiss
Name the metamorphic rock that forms from sandstone
quartzite
Schist, slate, & gneiss are what type of metamorphic rock?
foliated
Marble & quartzite are what type of metamorphic rock?
Nonfoliated
Fire rocks that form from magma and lave
Igneous
A rock with large crystals surrounded by small crystals
porphory
Fire rocks that form from lava
extrusive igneous rocks
Fire rocks that form from magma
intrusive igneous rocks
Name the extrusive igneous rock that floats
pumice
Name the most common extrusive igneous rock
basalt
Name a fine-grained extrusive igneous rock that is shiny and looks like a piece of glass
obsidian
Name an intrusive igneous rock that contains the minerals feldspar, mica, quartz, and hornblende
granite
The size of crystals when lava cools quickly
fine-grained
The size of crystals when magma cools slowly
coarse-grained
Small, solid pieces of material that come from rocks or living things
sediment
Sediment is formed from what process?
erosion
When sediments settle out of water or wind
deposition
When sediments are pressed together in layers
compaction
When dissolved minerals glue sediments together
cementation
A series of processes on Earth's surface & in the crust and mantle that slowly change rocks from one kind to another
rock cycle
Name the 3 major groups of sedimentary rock
clastic, organic, and chemical
Tiny particles of clay form which type of sedimentary rock
shale
Small particles of sand form which type of sedimentary rock
sandstone
A clastic sedimentary rock that has rounded, different sized rock fragments
conglomerate
A clastic sedimentary rock that has sharp angular pieces of rock embedded in a matrix
breccia
The type of sedimentary rock that forms when rock fragments are squeezed together
clastic
The type of sedimentary rock that forms when minerals dissolved in solution crystallize
chemical
The type of sedimentary rock that forms when the remains of plants and animals are deposited in thick layers
organic
Shale. breccia, conglomerate, & sandstone are which type of sedimentary rock?
clastic sedimentary rock
Coal and limestone are which type of sedimentary rock?
organic sedimentary rock
Halite and limestone are which type of sedimentary rock?
chemical sedimentary rock
mixtures of minerals and other materials
rocks
Name 3 characteristics geologists use to classify rocks
texture, color and mineral composition
Particles of minerals and other rocks that make up a rock are called?
grains
the look and feel of a rock's surface
texture