Mrs. Cronin's Chapter 4 Review Rocks
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debjcronin on November 10, 2011
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Rocks
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42 terms
Terms | Definitions |
|---|---|
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 |
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