Show:
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Other
Other
100
Which of the following magma types contain roughly 60% silica? A- andesitic B- granitic C- rhyolitic D- basaltic
A- andesitic
100
Which of these is a chemical sedimentary rock? A- sandstone B- conglomerate C- limestone D- coal
C- limestone
100
What's another name for a metamorphic rock?
A "changed form" rock
100
Each major group of rocks follow only one pathway in the rock cycle. True or False
False
100
What is a rock that exhibit sa fine-grained texture?
Rhyolite
200
Which of the following is not a factor affecting magma formation? A- pressure B- temperature C- volume D- water content
C- volume
200
A sedimentary rock made of compacted and cemented particels is a ..... A- foliated rock B- organic rock C- clastic rock D- chemical rock
C- clastic rock
200
What are two apperances to look for in a metamorphic rock?
Glitter and foliation
200
Sediment layers. deposited by the wind or water in leaning position, rather than horiziontal, on sand dunes or in rivers, is called.........
Ripple Marks
200
Fractional crytallization:
removes elements from magma
300
Feldspar is the most abundant compound in magma. True or False
False
300
Which of the following is not a feature found in sedimentary rocks? A- stratification B- glassy texture C- ripple marks D- fossils
B- glassy texture
300
What are three examples of a foliated metamorphic rock?
Slate, Schist and Gneiss
300
Pieces of solid material that have been deposited on earths surface is called......
Sediments
300
Different minerals melt and crystallize at different temperature. True or False
True
400
Extrusive rocks, which cool more rapidly than intrusive rocks, are generally more: A- coarsely grained B- finely grained C- radioactive D- magnetic
B- finely grained
400
Which of the following is not a form of cement found in sedimentray rocks? A- sulfate B- calcite C- iron oxide D- silica
A- sulfate
400
What is a example of a non-foliated metamorphic rock?
Marble
400
What best describes an igneous rock with a coarse-grained texture?
Extrusive and slow cooling
400
What are some mineral resources
Gold, silver, copper, mercury, lead, etc
500
Which term describes magma that flows out onto the earth's surface? A- layered intrustion B- lava C- crystallization D- ultramafic
B- lava
500
Which clastic sedimentary rock contains large angular fragments? A- breccia B- sandstome C- conglomerate D- shale
A- breccia
500
What are two broad groups?
Biliding materials and industrial minerals
500
What is an igneous rock that exhibtis a glaasy texture?
Obsidian
500
What is a parent rock?
A metamorphic rock before it is changed