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Rocks Review
Question | Answer |
---|---|
How are rocks classified? | origin; how they form |
What is the sequence in the formation of a sedimentary rock? | erosion, deposition, compaction, cementation |
Foliated and nonfoliated are examples of what type of rock? | metamorphic |
What has to happen in order for a metamorphic rock to become an igneous rock? | melting and cooling of molten material |
What are the raw materials or "ingredients" in a sedimentary rock? | sediments |
Moving through the rock cycle, what kinds of rocks can sedimentary rocks become? | igneous, metamorphic, and other sedimentary |
Marble, gneiss, and slate are all examples of what type of rock? | metamorphic |
Define sedimentary rock. | A rock formed from the erosion, depositions, compaction, and cementation of sediment |
What process in the formation of a sedimentary rock loosens and carries away sediment? | erosion |
What is the order in how a sedimentary rock forms? | erosion, deposition, compaction, cementation |
Where are metamorphic rocks created? | deep inside Earth's crust |
What type of rock would you most likely find at the bottom of a sea bed? | sedimentary rock |
What has to happen for an igneous rock to become a sedimentary rock? | erosion, deposition, compaction, cementation |
What type of sedimentary rock is coal? | organic |
How do geologist group clastic rocks? | by their grain size |
What are the 3 types of rocks? | igneous, sedimentary, metamorphic |
Conglomerate is a type of ___________ sedimentary rock? | clastic |
What causes a metamorphic rock to form? | heat and pressure |
Gneiss is a metamorphic rock formed from what igneous rock? | granite |
Slate is a type of __________ metamorphic rock. | foliated |
Why is gneiss considered a foliated metamorphic rock? | Because it has stripes and bands |
How and where do intrusive igneous rock form? | they form beneath the Earth's surface by the cooling of magma |
Granite, obsidian, and pumice are all examples of what type of rock? | igneous |
What process in the formation of a sedimentary rock does sediment settle out or drop? | deposition |
What are the raw materials (ingredients) needed to create an igneous rock? | lava or magma |
Conglomerate, shale, and limestone are all examples of what type of rock? | sedimentary |