Igneous Rock
How are igneous rocks formed?
The cooling and crystalization of magma/lava
True or False? Limestone is a sedimentary rock
True
Metamorphic rocks form from?
Other types of rocks undergo EXTREME heat and pressure.
What is the process of forming a sedimentary rock?
D.C.C.
How are rocks classified?
How they are formed
If an igneous rock cools quickly it is most likely what type of igneous rock?
What does D.C.C. stand for
Deposition, Compaction, Cementation
True or False. Only igneous rocks can become metamorphic rocks.
False
How are metamorphic rocks formed?
Heat and pressure are applied to other types of rocks.
Which of the following is TRUE
A. All minerals are rocks
B. Rocks and minerals are the same
C. All Rocks are made of minerals
D. All of the above
C.
If an igneous rock has large crystals it is most likely what type of igneous rock?
Intrusive Igneous Rock
Is marble a sedimentary rock?
No
True or false. Gneiss is a metamorphic rock.
What kind of rock forms from material that settles on the ocean floor?
Sedimentary Rock
What is luster?
How light reflects on a surface/material.
Granite is what type of igneous rock?
Intrusive Igneous Rock
What 2 processes turn rocks into sediment
Weathering and erosion/transportation
True or false. Gneiss is a metamorphic rock.
True, it is the metamorphic version of granite.
If a sedimentary rock melts into magma and cools, what type of rock is it now?
Igneous Rock
What is the hardest mineral on the Mohs Scale?
Diamond
Students find an igneous rock with tiny crystals and large air pockets. Did they find an extrusive or intrusive igneous rock?
Extrusive Igneous Rock
Students find a rock with multiple black and white wavy/ribbon-like layers. Is it a sedimentary rock?
No, it is a metamorphic rock (wavy layers)
What does foliation mean?
Layers/layering
What force causes rocks beneath the Earth to rise?
Uplift
What is the difference between cleavage and fracture?
Cleavage means it breaks on a flat plain and fracture means it's "jagged"