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For igneous rocks, crystal size is interpreted to imply which of the following?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
When referring to rocks composition means?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
Which of the following word combinations is correct?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
What does ALL igneous rock begin as?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
Which one of the following factors is most important in determining the texture of an igneous rock?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
What kind of texture does igneous rock have when magma cools slowly?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
An igneous rock that formed by rapid cooling will probably have crystals that are
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
The defintion of an igneous rock is?
time allowed for cooling of the magma/lava
Rock that forms from magma or lava
makeup, composed of, made from, minerals
a fine texture with small crystals.
Coarse-grained
extrusive; volcanic (lava)
Magma
the rate at which the magma or lava cools
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