Igneous Rock Formation
Sedimentary Rock Formation
Igneous Rock Characteristics
Sedimentary Rock Characteristics
Random
100
As molten rock cools and becomes solid, the minerals ___ and ___.
Crystallize and Grow
100
Sedimentary Rock is composed of minerals formed from solutions or ___ from older rock.
Sediments
100
____-grained texture is characteristic of volcanic igneous rocks.
Fine
100
If sedimentary rock is composed of particles of previously existing rock then, a rock composed of ____ particles of sand where the texture can be seen and felt would be a sedimentary rock.
Cemented.
100
What is a Rock?
A naturally incurring solid mixture of one or more minerals that may also include organic matter (more or less).
200
Igneous rock forms from ____ and _____.
Cooling Lava and Magma
200
Sedimentary rock forms when...
The weight from above soil/rock presses down on the layers of minerals or sediment, smashing together the dirt to form a rock or when minerals dissolved in water solidify between sediment pieces and cement them together.
200
______ composition is the second characteristic important in classifying igneous rocks.
Mineral.
200
Sedimentary Rock can exhibit the prescence of _____ ______.
Fossil Organisms
200
What are the classes of rocks?
Igneous, Sedimentary, and Metamorphic Rock (in any order).
300
To form granite magma has cool slowly and ___ crystals need to form.
Large
300
Sedimentary Rock are named according to the ___ and ___ of the fragment.
Size and Type
300
Minerals present in a rock tell us the approximate _ at which the rock finally cooled.
Temperature
300
Sedimentary rock can exhibit ___ __ __ __.
Reaction to Dilute Acids.
300
Enchanted Rock in Texas is a large dome made of Granite, an _________ igneous Rock.
Intrusive.
400
Rock that forms when lava cools on Earth's surface is called...
Extrusive Igneous Rock
400
Rock made primarily of _____ is called ______.
Calcite and Limestone
400
In igneous rocks, the texture is determined by various factors, including the __ rate and __ rate.
Cooling and Diffusion
400
Typically deposited in ____ (strata) under cool surface conditions.
Layers.
400
What is the rock cycle?
The series of processes in which rock changes from one type to another.
500
The longer that it takes for magma to cool...
The more time crystals have to grow.
500
Sandstone is made of ____.
Sand...
500
Owing to the difference in temperature, the rate of cooling is __ at the surface of the Earth as compared to the same beneath the surface.
Faster
500
Sedimentary rocks are formed by the ___ _ ______.
Accumulation of Sediments.
500
A ____ ____ is a area where a set of deep cracks forms.
Rift Zone.
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