What shows the interrelationships among the three rock types?
Rock cycle
100
True or False?
Andesitic Rocks contain mafic and felsic materials
True
Andesitic rocks are intermediate containing both mafic an felsic materials.
100
What rocks are important to our economics?
Name at least 2
Coal
Petroleum and natural gas
Sources of iron and aluminum
100
When magma intrudes forces its way into- rock what kind of rock is formed?
Contact Metamorphism
100
Marble is an example of what type of rock?
Nonfoliated metamorphic rock
200
What is any solid mass of mineral or mineral-like matter that occurs naturally as part of our planet?
Rock
200
What increases the water content as it increases?
Pressure
200
What rock is made of weathered bits of rocks and minerals?
Clastic sedimentary rocks
200
What are the agents of metamorphism?
Heat, pressure, and hydrothermal solutions.
200
In time, sediment deposits of silts and clays compact together to form
Shale
300
After weathered and eroded what rock does it become?
Sedimentary rock
300
What is an igneous that mostly contains dark silicate minerals and calcium-rich plagioclase feldspar?
Basaltic rocks
300
What is the process that squeezes, or compacts, sediments?
Compaction
300
What rock does not have a banded appearance?
Nonfoliated Metamorphic Rocks
300
Rocks that form from cooling magma deep within Earth are classified as?
Sedmimentary rock
400
What are the three major types of rocks?
Igneous rocks, sedimentary rocks, and metamorphic rocks.
400
What is the process that different minerals form at different temperatures?
Fractional Crystallization
400
What may indicate that the rock formed along a beach or stream bed?
Ripple marks
400
As you know (most likely) Regional metamorphism what are results in large-scale deformation and high-grade metamorphism, but what do these usually form?
Mountain building
400
The process of minerals filling the spaces between sediments to bind them together is called?
Cementation
500
How are igneous rocks made?
Cooling of the magma
500
When do most rocks start to melt?
Between 800 degrees Celsius and 1200 degrees Celsius
500
How much percent of limestones are formed from biochemical sediments?
90%
500
Gneiss, Slate, Marble, Schist is all foliated metamorphic rocks
False
500
Which of the following is not a form of cement found in sedimentary rock?
Sulfate, calcite, iron oxide, or silica.
Which one is it?