Rock and Roll | More Rock and Roll | All that Glitters | Black as Coal | Crystal Clear |
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How is igneous rock formed?
Hardened lava.
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Which type of rock is made from layers of sediment that are compacted and cemented together?
Sedimentary rock
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What is the chemical formula for gold?
Au
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What is Peat?
A mass of recently accumulated to partially carbonized plant debris.
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What is Halite?
Forms isometric crystals and is known as "rock salt"
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How is metamorphic rock formed?
Existing rock changed by heat and/or pressure
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What is physical weathering?
Physical actions, such as wind, or water freezing and cracking a rock
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What is the mineral Pyrite is also known as?
Fool's Gold
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What is the most mature coal and thus has the highest carbon content of any type of coal
Anthracite Coal
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What are some of the more common crystal forms in minerals?
Cubic, Monoclinic, Triclinic, Hexagonal
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How is igneous rock transformed into metamorphic rock?
The application of heat and pressure
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What are the three main types of weathering?
Physical, chemical and biological.
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What is the hardest naturally occurring substance found on Earth?
Diamonds
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What is Bituminous Coal?
This type of coal has a high heating (Btu) value and is the most common type of coal used in electricity generation in the United States.
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What is a Cubic crystal form?
Contains three axes of equal length positioned at right-angle to each other. Found in gold and diamonds.
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What happens when metamorphic rock melts and then cools?
It becomes magma and then becomes igneous rock
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What is biological weathering?
When living organisms break rocks
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What is luster?
The way light interacts with a mineral's surface
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What is Lignite Coal?
Often referred to as brown coal, this type of coal is a soft brown combustible sedimentary rock formed from naturally compressed peat.
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What is Bowen's Reaction Series?
The order of crystallization of minerals in a chamber of magma.
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What is compaction?
Layers of sediment become pressed together over time
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What is the State Rock of North Carolina?
Granite
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What is the chemical formula for Amethyst?
SiO₂
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What is the carbon content of Anthracite Coal?
93% - 98% carbon content
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What is Biotite, Pyroxene, Amphibole, and Olivine?
Two minerals that are associated with the discontinuous branch of Bowen's reaction series.
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