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The Name Game Minerals Sedimentary Rocks Meta- Morphic Rocks Ultimate anything 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Igneous Rocks
An atomic bond in which electrons are shared.
What is a covalent bond?
The most common intrusive igneous rock; it contains feldspar, quartz, biotite & more.
What is Granite?
A native element whose chemical symbol is Au
What is gold?
An example of a silicate mineral
What is quartz, mica, feldspar, etc. (any of these will work)?
A carbonate mineral that is also an organic sedimentary rock; contains fossils
What is limestone?
A structural model of silicon dioxide.
O=Si=O
3 of the major characteristics of a mineral
What is: naturally occurring; inorganic; solid; having specific chemical composition and definite crystalline structure?
A descriptive term that refers to color of a mineral when it is broken up and powdered.
What is streak?
Compares unknown minerals hardness to known minerals on a scale.
What is Mohs scale?
A mineral that contains a useful substance that can be mined at a profit.
What is an ore?
General term for rocks that form as magma cools below the surface of the Earth.
What are intrusive igneous rocks?
A term used to describe the tendency of some minerals in magma to crystallize before others.
What is fractional crystallization?
A mafic igneous rock tends to be dark in color because it is rich in these elements.
What are iron and magnesium?
An example of a very common felsic igneous rock (high in silica)
What is granite or muscovite mica?
According to Bowens Reaction Series, Muscovite mica is formed at relatively _____ temperatures.
What are low temperatures?
When the glue holding a rock together dissolves, this type of weathering occurs.
What is chemical weathering?
When pieces of rock break off of bigger rocks, this phenomenon results
What is physical weathering?
The two steps in lithification.
What are compaction and cementation?
A horizontal layering often exhibited by sedimentary rocks
What is bedding?
A type of sedimentary rock formed from the deposit of loose sediments.
What is clastic?
When molten rocks come into contact with solid rock, this local effect occurs.
What is contact metamorphism?
Gneiss is an example of a _____ metamorphic rock.
What is foliated?
_____ metamorphic rocks are made of minerals that form with blocky crystal shapes, so they do not exhibit banding.
What are non- foliated metamorphic rocks?
When high temperature and pressure combine to completely melt a rock, ______ forms.
What is magma?
Metamorphosed limestone produces this rock.
What is marble?
The three major types of rock in the rock cycle.
What are igneous, sedimentary, and metamorphic?
The type of rock formed from cementation and compaction after weathering and erosion.
What is sedimentary rock?
A valuable mineral praised for its rarity and beauty
What is a gem?
Laws that regulate the sale and trade of diamonds.
What are the Kimberly Laws?
One or more minerals.
What is a rock?
Diamonds Make your wager
It is commonly believed that diamonds form from coal. Is this true? To what extent? It is commonly believed that diamonds form from coal. Is this true? To what extent?
Most diamonds do not form from coal, but rather form from existing carbon in the mantle. They are then forced upwards in kimberlites (an ore which is much younger than the diamonds it contains). A small number of diamonds may form from coal introduced to the mantle via subduction, or from the collision of asteroids with coal, but this represents a small minority of diamonds.