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30 Cards in this Set
- Front
- Back
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Which of the following is consistent with the theory of plate tectonics |
As the plate sinks into the asthenosphere it drags the trailing |
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Which of the following mechanism is the largest contributor to plate tectonics |
slab pull |
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Which of the following statements is true about contents and ocean basin that is consistent with the Theory of Plate Tectonics |
Plate material is formed at divergent plate boundaries and consumed at convergent plate boundaries |
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A typical rate of plate motion is |
1-15 centimeters per year |
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Which is am important difference between transform plate boundary and convergent and divergent plate boundary? |
Transform plate boundaries do not produce volcanic activity |
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Which of the following is an example of a transform plate boundary |
The san Andreas fault |
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What terms describe igneous rocks that from when molten rocks solidifies at the surface of the Earth |
Extrusive |
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New seafloor is created at a |
mid- ocean ridge |
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the descent of oceanic lithosphere into the mantle is the process of |
Subduction |
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Which of the following minerals would you find in abundance in a granitic (felsic) igneous rock |
quartz, potassium feldspar |
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which of the following is an extrusive igneous rock |
pumice (gas) |
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A fins grained texture is usually formed |
by relatively rapid cooling |
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Basalts and gabbro have the same BLANK by different BLANK |
Compositions and textures |
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How does water affect the melting temperature of rocks to form magma |
Water causes rocks to melt at lower temp |
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In an element, atomic number is defined as the BLANK whereas atomic mass is the BLANK |
Number of protons/ sum if protons and neutrons |
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Atomic bonding, which involves two atomic atoms "sharing" one or more electrons is known as |
Covalent bonding |
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Which of the following minerals has the highest hardness value on the Mohs's scales |
Quartz |
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Based on the Bowen Reaction Series, which of the following minerals would be the first to crystalize |
Olivine |
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Which if the following features (associated with intrusion of magma) is tabular and cuts across bedding planes |
Dyke |
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Which of the following is a common igneous rock found on the ocean floor? |
Basalt |
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Which one of the following describes a minerals response to mechanical impact |
cleavage |
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Which of the following best defines a mineral and a rock |
A consists of atoms bonded in a regular, geometrically predictable arraignment/ a mineral is consolidated aggregate of different rock particles |
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All silicate minerals contain which two elements |
Silicon / oxygen |
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Which of the following minerals isa carbonate? |
Calcite |
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A mineral formed entirely fro silicon and oxygen is |
Gypsum |
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Clays are |
Nonferromagnesian sheet silicates formed by chemical weathering |
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BLANK are usually the most abundant gases emitted during basaltic volcanism |
Water and carbon dioxide |
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Which is an example of a mineral with nonmetallic luster |
Hornblende |
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Calcite has how many directions of cleavage |
3 |
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Is calcite a double fraction |
Yes |
