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A unglazed porcelain plate is used to test for?
Cleavage
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A subatomic particle that contributes mass and a single positive electrical charge best defines?
Proton
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The type of bonding between Na (soduim) and Cl (chlorine) in halite (salt) is?
Ionic
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Is topaz generally considered to be 7 on the Mohs' hardness scale.
False
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The mineral on the Mohs' hardness scale which will react with hydrochloric acid (HCL)?
Calcite
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The two most common elements in the Earth's crust are oxygen and?
Silicon
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Atoms with either a positive or negative charge are called?
Ions
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Atoms containing different numbers of neutrons but the same number of protons are called?
Isotopes
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What is the most common mineral found in the Earth's crust?
Feldspar
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The ability of a mineral to break along preferred planes is called?
Streak
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In the field, geologists that can generally separate a plutonic rock from a volocanic rock by the?
Texture
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A sill normally cuts across the existing country rock?
False
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A dark colored volcanic rock containing abundant vesicles (cavities)would best describe?
Scorcia
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Lava that is characterized by a ropy or billowy surface is called?
Pahoehoe
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Most of the world's largest volcanoes (e.g., Mauna Loa) are?
Shield Volcanoes
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The ocean floor mostly consists of what common igneous rock?
Rhyolite
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A change in mamga composition due to melting of surrounding country rock?
Assimilation
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A pyroclastic flow consists of a mixture of gas and pyroclastic material that is so dense that it hugs the ground as it flows rapidly into low areas?
True
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Which plutonic igneous rock is larger?
Batholith
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Which is not a plutonic igneous rock?
Diorite
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Which sedimentary rock would react with hydrochloric acid (HCI)?
Limestone
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In graded bedding, the individual particle sizes?
Decreases downward
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Compaction and cementation are associated with?
Lithification
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A sandstone containing more than 25% feldspar could be referred to as an?
Arkose
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What two characteristics are mostly used to classify sedimentary rocks?
Texture and composition
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A hard, fine-grained clastic sedimentary rock formed almost entirely of silica best defines a?
Chert
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A course-grained clastic sedimentary rock composed of angular fragments would be?
Breccia
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A muddy sedimentary rock enviroment exposed to the air allowing the sediment to dry out will mostly likely produce?
Mudcracks
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A sedimentary rock chiefly consisting of shell fragments is called a?
Coquina
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What sedimenatary rock is formed from the consolidation of plant material?
Coal
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How old is the earth?
5.5 billion years old.
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What is the denisty of the earth?
4.5
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What is directly below the lithosphere?
Azinesphere
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What is the top of the lithosphere?
The mantle
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What's in Silica?
Oxygen and Silicate
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What are the three types of sedimentary rocks?
Igneous, sedimentary and metimorphic.
-
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What is 6 on the Moh's hardness scale?
Feldspar
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What is 7 on the Mohs Hardness Scale?
Quartz
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What type of rocks are Granite and Diorite?
Volcanic rock
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What type of rocks are Basalt and Ryolite?
Igneous rock
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What has a smooth body of lava?
Pahoehoe
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What has a jaged body of lava?
Pahaha
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What's the difference between a block and a bomb?
Shape
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What is the world's smallest volcanoe called?
Cinder cone
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Where do you get mudcracks?
In evaporated places (e.g, deserts).
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What type of rock is coal?
Sedimentary rock
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What is Content metamorphism?
Causes heat "extreme heat".
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What type of rock is Arkose?
Setimentary rock
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What type of rock is Slate?
Foliated rock?
-
Moh's hardness scale?
Talc, Gympsm, Calcite, Flourize, Apetite, Feldspar, Quartz, Topaz, Corundum and Diamond.
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