Rocks y minerals :D Flashcards

(18 cards)

1
Q

Cycle

A

A series of events that are regularly repeated in the same order.

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2
Q

Deposit

A

An accumulation or layer of solid material, either consolidated or unconsolidated, left or laid down by a natural process.

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3
Q

Erosion

A

The gradual destruction or diminution of something.

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4
Q

Extrusive

A

Relating to or denoting rock that has been extruded at the earth’s surface as lava or other volcanic deposits.

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5
Q

Fossil

A

Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.

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6
Q

Igneous rock

A

Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.

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7
Q

Intrusive

A

Intrusive rock is formed when magma penetrates existing rock, crystallizes, and solidifies underground to form intrusions, such as batholiths, dikes, sills, laccoliths, and volcanic necks.

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8
Q

Lava

A

Lava is molten rock generated by geothermal energy and expelled through fractures in planetary crust or in an eruption , usually at temperature from 700 to 1200 celcius .

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9
Q

Magma

A

Magma is extremely hot liquid and semi-liquid rock located under Earth’s surface. … This magma can push through holes or cracks in the crust, causing a volcanic eruption.

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10
Q

Metamorphic

A

metamorphic. [ mĕt′ə-môr′fĭk ] Zoology Relating to metamorphosis. Geology Relating to rocks that have undergone metamorphism.

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11
Q

Metamorphic rock

A

Metamorphic rocks are formed from other rocks that are changed because of heat or pressure.

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12
Q

Pressure

A

Pressure, in the physical sciences, the perpendicular force per unit area, or the stress at a point within a confined fluid

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13
Q

rock

A

A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter.

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14
Q

rock cycle

A

The rock cycle is a concept used to explain how the three basic rock types are related and how Earth processes, over geologic time, change a rock from one type into another.

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15
Q

Sediment

A

matter that settles to the bottom of a liquid; dregs.

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16
Q

Sedimentary rock

A

Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes, and oceans), ice (glaciers), and wind.

17
Q

Texture

A

The texture of a rock is the size, shape, and arrangement of the grains (for sedimentary rocks) or crystals (for igneous and metamorphic rocks).

18
Q

Weathering

A

The process of wearing or being worn by long exposure to the atmosphere