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Rocks and Minerals
Terms in this set (25)
the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
A naturally occurring solid mixture of one or more minerals or organic matter
sequence of events in which rocks are formed, destroyed, altered, and reformed by geological processes (a process where one rock type changes into another).
Inorganic crystalline substances found naturally in the earth.
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
A type of rock that forms from the cooling of molten rock at or below the surface.
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions
Igneous rock that forms when magma hardens beneath Earth's surface.
Igneous rock that forms from lava on Earth's surface
characteristics used to describe a substance
Mohs Hardness Scale
a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals
the way a mineral reflects light from its surface
The color of the powder left when a mineral is rubbed against a hard rough surface
The process by which natural forces break down rocks and minerals.
The process by which wind, water, ice, or gravity transports soil and sediment from one location to another
Solid materials such as rock fragments, plant and animal remains, or minerals that are carried by water, wind, ice, gravity, or some other natural force and settle in a new location (bottom of a body of water or at the foot of hills and mountains)
process in which sediment is laid down in new locations
Molten rock beneath the planet's surface.
Molten rock that reaches a planet's surface through a volcano or other opening in the crust
physical property of some minerals that causes them to break along smooth, flat surfaces
The bending, tilting, and breaking of the Earth's crust caused mainly by movement of the tectonic plates.
Forces that wear away or break down land masses on the earth's surface (weathering and erosion)
Forces that shape Earth's surface by building mountains and landmasses
the process by which sediments are pressed together under their own weight
The process by which dissolved minerals crystalize and glue particles of sediment together into one mass.
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