rocks, weathering and erosion

25問 • 1年前

問題一覧

Fundamental components of rocks. They are naturally occurring (not man made or machine generated), inorganic (not a by product of living things)

Minerals

Light is reflected from the surface of a mineral

Luster

Measure of the resistance of a mineral to scratch

Hardness

minerals displays a variety of colors resulting from impurities

Color

Mineral's color in powdered form

Streak

Natural shape of the mineral before the development of any cleavage or fracture

Crystal form/habit

Property of some minerals to break along specific planes of weakness to form, smooth, flat

Cleavage

Minerals that do not exhibit cleavage are said to fracture when broken

Fracture

ratio of the density of mineral and density of water

Specific gravity

Combined aggregation of different kinds of minerals

Rocks

formed from the cooling and solidification of molten rock material called magma

Igneous rocks

magma solidifies within Earth's surface

Intrusive

erupted onto the surface or into the atmosphere

Extrusive

formed from the accumulation and compaction of sediments over time

Sedimentary rocks

composed of clasts or fragments of pre existing rocks and sediments

Clastic

Formed by chemical precipitation that begins when water traveling through rock

Chemical

Formed from the accumulation of organic debris like plants and animals

Organic

Form from heat and pressure changing the original form of rock

Metamorphic rocks

Have bands and visible layers created through direct pressure and heat

Foliated rocks

Do not have layers and do not have bands

Non-Foliated Rocks

Wearing down or breaking of rocks, while they're in place

Weathering

caused by the movement of plants and animals

Biological Weathering

Interaction rocks with mineral solutions to change the composition of rocks

Chemical Weathering

Physical processes affect the rock, such as changes in temperature or when the rock is exposed to the effects of wind, rain, and waves

Physical Weathering

rocks are worn away and transported over time by natural forces such as wind, water

Erosion

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問題一覧

Fundamental components of rocks. They are naturally occurring (not man made or machine generated), inorganic (not a by product of living things)

Minerals

Light is reflected from the surface of a mineral

Luster

Measure of the resistance of a mineral to scratch

Hardness

minerals displays a variety of colors resulting from impurities

Color

Mineral's color in powdered form

Streak

Natural shape of the mineral before the development of any cleavage or fracture

Crystal form/habit

Property of some minerals to break along specific planes of weakness to form, smooth, flat

Cleavage

Minerals that do not exhibit cleavage are said to fracture when broken

Fracture

ratio of the density of mineral and density of water

Specific gravity

Combined aggregation of different kinds of minerals

Rocks

formed from the cooling and solidification of molten rock material called magma

Igneous rocks

magma solidifies within Earth's surface

Intrusive

erupted onto the surface or into the atmosphere

Extrusive

formed from the accumulation and compaction of sediments over time

Sedimentary rocks

composed of clasts or fragments of pre existing rocks and sediments

Clastic

Formed by chemical precipitation that begins when water traveling through rock

Chemical

Formed from the accumulation of organic debris like plants and animals

Organic

Form from heat and pressure changing the original form of rock

Metamorphic rocks

Have bands and visible layers created through direct pressure and heat

Foliated rocks

Do not have layers and do not have bands

Non-Foliated Rocks

Wearing down or breaking of rocks, while they're in place

Weathering

caused by the movement of plants and animals

Biological Weathering

Interaction rocks with mineral solutions to change the composition of rocks

Chemical Weathering

Physical processes affect the rock, such as changes in temperature or when the rock is exposed to the effects of wind, rain, and waves

Physical Weathering

rocks are worn away and transported over time by natural forces such as wind, water

Erosion