Rock Cycle formed by three kind of rocks. There are Igneous Rock by melting, Metamorphic Rock by Heat and pressure, and Sedimentary Rock by weathering!
Igneous rock that cooled quickly (such as on the surface) formed smaller crystals whereas those that cooled slower (such as under the surface) have larger crystals.
Over time the effects of chemicals, heat and pressure (such as from underground magma flow) can transform the structure of Igneous rock. This change forms Metamorphic rock.
Metamorphic and Igneous rock can be worn down by the effects of erosion. Acid rain, rain, wind, expansion and contraction of ice, earthquakes and other factors will wear down rocks to smaller pieces.
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Eventually most of the broken bits of the rock end up in the streams & rivers that flow down from the mountains. These little bits of rock & sand are called sediments. Over time the layers of sand and mud at the bottom of lakes and oceans turned into rocks. These are called Sedimentary Rock.
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Rocks
Metamorphic rock: Rock that was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase.
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Magma/Lava: the molten, fluid rock that issues from a Volcano or Volcanic vent.
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Solidification: change form a liquid or gaseous to a solid form. (To become a solid.)
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Igneous Rock: Rock formed by the cooling and solidifying of molten materials.Igneous rocks can form beneath the Earth's surface, or at its surface, as lava.
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Weathering: the various mechanical and chemical processes that cause exposed rock to decompose.
Erosion: the process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc.
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Sediment: the matter that settles to the bottom of a liquid.
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Compaction: the consolidation of sediments resulting from the weight of overlying deposits.
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Cementation: the heating of two substances in contact in order to effect some change in one of them, especially, the formation of steel by heating iron in powdered charcoal.
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Sedimentary Rock: Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers, lakes,and oceans), ice and wind. Sedimentary rocks are often deposited in layers, and frequently contain fossils.
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Rock Types
Igneous /Intrusive rock: magma forced into cavities or cracks of other rocks and crystallized but not reaching the surface
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Igneous/Extrusive rock: noting or pertaining to a class of igneous rocks that have been forced out in a molten or plastic condition upon the surface of the earth.
Sedimentary/Clastic rock: a rock composed of broken pieces of older rocks.
Sedimentary/Crystalline rock: of or like crystal, clear, transparent. (formed by Crystallization)
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Sedimentary/ Bioclastic rock: derived from shell fragments or similar organic remains.
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Metamorphic/Foliated rock: Rock does have line in it! (shaped like a leaf or leaves.)
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Metamorphic/Non Foliated rock: Rock does not have any line in it! ( metamorphic rock that does not display a lamellar texture or distinct light and dark banding common.
Crystals represent the Earth element,
and are also a considered a "Light Cure". They
are a beautiful way to energize your home, and an easy cure
to apply to any area. Hang them in a window for colorful
rainbows!
