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What is an ingenious rock with a coarse grained texture forms when?
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Metamorphic rock that consist of only mineral that forms large interlocking crystals often have what type of texture?
Metamorphic rocks that consist of only one mineral and have large interlocking crystals often have a coarse-grained texture. This means that the individual mineral grains are easily visible to the naked eye. Examples of such rocks include quartzite (formed from quartz) and marble (formed from calcite).
Is micro granite intrusive or extrusive?
Granite is an intrusive type of igneous rock Also since it is intrusive it cools very slowly and forms large crystals and coarse (large) grained igneous rock.
What is a Igneous rock that forms from lava on Earth's surface?
A type of igneous rock that forms from lava on Earth's surface is called basalt. Basalt is a dark-colored rock that is often found in volcanic regions and has a fine-grained texture. It is commonly used in construction, as it is durable and has good resistance to weathering.
A fine grained igneous rock forms?
quick cooling
A fine grained sedimentary rock that forms slate when placed under extreme heat and pressure?
The rock you are referring to is shale. Shale is a fine-grained sedimentary rock composed of compacted clay and silt particles. When subjected to intense heat and pressure, shale can undergo metamorphism and transform into slate. This process of metamorphism causes the clay minerals in shale to recrystallize, resulting in the characteristic foliated texture of slate.
Type of crystal grain that forms when molten rocks cool slowly?
Visible or coarse.
How would a geologist identify an igneos rock as extrusive or intrusive?
You can look at the rock texture.If the crystals are Large enough to be visible with your naked eye without stressing it the the texture is likely to be either medium coarse grained or course grained which is an indication that it is Intrusive.The opposite is forExtrusive
A coarse-grained rock and a fine-grained rock probably had different what?
Methods of formation. If crystalline (igneous or metamorphic) they would most likely have had differing rates of cooling. If sedimentary, they would most likely have had differing depositional environments (higher energy for larger grain sizes).
What is the shape of granite?
Diorite is a speckled, coarse-grained igneous rock that is mainly composed of plagioclase, feldspar and hornblende. It is irregularly shaped, with randomly-oriented mineral crystals that form an interlocking texture.
Metamorphic rock that consist of only mineral that forms large interlocking crystals often have what type of texture?
Metamorphic rocks that consist of only one mineral and have large interlocking crystals often have a coarse-grained texture. This means that the individual mineral grains are easily visible to the naked eye. Examples of such rocks include quartzite (formed from quartz) and marble (formed from calcite).
Why do igneous rocks have either have fined or coarsed grained?
The texture is mostly dependent on the amount of time the magma or lava had to crystallize into a solid rock. Volcanic rock is formed from quickly cooling lava (also called extrusive igneous rock), and will have a fine-grained texture. Plutonic rock (also called intrusive igneous rock) is formed from slow cooling magma, and will exhibit visible crystals.
Is micro granite intrusive or extrusive?
Granite is an intrusive type of igneous rock Also since it is intrusive it cools very slowly and forms large crystals and coarse (large) grained igneous rock.
Why is granite coarse grained while basalt is fine grained?
Basalt is fine grained because it is rapidly cooled from molten material. Rapid cooling inhibits the growth of large mineral crystals, as the time that they are allowed to form and grow is lessened.Basalt grains are small because of fast cooling.
Why is the texture of rhyolite different from the texture of granite?
Granite is an intrusive rock while rhyolite is an extrusive rock.** Intrusive rocks are rocks that are formed BELOW the earth's surface.Extrusive rocks are rocks that are formed ON the earth's surface.
How is gabbro formed?
Gabbro is a medium-grained, ultramafic igneous rock. It is made up of plagioclase feldspar and pyroxene. Gabbro is an intrusive igneous rock, meaning that it forms from the solidification of magma within the earth. Intrusive igneous rocks are medium- to coarse-grained because they cool slowly over time
What is a Igneous rock that forms from lava on Earth's surface?
A type of igneous rock that forms from lava on Earth's surface is called basalt. Basalt is a dark-colored rock that is often found in volcanic regions and has a fine-grained texture. It is commonly used in construction, as it is durable and has good resistance to weathering.
Why is the texture of rhyolite different from the texture granite?
because rholite forms outside a volcano and granite forms inside the volcano
