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If granite within earth melts and then erupts at the surface what type of extrusive rock is likely to form?
If granite melts and then erupts at the surface, it is likely to form rhyolite, which is an extrusive rock. Rhyolite has a composition similar to granite but is formed from the rapid cooling of magma at the Earth's surface.
Do you think extrusive or intrusive igneous rocks are likely to have larger crystals?
If a rock has large crystals, it is an intrusive rock. Intrusive rocks form underneath the Earth's surface. Magma cools slowly so it has time to form large crystals. An example is granite, where you can see the crystals with your naked eye. Rocks that have small crystals are extrusive rocks. Extrusive rocks are ones that form from lava (blasted out of a volcano) so they cool very quickly, not allowing large crystals to form. An example is obsidian, where you cannot visibly see the small crystals; it just looks like one black, glassy rock.
An extrusive rock with a composition similar to granite but with smaller crystals?
The rock is likely a rhyolite, which is an extrusive igneous rock with a composition similar to granite but formed from rapidly cooling lava, resulting in smaller crystals. Rhyolite typically exhibits a fine-grained texture due to its quick cooling process at the Earth's surface.
What can you tell about an igneous rock that has coarse-texture?
It is most likely extrusive.
What type of rock is a smooth black rock?
A smooth, black rock is likely to be basalt. Basalt is an extrusive igneous rock that is commonly dark in color and has a fine-grained texture, giving it a smooth appearance.
What type is rock is likely to form next when extrusive igneous rock is broken down by weathering?
Sedimentary
What type of rock is likely to form next when extrusive igneous rock is broken down by wheathering?
Sedimentary rocks are likely to form when extrusive igneous rock is broken down by weathering. This process involves the erosion and transportation of the weathered rock material, which eventually gets deposited and compacted to form sedimentary rocks.
If granite within the earth melts then erupts at the surface what type of extrusive rock is likely form?
A felsic extrusive igneous rock, such as rhyolite or obsidian.
When Magma is launched from a volcano forms what type of rock?
A volcano is made of extrusive igneous rock. The specific type of igneous rock will vary from one volcano to another.
If a lava flow at earths surface had a basaltic composition what rock type would the flow likely be?
A Mafic Extrusive Igneous Rock.
If granite within earth melts and then erupts at the surface what type of extrusive rock is likely to form?
If granite melts and then erupts at the surface, it is likely to form rhyolite, which is an extrusive rock. Rhyolite has a composition similar to granite but is formed from the rapid cooling of magma at the Earth's surface.
What did igneous rock begin as?
Igneous rock typically begins as magma, which is molten rock located beneath Earth's surface. This magma can solidify underground to form intrusive igneous rock or erupt onto the surface as lava and cool to form extrusive igneous rock.
What is a rock formed from lava that cooled quickly and entrapped air and other gases and is similar to scoria?
The rock described is likely pumice. Pumice is a light-colored, frothy volcanic rock that forms when lava cools quickly, trapping air bubbles and gases. It is commonly used in horticulture and beauty products for its abrasive properties.
Which rocks are more likely to have a coarse grained extrusive or intrusive?
extrusive
Once the rock is formed will it always be an igneous rock?
It is possible, but not likely. It is more likely to undergo metamorphism, or be subjected to weathering and erosion, and end up as a different type of rock.
Which features are extrusive igneous rocks least likely to have?
A)fossils B)small grains C)vesicular texture D) porphyrtic texture Its one of these answers i chose D. because its more likely to have it. Idk if its the right answer.
Can igneous rock be weathered to form sediment?
Yes. Any rock can be weathered to form sediment.
