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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
What rock would most likely be found near a volcano?
When lava reaches the surface of the Earth through volcanoes or through great fissures the rocks that are formed from the lava cooling and hardening are called extrusive igneous rocks. Some of the more common types of extrusive igneous rocks are lava rocks, cinders, pumice, obsidian , and volcanic ash and dust
Where would you likely find extrusive igneous rock?
They are commonly found under ground or near volcanoes
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 weathering?
Sedimentary rock is likely to form next when extrusive igneous rock is broken down by weathering. Weathering breaks down the igneous rock into sediment, which then undergoes compaction and cementation to form sedimentary rock over time.
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
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.
What rock would most likely be found near a volcano?
When lava reaches the surface of the Earth through volcanoes or through great fissures the rocks that are formed from the lava cooling and hardening are called extrusive igneous rocks. Some of the more common types of extrusive igneous rocks are lava rocks, cinders, pumice, obsidian , and volcanic ash and dust
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.
