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HOW IGNEOUS ROCKS ARE FORMED
Ask: HOW IGNEOUS ROCKS ARE FORMED
Answer:
Igneous rocks form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Explanation:
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how are igneous rocks formed?
Ask: how are igneous rocks formed?
Extrusive igneous rocks, also known as volcanic rocks, are formed at the crust’s surface as a result of the partial melting of rocks within the mantle and crust. Extrusive igneous rocks cool and solidify quicker than intrusive igneous rocks. They are formed by the cooling of molten magma on the earth’s surface.
How igneous rocks are formed
Ask: How igneous rocks are formed
Answer:
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there. Igneous rocks (from the Greek word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Answer:
form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
1.What are the characteristics of intrusive igneous rocks? extrusive igneous
Ask:
1.What are the characteristics of intrusive igneous rocks? extrusive igneous rocks?
2.How do intrusive igneous rocks form? extrusive igneous rocks?
Answer:
1.Summary
Intrusive igneous rocks cool from magma slowly because they are buried beneath the surface, so they have large crystals.
Extrusive igneous rocks cool from lava rapidly because they form at the surface, so they have small crystals.
Texture reflects how an igneous rock formed.
2.Igneous rocks are divided into two groups, intrusive or extrusive, depending upon where the molten rock solidifies. Intrusive Igneous Rocks: Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth.
How is an igneous rock formed?
Ask: How is an igneous rock formed?
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.
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When magma (molten rock) cools and crystallizes.
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How igneous rocks are formed?
Ask: How igneous rocks are formed?
Answer:
Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth. Great globs of molten rock rise toward the surface. Some of the magma may feed volcanoes on the Earth’s surface, but most remains trapped below, where it cools very slowly over many thousands or millions of years until it solidifies. Slow cooling means the individual mineral grains have a very long time to grow, so they grow to a relatively large size. Intrusive rocks have a coarse grained texture.
How igneous rocks are formed?
Ask: How igneous rocks are formed?
Answer:
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.
how igneous rock is formed
Ask: how igneous rock is formed
Answer:
Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Answer:
Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.
Igneous rocks can have many different compositions, depending on the magma they cool from. They can also look different based on their cooling conditions. For example, two rocks from identical magma can become either rhyolite or granite, depending on whether they cool quickly or slowly.
Explanation:
c. How do intrusive igneous rocks form? extrusive igneous rocks?
Ask: c. How do intrusive igneous rocks form? extrusive igneous rocks?
Answer:
intrusive rock is made from beneath the surface of the rock, it is made from magma
extrusive is made from lava, outside of the volcano
How are igneous rocks formed?
Ask: How are igneous rocks formed?
Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
Answer:
igneous rocks formed when hot molten crystallizer and solidifies.
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