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What two conditions are necessary to form igneous rocks?
Increased temperatures and or decreased pressures.
What other types of rocks are there other than igneous sedimentary and metamorphic?
Other types of rocks include volcanic rocks (such as basalt and pumice), hydrothermal rocks (like geyserite and travertine), and organic rocks (such as coal and limestone). These rocks form from specific processes or conditions that differ from the formation of igneous, sedimentary, and metamorphic rocks.
How long does it take rocks to form?
Some extrusive rocks such as lava and ejecta form in minutes. Stalactites may form in a few tens of years, but commonly longer. Other rocks may take millions of years, and may have to be recycled through metamorphism to attain their final form.
Petrology is the study of what?
Petrology is the branch of geology that focuses on the study of the origin, composition, and structure of rocks. It involves understanding how rocks form, their classification, and the processes that lead to their formation and alteration.
How do gniess rocks form in earth?
Gneiss rocks form from the metamorphism of existing rocks, such as granite or sedimentary rocks, under high temperature and pressure conditions deep within the Earth's crust. This process causes mineral grains in the rock to recrystallize and rearrange, giving gneiss its characteristic banded appearance.
Why rocks are differ?
Because of how they form and what conditions they form under.
What two conditions are necessary to form igneous rocks?
Increased temperatures and or decreased pressures.
Where do metomorphic rocks form?
Metamorphic rocks form deep underground under high pressure and heat conditions, typically within the Earth's crust. They can also form at plate boundaries where tectonic forces cause rocks to be buried and subjected to these extreme conditions.
What are metamrphic used for?
metamorphic rock are used for nothing
How the conditions under which rocks form affect the physical stability of Rocks?
The conditions that affect physical stability are heat, temperature, compression, pressure, and the molecular structure.
What Rocks form under conditions found a few kilometers under earth surface?
Hyperbasal Intrusive Rocks.
Describe how the conditions under which rocks form affect the physical stability of rocks.?
The conditions that affect physical stability are heat, temperature, compression, pressure, and the molecular structure.
What rocks form under conditions found a few kilometers under earth's surface?
Rocks such as gneiss and schist form under high temperature and pressure conditions found a few kilometers beneath the Earth's surface. These rocks are typically a result of metamorphic processes that alter existing rock types like granite or basalt.
How do garnets form?
Garnets form from the metamorphism of pre-existing rocks under high pressure and temperature conditions. They can also form through the crystallization of fluids in the Earth's crust. Garnets are commonly found in metamorphic rocks like schist and gneiss, as well as some igneous rocks.
What types of two rocks form when material is squeezed together?
Sedimentary rocks such as sandstone and shale can form when materials are squeezed together due to pressure from overlying sediments and compaction. Igneous rocks can also form from intense pressure transforming existing rocks, such as with the formation of gneiss from granite under high pressure and temperature conditions.
What happenes during each method to form intrusive igneous rocks?
Igneous rocks are formed under high heat conditions. Intrusive igneous rocks are formed by the crystallization of magma in the Earth's crust.
How the conditions under which rock form affect the physical stability of rocks?
The conditions that affect physical stability are heat, temperature, compression, pressure, and the molecular structure.
