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Diamond falls under which category of rocks?
Igneous rocks are the category of rocks that contain diamonds. The two types of igneous rocks that form diamonds are kimberlites and lamproites.
What is the mineral form of NaCI?
The mineral form of NaCl is halite. Halite is a common mineral that is often found in sedimentary rocks and in evaporite deposits.
Are sedimentary rocks form from rock and mineral fragments and metamorphic rocks form from existing rocks?
Yes sedimentary rocks form from erosion, consolidation, and cementation of old rocks. Metamorphic rocks form from changes to an existing rock through a mineralogical change within brought on primarily by heat and to some extent by pressure.
What is the difference between monomineralic rocks and polymineralic rocks?
Monomineralic rocks are composed of only one mineral, while polymineralic rocks are composed of multiple minerals. Monomineralic rocks are typically formed from the crystallization of a single mineral, whereas polymineralic rocks may form from the cooling and solidification of a mixture of minerals.
What 2 things are applied to igneous or sedimentary rocks that make metamorphic rocks form?
Heat and pressure are applied to igneous or sedimentary rocks to make metamorphic rocks form. Heat causes mineral grains to recrystallize, while pressure helps to rearrange the mineral structure within the rock.
When igneous rocks from a volcanic eruption cools what does it form?
When igneous rocks from a volcanic eruption cool, they can form either intrusive or extrusive rocks. Intrusive igneous rocks form when magma cools slowly beneath the Earth's surface, resulting in larger mineral grains. Examples include granite and diorite. Extrusive igneous rocks form when lava cools quickly on the Earth's surface, resulting in smaller mineral grains. Examples include basalt and pumice.
How do course-grained rocks form?
Course-grained rocks form when mineral grains are large enough to be visible with the naked eye. This usually happens when rocks cool slowly beneath the Earth's surface, allowing larger mineral grains to grow. Examples of coarse-grained rocks include granite and diorite.
How old is aquamarine?
Aquamarine is a mineral that forms from the mineral beryl. Beryls can vary in age but typically form in pegmatite veins in igneous rocks. The mineral itself can be found in rocks that are hundreds of millions of years old.
How are igneas rocks classifled?
Igneous rocks are classified based on their mineral composition, texture, and origin. They can be divided into two main categories: intrusive rocks, which form from magma cooling beneath the Earth's surface, and extrusive rocks, which form from lava cooling on the Earth's surface or in the air. Within these categories, igneous rocks can then be further classified into specific types based on their mineral content and texture.
Is aquamarine igneous sedimentary or metamorphic?
Aquamarine is a form of the mineral beryl.
What kind of sediment consists primarily of mineral grains that were eroded from rocks on land?
Detrital sediment consists primarily of mineral grains that were eroded from rocks on land. These mineral grains are transported by wind, water, or ice and eventually settle and accumulate to form detrital sedimentary rocks, such as sandstone or shale.
Rocks that form as a result of cooling magma?
Igneous rocks form as a result of cooling magma. As the magma cools and solidifies, it forms rocks such as granite, basalt, and obsidian. The size of the mineral crystals in the rock is determined by the rate of cooling.
