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Name the three major groups of rocks and describe how each forms?
The three groups are igneous, sedimentary, and metamorphic. igneous forms when magma or lava cools down. sedimentary forms when sediments (clay, sand, silt etc) gets compressed. and metamorphic forms when an igneous or sedimentary goes under very high temperatures and pressure
Where would you most likely find a sedimentary rock such as sandstone?
Sandstone---as exposed rock on the surface of the Earth in tectonically lifted former beach or deltaic deposits. Sedimentary rock---the majority of rock units on the surface of the Earth are sedimentary in nature.The keyword is 'surface'.
How are chemical and organic rocks classified?
Both organic sedimentary (like coal) and chemical sedimentary (like rock salt) rocks are not composed of particles of other rocks. They are different because organic rocks are composed of the remains of living things but chemical rocks are formed by inorganic processes such as evaporation.
What is a dark sedimentary rock formed by compression of layers of clay-rich sediment?
Shale is made from layers of mud and clay pressed together. :)
Type of rock in which most fossils are found?
Sedimentary rock is where we look for fossils.
What rock is formed from biological remains or precipitation?
From biological processes: organic sedimentary rock.From precipitation or evaporation: chemical sedimentary rock.
What removes water from sediment to form sedimentary rock?
Evaporation removes water from sediment to form sedimentary rock. When water evaporates everything that was in the water dries out. The evaporation of water from sediment takes a very long time to form sedimentary rock.
Is gypsum intrusive or extrusive?
Gypsum is an extrusive sedimentary rock formed from the evaporation of seawater.
What rock forms when mineral-rich water evaporates?
Chemical sedimentary rocks are formed from the precipitation from, or evaporation of, water that is saturated with dissolved minerals. In addition, most clastic sedimentary rocks are also formed from the cementing together of sediment particles by the precipitation of minerals from water.
Are sedimentary rocks formed because of water evaporating and leaving crystals behind?
Some sedimentary rock is formed this way; chemical sedimentary rock formed from evaporites, like rock salt, and rock gypsum.
What are the 3 types of sedimentary?
Mechanically formed sedimentary rock , Chemically formed sedimentary rock and Organically formed sedimentary rock.
What sedimentary rock is not classified by the size of clastic sediment that forms the rock?
Chemical sedimentary rocks, such as limestone and chert, are not classified by the size of clastic sediment that forms them, as they are formed from dissolved minerals that precipitate out of water. These rocks are made up of minerals that have been dissolved in water and then later crystallize out of solution.
Is the sedimentary rock that forms when minerals precipitate from a solution and settle from a suspension organic chemical or clastic sedimentary rock?
The sedimentary rock formed from minerals precipitating from a solution is called chemical sedimentary rock. It is formed through processes such as evaporation or chemical reactions, without the involvement of organic material or clastic particles.
What Are Chemically Formed Sedimentary Rocks Formed From?
Chemically formed sedimentary rocks are formed from dissolved minerals that precipitate out of water through processes like evaporation or chemical reactions. Examples include rocks like limestone, rock salt, and gypsum.
Which rock is sedimentary in origin and formed as a result of chemical processes?
Limestone is a sedimentary rock that forms as a result of chemical processes. It is composed primarily of calcite or aragonite minerals, which precipitate out of solution in bodies of water. Over time, these deposits solidify to form the limestone rock.
Rock type that is formed when sediment is lithified?
Sedimentary rock can be formed from lithified sediments.
Is slate a sedimentary rock igneous rock or a metamorphic rock?
Halite is recognized by the IMA as a valid mineral, not a rock. According to the website linked below, "Halite is an evaporative sedimentary rock composed primarily of the mineral halite (sodium chloride)."
