what are the different types of sedimentary igneous and metamorphic rocks?
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The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment.
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There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water.
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Which statement best describes the relationship between igneous and metamorphic rocks? Igneous rocks must go through the sedimentary process to change into metamorphic rocks. Igneous rocks are chemically changed into metamorphic rocks because of high temperature and pressure.
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8 replies. Sediments and sedimentary rocks are grouped into two main subdivisions,namely detrital and chemical.
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Rocks are not all the same! The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material.
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The dikes, sills and laccoliths are the types of the rock. The rocks are classified into three types the sedimentary, igneous and metamorphic. ... The dike is the form of sedimentary rock. The laccolith and sills are dome shaped intrusive structures which may be found embedded between layers of sedimentary rocks.
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Some examples of metamorphic rocks are gneiss, slate, marble, schist, and quartzite.
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Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened. A metamorphic rock, on the other hand, began as a rock—either a sedimentary, igneous, or even a different sort of metamorphic rock.
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Which statement about metamorphic and sedimentary rocks is true? Both types of rocks form under high temperature, but sedimentary rocks also require high heat. Only metamorphic rocks show signs of rock layers. Both types of rocks form under high pressure, but metamorphic rocks also require high heat.
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There are three major groups of sedimentary rocks: clastic rocks, organic rocks, and chemical rocks.
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Sedimentary rocks are formed by weathered sediment using cementation or precipitation on Earth's surface . Metamorphic rocks are formed by changes of pressure and temperature within Earth's surface .
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Metamorphic rocks were once igneous or sedimentary rocks, but have been changed (metamorphosed) as a result of intense heat and/or pressure within the Earth's crust. They are crystalline and often have a “squashed” (foliated or banded) texture.
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Common Sedimentary Rocks: Common sedimentary rocks include sandstone, limestone, and shale. These rocks often start as sediments carried in rivers and deposited in lakes and oceans. When buried, the sediments lose water and become cemented to form rock. Tuffaceous sandstones contain volcanic ash.
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Figure 1: Chemical composition of sedimentary rocks. Encyclopædia Britannica, Inc. For the purposes of the present discussion, three major categories of sedimentary rocks are recognized: (1) terrigenous clastic sedimentary rocks, (2) carbonates (limestone and dolomite), and (3) noncarbonate chemical sedimentary rocks.
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Common Sedimentary Minerals. ... Thus, of the eight common igneous minerals, only quartz, K-feldspar, and muscovite are commonly seen in sedimentary rocks. These minerals are joined in sedimentary rocks by clay minerals, calcite, dolomite, gypsum, and halite. The clay minerals form during mineral weathering.
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There are three basic types of rock: igneous, sedimentary, and metamorphic. Extremely common in the Earth's crust, igneous rocks are volcanic and form from molten material. They include not only lava spewed from volcanoes, but also rocks like granite, which are formed by magma that solidifies far underground.
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One similarity between igneous rock and metamorphic rock, is they are both created under very hot temperatures. ... Marvin: The difference between metamorphic rocks and sedimentary rocks is that metamorphic rocks are formed from heat and pressure and sedimentary rocks are formed from compaction and cementation.