Sedimentary rocks originate:in magma chamberswithin the Earth's crustinside volcanoesat the Earth's surfaceat the bottom of oceans
Question
Sedimentary rocks originate:in magma chamberswithin the Earth's crustinside volcanoesat the Earth's surfaceat the bottom of oceans
Solution
Sedimentary rocks originate through a series of processes that occur over time. Here are the steps:
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Weathering: The first step in the formation of sedimentary rocks is weathering. This is the process by which rocks are broken down into smaller pieces through physical, chemical, or biological means. Weathering can occur due to factors such as wind, water, ice, or even living organisms.
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Erosion: Once the rocks are weathered, the next step is erosion. Erosion is the transportation of the weathered rock fragments from their original location to a new location. This can happen through the action of wind, water, or ice.
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Deposition: After the rocks are eroded, they are deposited in a new location. This can be in bodies of water such as rivers, lakes, or oceans, or on land in the form of sediment layers.
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Compaction: As more and more sediment is deposited, the weight of the overlying layers causes the sediment to become compacted. This means that the grains of sediment are pressed together, reducing the amount of space between them.
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Cementation: The final step in the formation of sedimentary rocks is cementation. This occurs when minerals in the groundwater fill in the spaces between the sediment grains and bind them together. This process creates a solid rock.
So, to answer your question, sedimentary rocks originate at the Earth's surface, at the bottom of oceans, or in bodies of water such as rivers or lakes where the processes of weathering, erosion, deposition, compaction, and cementation take place.
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The diagram below shows the formation of a volcanic arc. This arc was formed as a result of an oceanic plate moving underneath a continental plate in a subduction zone.Image courtesy of USGSVolcanic eruptions result in magma rising from the interior of Earth toward the surface. Lava is magma that reaches the surface of Earth. Magma and lava cool to form solid rocks that contain minerals from deep inside Earth. These rocks include metal ores, which are rocks that contain metallic minerals (such as copper, gold, silver, lead, and zinc).Based on this information, which of the following is most likely to be true? A. The distribution of metallic minerals on Earth cannot be predicted due to the inconsistent formation of these minerals. B. The distribution of metallic minerals on Earth cannot change over time because volcanic activity does not occur any more. C. The distribution of metallic minerals on Earth is uneven and depends on the geologic processes that occurred in the past. D. The distribution of metallic minerals on Earth is evenly spread across all continents because geologic processes occur uniformly.
example of rocks that solidified within Earth's crust
1. The innermost section of the Earth is the _____.*1 pointA. CoreB. MantleC. CrustD. Sial2. The part of the earth’s crust that is covered by oceans and seas is called___________*1 pointA. BiosphereB. LithosphereC. StratosphereD. Hydrosphere3. Which of the following is not a characteristic of sedimentary rocks? They*1 pointA. Contain fossilsB. Are crystallineC. Are usually laid down in layersD. are porous4. The part of the Earth’s crust which is made of silica and alumina is the ______*1 pointA. SimaB. MantleC. BarrysphereD. Sial5. The part of the earth where life exist is the __________*1 pointA. HydrosphereB. BarysphereC. BiosphereD. Atmosphere6. The earth is enveloped by a mixture of gases referred to as the ____________*1 pointA. HydrosphereB. BarysphereC. BiosphereD. Atmosphere7. Which of the following is not a characteristic of sedimentary rocks? *1 pointA. Contains fossilsB. Are crystallineC. Are usually laid down in layersD. Are porous8. Rocks which have been formed by the cooling and solidification of molten magma are called_______________*1 pointA. Igneous rockB. Sedimentary rockC. ConglomeratesD. Metamorphic rock9. Metamorphic rocks are _________*1 pointA. Rocks transformed under great heat and pressureB. Formed by cooling and solidification of molten magmaC. Mechanically formed rocksD. Stratified rocks10. Another name for the core of the earth is _________*1 pointA. LithosphereB. BarysphereC. TroposphereD. Endosphere11. Rock of the core in the earth are rich in ______________*1 pointA. Iron and nickelB. Silicon and magnesiaC. Iron and magnesiaD. Silica and nickel12. Convection occurs when materials move in currents due to differences in___________*1 pointA. Heat and densityB. Pressure and densityC. Climate and WeatherD. Temperature and humidity13. Inside Earth's mantle, when pieces of rock and crust become very hot and less dense, they ______________*1 pointA. RiseB. FlyC. ConvergeD. Divert14. The cooling parts of the mantle at the surface become denser and ____________ *1 pointA. SinkB. BreakC. MultiplyD. Flow15. Scientists have used precise measurements to discover that plates move at a very slow rate of _____________ per year.*1 pointA. One to ten centimetresB. Two to five centimetresC. Three to five centimetresD. Four to six centimetres16. Plate boundaries interact with each other in ____________ primary ways giving the types of plate boundaries*1 pointA. 2B. 3C. 4D. 517. ____________ plates pull apart from each other. *1 pointA. ConvergentB. UltravioletC. VolcanicD. Divergent18. ____________ plates push boundaries together.*1 pointA. TransformB. VolcanicC. ConvergentD. Divergent19. The three mechanisms that cause plate movement on Earth are_________ *1 pointA. Thermal convection, ridge push, and slab pullB. Density, heat and gravityC. Climate, relief and timeD. Volcano, earthquake and Tsunami20. The following are characteristics of the Atmosphere except___________*1 pointA. Over 99% lies within 30km of the earth surfaceB. Its density decreases progressively with elevationC. It contains water in form of vapor in lower layersD. It is about 3476km in radius or width all round
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