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The presence of marine fossils found high above sea level is a key indicator of crustal uplift. Additionally, the presence of erosional features such as river valleys in mountainous regions suggests uplift has occurred. Geological structures like fault blocks and folds also provide evidence of crustal uplift.
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How are folded mountains created?
Fold moutains are actually formed by crust which have been uplifted and folded by compressional forces. This occurs along convergent plate boundaries where 2 plates move towards each other, between continental plates or between an oceanic and a continental plate. The crust and the rocks get bent and crumpled, and massive layers of Earth's crust gets uplifted as a result, forming spectacular fold mountains. More well-know examples of fold mountains are the Himalayas in Asia and the Andes in South America.
What is the difference between a crack in the earths crust and a fault?
A crack in the Earth's crust is a fracture where rocks have pulled apart, whereas a fault is a fracture where there has been movement along the fracture plane. In other words, a fault is a type of crack in the Earth's crust that has undergone displacement.
What are the remains of living things that have been preserved in the earths crust?
Fossils are the remains of living things that have been preserved in the Earth's crust. These can include bones, shells, plants, and traces of organisms such as footprints or burrows. Fossils provide valuable information about ancient life forms and environments.
Why pieces of earth's earliest crust do not exist today?
Earth's earliest crust, which formed over 4 billion years ago, has been recycled through processes like subduction, where it is pulled back into the mantle. This constant recycling of Earth's crust, along with the effects of erosion and weathering, means that no original pieces of the earliest crust remain intact today.
Where can you find peridotite?
Peridotite is typically found in the upper mantle of the Earth. It can also be found in ophiolite complexes, which are sections of oceanic crust that have been uplifted and exposed on land through tectonic processes. Additionally, peridotite can sometimes be found in areas of ancient continental crust that have been deeply eroded.
Which evidence suggests that sections of the earths crust have been uplifted in the past?
Evidence for the uplift of sections of the Earth's crust includes the presence of marine fossils found at high elevations, indicating that these areas were once underwater. Additionally, the observation of folded and faulted rock layers, as seen in mountain ranges, supports the idea of tectonic forces causing uplift. Geological features like raised beaches and terraces also provide evidence of past uplift events. Lastly, dating of rock formations can reveal discrepancies in their current elevation compared to their original positions.
How miners been able to dig into Earth's crust?
miners have been able to dig into the earths crust by big machines and other huge tools and they have only dig ed 2 miles into the earths crust
What do scientists believe that is happening to the segments of earths crust?
it has been washed into the oceans as the continental crust has eroded.
What are the remains of living things that have been persevered in the earths crust?
Fossils
What are remains of living things that have been persevered in the Earths crust called?
Fossils
A stream whose gradient has been increased by movement of the earths crust is said to be?
rejuvenated
Are the Andes fold mountains?
Yes, Fold mountains are actually formed by crust which have been uplifted and folded by compressional forces. This occurs along convergent plate boundaries where 2 plates move towards each other, between continental plates or between an oceanic and a continental plate. The crust and the rocks get bent and crumpled, and massive layers of Earth's crust gets uplifted as a result, forming spectacular fold mountains this is how the Andes are formed.
What are the remaines of living thing that have been preserved in the earths crust?
Fossils, although technically they are not preserved in the earths crust; the minerals in the bones and pore spaces have been replaced by other harder minerals which take much longer to weather.There are a number of different fossilization processes. See this link :How are Fossils Formed?
What is a nearly level area that has been uplifted?
A plateau.
How are uplifted mountains formed?
A upwarped mountain is a mountain consisting of a broad area of the Earth's crust that has moved gently upward without much apparent deformation, and usually containing sedimentary, igneous, and metamorphic rocks
Which geologic province of North America is a place where the crust has been uplifted and extended forming alternating areas of high elevation and low elevation?
The geologic province you’re referring to is the Basin and Range Province. This region, located primarily in the western United States, is characterized by a series of elongated mountain ranges separated by down-dropped valleys or basins. The crust has been stretched and uplifted, resulting in the alternating high and low elevations typical of the landscape. This tectonic activity has created a unique topography that is distinct to the area.
What is formed by heat and pressure in the earths crust?
Many elements and materials which could not have been produced any other way (like diamonds).
