Asked By: Gabriel Wright Date: created: Apr 14 2022

What is the age of the continental crust

Answered By: Gilbert Gonzales Date: created: Apr 17 2022

The oldest oceanic crust is about 260 million years old.

This sounds old but is actually very young compared to the oldest continental rocks, which are 4 billion years old..

Asked By: Owen Smith Date: created: Dec 02 2022

Where does the continental crust stop and oceanic crust begin

Answered By: Juan Harris Date: created: Dec 02 2022

The process, called relamination, starts at the edge of a continental plate, where an oceanic plate is diving under the continental plate and magma is rising to form a volcanic arc. As the oceanic plate dives, it drags down sediment, lava and plutonic rock from the edge of the arc.

Asked By: Bruce Brooks Date: created: Mar 14 2022

What are 3 differences between oceanic and continental crust

Answered By: Caleb Green Date: created: Mar 17 2022

It is the solid rock layer upon which we live. It is either continental or oceanic. Continental crust is typically 30-50 km thick, whilst oceanic crust is only 5-10 km thick. Oceanic crust is denser, can be subducted and is constantly being destroyed and replaced at plate boundaries.

Asked By: Bernard Baker Date: created: Dec 27 2022

What will happen when oceanic and continental crust collide

Answered By: Simon Morris Date: created: Dec 28 2022

When an oceanic and a continental plate collide, eventually the oceanic plate is subducted under the continental plate due to the high density of the oceanic plate. … As time goes on the hot magma rising upward from the subduction zone causes further compression of the mountain belt.

Asked By: Philip Coleman Date: created: Sep 27 2022

What are the found at the continental crust

Answered By: Thomas Morgan Date: created: Sep 30 2022

The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. It is less dense than the material of the Earth’s mantle and thus “floats” on top of it.

Asked By: Oscar Bennett Date: created: Jul 02 2022

What are 5 facts about the crust

Answered By: Cody Powell Date: created: Jul 04 2022

Interesting Facts about the Earths Crust The crust is deepest in mountainous areas. It can be up to 70km thick here. The continental and oceanic crusts are bonded to the mantle, which we spoke about earlier, and this forms a layer called the lithosphere. This layer is cool and rock solid.

Asked By: Ronald Morgan Date: created: Mar 25 2022

What is the continental crust temperature

Answered By: Jack Garcia Date: created: Mar 26 2022

At its outer edge, where it meets the atmosphere, the crust’s temperature is the same temperature as that of the air. So, it might be as hot as 35 °C in the desert and below freezing in Antarctica. On average, the surface of the Earth’s crust experiences temperatures of about 14°C.

Asked By: Alan Gonzalez Date: created: Jan 21 2022

Where is the oldest continental crust found

Answered By: Carl Richardson Date: created: Jan 24 2022

AustraliaAustralia holds the oldest continental crust on Earth, researchers have confirmed, hills some 4.4 billion years old.

Asked By: Howard James Date: created: Oct 27 2021

Which type of the crust is thinner

Answered By: Harry Collins Date: created: Oct 27 2021

Oceanic crustOceanic crust is thinner and denser than continental crust. Oceanic crust is more mafic, continental crust is more felsic.

Asked By: Harry Cook Date: created: Dec 09 2021

What is the maximum age of oceanic crust

Answered By: Henry Campbell Date: created: Dec 09 2021

180-200 million yearsThe oldest large-scale oceanic crust is in the west Pacific and north-west Atlantic — both are about up to 180-200 million years old. However, parts of the eastern Mediterranean Sea are remnants of the much older Tethys ocean, at about 270 and up to 340 million years old.

Asked By: Lewis Collins Date: created: Dec 30 2021

What is the oldest known place on Earth

Answered By: Christian Barnes Date: created: Jan 01 2022

DamascusDamascus is widely believed to be the oldest continuously inhabited city in the world, with evidence of habitation dating back at least 11,000 years.

Asked By: Jack Morgan Date: created: Sep 21 2021

Which crust is more dense

Answered By: Clifford Simmons Date: created: Sep 24 2021

Oceanic CrustOceanic Crust is denser that continental crust. Bassically the Oceanic crust is made with volcanic rocks and intrussions from the Mantle (which is more dense than the crust) and it has densities of about 2.9 grams/cubic centimeter.

Asked By: Tyler Williams Date: created: Dec 08 2022

What happens to old crust as new crust forms

Answered By: Blake Moore Date: created: Dec 11 2022

At subduction zones, the edge of the denser plate subducts, or slides, beneath the less-dense one. The denser lithospheric material then melts back into the Earth’s mantle. Seafloor spreading creates new crust. Subduction destroys old crust.

Asked By: Luke Rivera Date: created: May 12 2022

Where can you find oceanic and continental crust

Answered By: Jack Bennett Date: created: May 12 2022

The Earth has three different layers to it. The crust is the part of the Earth right on top where people live. The crust is subdivided into two types, oceanic and continental. Oceanic crust is found under oceans, and it is about four miles thick in most places.

Asked By: Isaac Hayes Date: created: Jun 13 2022

What are the similarities and differences between oceanic and continental crust

Answered By: George Ramirez Date: created: Jun 15 2022

Layers that are less dense, such as the crust, float on layers that are denser, such as the mantle. Both oceanic crust and continental crust are less dense than the mantle, but oceanic crust is denser than continental crust. This is partly why the continents are at a higher elevation than the ocean floor.

Asked By: Samuel Edwards Date: created: Jan 18 2023

Why is continental crust thicker

Answered By: Sebastian Lee Date: created: Jan 19 2023

The crust is thickened by the compressive forces related to subduction or continental collision. The buoyancy of the crust forces it upwards, the forces of the collisional stress balanced by gravity and erosion. This forms a keel or mountain root beneath the mountain range, which is where the thickest crust is found.

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