Where are the youngest rocks on Earth found quizlet?

Alaine Sterk asked, updated on April 19th, 2021; Topic: earth
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Found the youngest rocks are closest to mid ocean ridges, rocks get older the further they are away from the ridge by taking rock samples from the ocean floor.

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As well as, where is the youngest ocean floor found quizlet?

Youngest at mid-ocean ridge, oldest adjacent to the continents. The lithosphere makes up the ocean floor and the continental land masses, along with the uppermost portion of the mantle.

Ergo, where are the oldest rocks in the ocean? The oldest patch of undisturbed oceanic crust on Earth may lie deep beneath the eastern Mediterranean Sea – and at about 340 million years old, it beats the previous record by more than 100 million years.

Plus, which area is most likely to be the safest during a major earthquake?

ANSWER: The area with loosely compacted soil is most likely to be the safest during a major.

Where are the oldest rocks on Earth found?

The Nuvvuagittuq Belt on the coast of the Hudson Bay in Northern Quebec. Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks.

14 Related Questions Answered

How is it that the floor of the ocean is so much younger than the ocean itself?

How is it that the floor of the ocean is so much younger than the ocean itself? The ocean floor keeps regenerating itself. ... Most lithospheric plates contain both oceanic and continental crust.

What happens when the seafloor spreads?

Sea-floor spreading is what happens at the mid-oceanic ridge where a divergent boundary is causing two plates to move away from one another resulting in spreading of the sea floor. As the plates move apart, new material wells up and cools onto the edge of the plates.

How old is the ocean floor?

about 200 million years

Why are the most ancient rocks found on the continents not on the ocean floor?

Why are the most ancient rocks on earth found only on the continents, whereas only relatively younger rocks are found on the ocean floor? ... The continental crust is less dense so the oceanic crust subducts back to the mantle. This process explains why the younger rocks are found on the ocean floor.

Why are older rocks found on continents?

It is due to the process of subduction; oceanic crust tends to get colder and denser with age as it spreads off the mid-ocean ridges. ... As the continental crust is lighter than the oceanic crust, the continental crust cannot subduct. We therefore still have some very old continental rocks at the surface of the Earth.

Which is the oldest continent on earth?


Is it safe to be in a car during an earthquake?

If an earthquake occurs while you're driving, slow down, look for an open area to stop and pull over as soon as it is safe to do so Avoid parking near or under bridges, overpasses, signs, building overhangs, power lines, trees, or any other hazard that might fall onto your car Turn off the engine, set the parking ...

Where is the safest place during a tsunami?

When the shaking stops, if there are natural signs or official warnings of a tsunami, then move immediately to a safe place as high and as far inland as possible.

Does the ground always shake in an earthquake?

Why does the earth shake when there is an earthquake? ... The seismic waves shake the earth as they move through it, and when the waves reach the earth's surface, they shake the ground and anything on it, like our houses and us!

How old are rocks on the beach?

They could be up to four billion years old (approx). That is the age of the oldest rocks found on Earth. There could be pebbles on the beaches of Greenland, for instance, that old.

What is the oldest known gemstone?


Are Rocks the oldest things on Earth?

The oldest dated rocks formed on Earth, as an aggregate of minerals that have not been subsequently broken down by erosion or melted, are more than 4 billion years old, formed during the Hadean Eon of Earth's geological history. Meteorites that were formed in other solar systems can pre-date the Earth.

What is the oldest part of the ocean floor?

The oldest seafloor is comparatively very young, approximately 280 million years old. It is found in the Mediterranean Sea and is a remnant of an ancient ocean that is disappearing between Africa and Europe.

Who discovered seafloor spreading?

Harry Hess