EVERYDAY SCIENCE

SCIENCE

EARTH SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Where are the youngest rocks found on the ocean floor?
A
near the mid-ocean ridge
B
far from the mid ocean ridge
C
half-way between near and far from the mid-ocean ridge
D
all the ocean-floor rocks are the same age
Explanation: 

Detailed explanation-1: -The youngest crust (shown in red) is near mid ocean ridges and spreading zones. All three rock types in the earth’s crust-igneous, sedimentary, and metamorphic-can also be recycled back to their original molten magma form. This process occurs when oceanic crust is pushed back into the mantle at subduction zones.

Detailed explanation-2: -The youngest ocean floor is located on the mid-ocean ridge. Where is the oldest ocean floor located? The oldest ocean floor is located near the continents, next to a subduction zone. There are rocks on every continent that are 3 to 4 billion years old.

Detailed explanation-3: -Youngest oceanic crust is found at the Mid-Ocean Ridge. Age gets progressively older as you get farther from the mid-ocean ridge.

Detailed explanation-4: -Answer and Explanation: The youngest rock in the Earth’s crust is found at recent volcanic eruptions and at mid-ocean ridges. The mid-ocean ridges are divergent plate boundaries, which means the tectonic plates are separating.

Detailed explanation-5: -The OLDEST band of rocks are found along the mid-ocean ridges while the YOUNGEST band of rocks are found far away from the ridge. The age and magnetic polarity of rocks on both sides of the mid-ocean ridges are SYMMETRICAL, i.e., the banding on one side MATCHES the banding on the other side.

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