GEOLOGY

EARTH SCIENCE

MINERALOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The solid layer of rock in earth’s crust is called
A
bedrock
B
magma
C
lithosphere
D
None of the above
Explanation: 

Detailed explanation-1: -Bedrock is the hard, solid rock beneath surface materials such as soil and gravel. Bedrock also underlies sand and other sediments on the ocean floor. Bedrock is consolidated rock, meaning it is solid and tightly bound. Overlying material is often unconsolidated rock, which is made up of loose particles.

Detailed explanation-2: -Bedrock is the solid, intact part of the earth’s crust, the outer layer 20 to 25 miles thick that rests on the earth’s mantle.

Detailed explanation-3: -Bedrock is the solid rock that makes up the earth’s crust. It forms a continuous foundation beneath the whole state, but in most of Maine, bedrock is covered by some thickness of surficial sediments, soil, and vegetation.

Detailed explanation-4: -2-2.1.2 Sedimentary Bedrock Sedimentary rocks are those rocks formed through the deposition and solidification of sediment transported by water, ice or wind. A characteristic feature of sedimentary rocks is a layered structure known as bedding or stratification (AGI, 1972).

Detailed explanation-5: -At the center of the Earth is the molten metal core, surrounded by the rocky mantle and then the outer crust. This outer crust is mostly comprised of rock, with a thin layer of soil, sand and loose material on top of it. The point where the rock is still a solid mass is called the bedrock.

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