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What are two characteristics of Precambrian rocks?

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Sankari2912idn

Answer:

1. Precambrian rocks are very old.

2. They have very few fossils.

Characteristics of precambrian rocks:-

  • Fossils are rare in Precambrian rocks, probably because Precambrian life-forms lacked bones, shells, or other hard parts that commonly form fossils.
  • These rock layers contain a permanent record of the Earth's past, including the fossilized remains of plants and animals buried when the sediments were formed.

What is precambrian?

The Precambrian is the earliest of the geologic ages, which are marked by different layers of sedimentary rock.

What is a fossil?

Fossil are the remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.

To know more about geological time here

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