Question

distinguish between petrifications and compressions?

Answer 1

A compression fossil is a fossil preserved in sedimentary rock that has undergone physical compression. While it is uncommon to find animals preserved as good compression fossils, it is very common to find plants preserved this way. The reason for this is that physical compression of the rock often leads to distortion of the fossil.

In geology, petrifaction or petrification is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals. Petrified wood typifies this process, but all organisms, from bacteria to vertebrates, can become petrified (although harder, more durable matter such as bone, beaks, and shells survive the process better than softer remains such as muscle tissue, feathers, or skin).

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Answer 2

Answer:

Compression:

Compression fossil may be defined as the fossil that has undergone the several physical compression. The compression fossil is preserved in the sedimentary rocks. Plants are generally preserved in the form of compression fossil. The physical compression may distort the fossil as well.

Petrification:

Pterification or fossil petrification may be defined as the process the fossil of the organisc material can be preserved. The material can be replaced by the filling of the minerals. Animals and vertebrate fossil are preserved by the petrification process.