Question

Footprints or leaf impressions made in mud filled with some hard mineral resulting in a fossil is called as

• A. Mould
• B. Petrified rock
• C. Coprolite
• D. All of the above

Answer 1

Answer: (B)

Petrified rock

Organic materials(plants, leaves, stem etc) replaced by hard minerals. Trees having completely converted into stone while retaining the original shape and structure of stem tissue. The whole process occurs underground, when plants buried under sediments, the process is anaerobic known as petrifaction. Fossils formed through petrifaction process known as petrifaction fossil.

Thus, the correct answer is B.