Question

what are stromatolites

Answer 1

Stromatolites are layered mounds, columns and sheet-like sedimentary rocks. They were formed by the growth of layer upon layer of cyanobacteria which is a photosynthetic microbe.

Answer 2

heya,

stromatolites - a mound built up of layers of lime secreting.
- there are found in precambrian rocks.
- its being formed in lagoons, australasia.
- it is a major constitunent of fossil record on the earth.
- these are created by blue - green algae.


thank you!