Geological introduction: Chinese Gruner stromatolite is a kind of columnar stromatolite. Its columnar part is mostly composed of silica mud. It often grows densely with each other. The cross-section of the column is sub-circular to elliptical. .
Geological introduction: Chinese Gruner stromatolite is a kind of columnar stromatolite. Its columnar part is mostly composed of silica mud. It often grows densely with each other. The cross-section of the column is sub-circular to elliptical. .