File:LimestoneWithFossilUSGOV.jpg

Limestone with fossil, from en:Image:LimestoneWithFossilUSGOV.jpg English applies to jurisdiction: United States of America determination method: work

gov/gallery/individual.php?db_date=2022-08-31 URL: http://modis.gsfc.nasa.gov/gallery/images/image08312022_250m.jpg determination method: JImagehash perceptual hash

0182.jpg English: W.H. Bradley 1929; plate 46-B; Algal pebbles formed chiefly of Chlorellopsis coloniata Reis in a matrix of ostracode limestone, natural

oolite grains and the medium toned gray areas are fragments of silty limestone, alga reefs and mud lumps. Natural size. Wasatchian, Early Eocene; Lake

grains suspended in the positions in which they formed; fragments of algal limestone consisting almost wholly of Chlorellopsis and an unusually large oolite