Subject ASC00012vg

The Quarterly journal of the Geological Society of London.
v.50 (1894), Page 681 (1894)
Smithsonian Libraries
BHL Page 39089509

Keywords

siliceous rock sponge-spicules transverse section glauconite-grains quartz cross-section geology Microscopic rocks microscopic view sponge clay rock siliceous Chapman Surrey surrey section

Contributors

Species