KGS Home Page Education Index Page Start of this Report

Ancient Life in Kansas Rocks, part 4 of 27

Common Fossils of Kansas--"Algal Biscuit"


algal biscuit

In this figure is what is known colloquially as an "algal biscuit." It is found as lumps or nodules on rock out-croppings, or weathered free, and represents masses of calcium carbonate secreted by marine plants. (Wellington Formation, Permian)

Previous Page--Fossils || Next Page--Several Upper Pennsylvanian Plants
KGS Home Page || Education Index Page

Kansas Geological Survey
Placed online Feb. 1997
URL = ""
Send comments and/or suggestions to