What is St. Clair Limestone?

The Greenhorn Limestone or Greenhorn Formation is a geologic formation in the Great Plains Region of the United States, dating to the Cenomanian and Turonian ages of the Late Cretaceous...

Gibraltar Limestone consists of greyish-white or pale-gray compact, and sometime finely crystalline, medium to thick bedded limestones and dolomites that locally contain chert seams. This formation comprises about three quarters...

The Oread Limestone is a geologic unit of formation rank within the Shawnee Group throughout much of its extent. It is exposed in Kansas, Nebraska, Missouri, Oklahoma, and Iowa. The...

The Leadville Limestone is a Mississippian geologic formation in the western United States. In Colorado, the upper part is oolitic limestone, while the lower part is primarily dolomite, and somewhat...

The Buda Limestone is a geological formation in the High Plains and Trans-Pecos regions of West Texas and in southern New Mexico, whose strata date back to the Late Cretaceous....

The Platteville Limestone is the Ordovician limestone formation in the sedimentary sequence characteristic of the upper Midwestern United States. It is characterized by its gray color, rough texture, and numerous...

The Clifton Down Limestone is a geologic formation in England. It preserves fossils dating back to the Carboniferous period.

The Limestone Alps are a mountain ranges system of the Alps in Central Europe. They are of economic importance, including as a watershed source of drinking water. They have many...

The Warsaw Limestone is a geologic formation in Tennessee. It preserves fossils dating back to the Carboniferous period.

Clair Brown is an American economist who is Professor of Economics and Director of the Center for Work, Technology, and Society at the University of California, Berkeley. Brown is a...