Platteville Limestone | MNopedia
Platteville limestone formed between 488 and 436 million years ago, when what became southeastern Minnesota and southwestern Wisconsin lay beneath an ancient sea. This sea was heavily populated by shellfish and other invertebrates. As they died, their shells and other hard parts, made of calcium carbonate, fell to the ocean floor. Over the centuries, the weight of these deposits crushed the,Platteville Limestone - Wikipedia,Platteville Limestone formed between 488 and 436 million years ago, when what became southeastern Minnesota and southwestern Wisconsin lay beneath an ancient sea. This sea was heavily populated by shellfish and other invertebrates. As they died, their shells and other hard parts, made of calcium carbonate, fell to the ocean floor. Over the centuries, the weight of these deposits crushed the,Geolex — Platteville publications - USGS,07/08/2020· Platteville limestone. The beds heretofore called "Trenton limestone" in Mississippi Valley region, but older than Trenton. Consists of (descending): (1) 10 to 20 feet of thin beds of limestone and shale; (2) 25 to 30 feet of thin-bedded brittle limestone breaking with conchoidal fracture and at times called "glass rock"; (3) 20 to 25 feet of buff to blue magnesium heavy-bedded limestone,Platteville Limestone - Green Limestone - StoneContact,Platteville Limestone is a grey to pale green sedimentary limestone found in Platteville, Wisconsin. Finishes available:Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled, Thermalled, Natural Cleft, Weatheredge Usages: Platteville Limestone can be coomonly used; Exterior - Interior wall and floor applications, fountains, sculptures, pool and wall capping, stairs, mosaic, window,The Platteville Mound or The "M" | UW-Platteville,An iconic symbol of the mining tradition and the history of the University of Wisconsin-Platteville is the world's largest "M," located on the Platte Mound four miles northeast of the city of Platteville. At a December 1924 meeting of the Engineering Club, members voted to place an "M" on the mound. A committee of five students was formed to investigate the project.,
