GeoSnaps - Image of the Day
Geologic snapshots capturing Arizona’s geologic setting and mining history with a picture of the day from 1 January through 31 December 2013.
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Wednesday, September 18, 2013
2013 | Coral fossil | Cochise County, Arizona | Hexagonaria coral fossil in Escabrosa Limestone, Kartchner Caverns State Park. (photo by Bob Pape)
The Mississippian Escabrosa Limestone is the southeastern Arizona equivalent of the Redwall Limestone. Outcrops are particularly prevalent in the mountainous regions of Pinal and Pima counties. Ransome named the Escabrosa Limestone from Escabrosa Ridge near Bisbee in 1904.