Collection 8920, Dragoon Mnts., Mississippian Escabrosa Limestone; Arizona (Carboniferous of the United States)
Where: Cochise County, Arizona (31.7° N, 109.7° W: paleocoordinates 9.1° S, 51.8° W)
• small collection-level geographic resolution
When: Mississippian (360.7 - 318.1 Ma)
• Underlain by Martin limestone and overlain by the Naco group.
Environment/lithology: shelly/skeletal limestone
• The charactersitic rocks of the Escabrosa are white to light-gray, commonly composed largely of fragments of crinoid stems.
Primary reference: J. Gilluly, J. R. Cooper, and J.S. Williams. 1954. Late Paleozoic Stratigraphy of Central Cochise County arizona. Geological Survey Professional Paper 226 (266)1-49 [T. Olszewski/M. Gibson] more details
PaleoDB collection 13247: authorized by Tom Olszewski, entered by Melissa Gibson on 02.02.2002