Specimen Number22-3-021CommentsFrom Crowe research collection. Two samples: one is nicely laminated Roberts Mt. Formation limestone, the other is argillically altered and brecciated Roberts Mt. limestone. Both from 7th west layback, 4280 level in western part of pit.In Teaching CollectionNoMineral(s)calciteclayRock Namealtered limestoneDistrictLynnMineBetze-PostExternal LinkMindatDeposit TypeCarlin-typeGeo-Coords[1] Reference MaterialACL-228: Smith, J.F., Jr., and Ketner, K.B., 1968, Devonian and Mississippian Rocks and the Date of the Roberts Mountain Thrust in the Carlin-Pinon Range Area, Nevada; U.S. Geol. Surv. Bull. 1251-I, Washington, D.C., 18 p.
22-3-021: altered limestone - Lynn District - Betze-Post Mine. Franklin College Collections, accessed 07/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/38021