Specimen Number22-3-022CommentsFrom Crowe research collection. Three samples, all from Popovich Formation, 4400 level of northeast layback. Two are weakly silicified, one is strongly silicified. All are organic-rich and black in color. The weakly silicified samples are argillized.In Teaching CollectionNoMineral(s)calciteclaypyritestibniteRock 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.
22-3-022: altered limestone - Lynn District - Betze-Post Mine. Franklin College Collections, accessed 07/06/2026, https://digitalcollections.franklin.uga.edu/nodes/view/38022