Filters: Tags: mines (X) > Categories: Image (X)

Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts U.S. Geological Survey Ferguson, Henry Gardiner Carrara, Paul E. Sterrett, Douglass Bovard Tag Types collection (17) Place (17) label (17) category (15) category (1) Tag Schemes http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/PhotoMedia (16) http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/Collections (1) View Results as: JSON ATOM CSV

Quartz stringers in footwall of vein, Eldorado Mine. Sierra County, California. 1924. Quartz stringers in footwall of vein, Eldorado Mine, near bottom of shaft. Stringers are parallel and at angles to the vein but cross the vertical cleavage of the country rock. Hanging wall marked by later shear. Sierra County, California. 1924. Plate 12-A, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Eldorado Mine, Ferguson, H.G. Collection, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Eldorado Mine. Sierra County, California. 1924. Quartz displaced by minor fault that does not cut the footwall, Eldorado Mine, upper tunnel on bullion vine. Sierra County, California. 1924. Plate 17-A, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Eldorado Mine, Ferguson, H.G. Collection, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Ribbon quartz cut by transverse sheeting, Kate Hardy Mine. Sierra County, California. 1924. Ribbon quartz cut by transverse sheeting, Kate Hardy mine, adit level. Sierra County, California. 1924. Plate 18-C, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Kate Hardy Mine, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Outcrop of vein in footwall side of Sixteen to One vein. Sierra County, California. 1924. Outcrop of vein in footwall side of Sixteen to One vein, in road cut near mine office. Drag of slates on hanging wall side indicates reverse movement. Sierra County, California. 1924. Plate 7-B, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Mines, Photographers, Sierra County, California, Sixteen to One Mine, All tags... photo print, Fewer tags Eldorado Mine, adit level. Sierra County, California. 1924. Vein with lower strand showing crinkly banding and strand above containing fragments of altered wall rock, Eldorado Mine, adit level. Along hanging wall in right hand upper corner is breccia containing quartz fragments in a matrix of carbonate and mariposite. Sierra County, California. 1924. Plate 19-B, in U.S.Geological Survey Professional paper 172. 1932 Categories: Image; Tags: Eldorado Mine, Ferguson, H.G. Collection, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Plumbago Mine. Sierra County, California. 1924. Walls of vein due to post-mineral movement, Plumbago Mine, no. 4 level. The quartz is cut by the hanging wall but on the footwall side grades into stringers which are cut off by the footwall fault. Sierra County, California. 1924. Plate 15-B, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Mines, Photographers, Plumbago Mine, Sierra County, California, All tags... photo print, Fewer tags Rainbow Mine, adit level. Sierra County, California. 1924. Altered but unsheared country rock separating quartz strands, Rainbow Mine. Main vein, adit level. Sierra County, California. 1924. Plate 11-C, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Mines, Photographers, Rainbow Mine, Sierra County, California, All tags... photo print, Fewer tags Mine workings in Telluride valley. San Juan Mountains. San Miguel County, Colorado. 1973. Album caption: San Miguel Co, Colo. Index card: Distant view of mine workings in Telluride valley. Town not in view. San Juan Mountains. San Miguel County, Colorado. June 25, 1973. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Carrara P. Collection, Mines, San Miguel County, Colorado, color transparency (slides) Crossover stringers between hanging wall and footwall, Kate Hardy Mine. Sierra County, California. 1924. Crossover stringers between hanging wall and footwall of the lowest level of Kate Hardy Mine. Walls are nearly vertical. Sierra County, California. 1924. Plate 12-B, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Kate Hardy Mine, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Clinton vein, Rainbow Mine. Sierra County, California. 1924. Lenses of quartz in crushed slate along wall of Clinton vein, Rainbow Mine. Sierra County, California. 1924. Plate 13-B, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Clinton vein, Ferguson, H.G. Collection, Mines, Photographers, Rainbow Mine, All tags... Sierra County, California, photo print, Fewer tags Blue Canyon formation near Mammoth Springs Mine. Sierra County, California. 1924. Slate of the Blue Canyon formation near Mammoth Springs mine. Sierra County, California. 1924. Plate 2-B in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Formations, Mammoth Springs Mine, Mines, Photographers, All tags... Sierra County, California, photo print, Fewer tags Eldorado Mine, adit level. Sierra County, California. 1924. Breccia containing quartz cemented by fine-grained quartz, Eldorado Mine, adit level. Breccia lies along hanging wall of vein but extends down into the vein along small fissures. Sierra County, California. 1924. Plate 14-A, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Eldorado Mine, Ferguson, H.G. Collection, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Lenses of quartz and carbonate in crushed slate, Kate Hardy Mine. Sierra County, California. 1924. Lenses of quartz and carbonate in crushed slate, Kate Hardy Mine, adit level, crosscut into hanging wall near shaft. Later movement is shown by fault planes at point of the pick and along the hanging wall. Sierra County, California. 1924. Plate 13-C, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Kate Hardy Mine, Mines, Photographers, Sierra County, California, All tags... photo print, Fewer tags Plumbago Mine. Sierra County, California. 1924. Vein in sharp footwall due to faulting and frozen hanging wall with quartz stringers, Plumbago Mine, no. 4 level. Sierra County, California. 1924. Plate 12-C, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Mines, Photographers, Plumbago Mine, Sierra County, California, All tags... photo print, Fewer tags Myers and Bona turquoise mine. Esmeralda County, Nevada. 1910. Album caption: Myers and Bona turquoise mine; about 15 miles west of Millers, Nev. Tunnel from lowest dump to shaft on right of and below upper dump. 5x7. Esmeralda Co., Nevada. Index card: Myers and Bona turquoise mine; about 15 miles west of Millers. Tunnel from lowest dump to shaft on right of and below upper dump. Esmeralda County, Nevada. ca. 1910. Categories: Image; Tags: Esmeralda County, Nevada, Mines, Photographers, Sterrett, D.B. Collection, photo print Banding in vein along septa of country rock, Sixteen to One Mine. Sierra County, California. 1924. Banding in vein due to shearing, which has taken place chiefly along septa of country rock, Sixteen to One mine. Sierra County, California. 1924. Plate 11-D, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Ferguson, H.G. Collection, Mines, Photographers, Sierra County, California, Sixteen to One Mine, All tags... photo print, Fewer tags Quartz stringers cutting Cape Horn slate, Brush Creek Mine. Sierra County, California. 1924. Quartz stringers cutting Cape Horn slate, Brush Creek Mine, winze in hanging wall. Sierra County, California. 1924. Plate 13-D, in U.S.Geological Survey Professional paper 172. 1932. Categories: Image; Tags: Brush Creek Mine, Cape Horn slate, Ferguson, H.G. Collection, Mines, Photographers, All tags... Sierra County, California, photo print, Fewer tags