Geology and ore deposits of the Breckenridge district, Colorado / by Frederick Leslie Ransome.
- 1 of 1 copy available at Evergreen Indiana.
0 current holds with 1 total copy.
|Location||Call Number / Copy Notes||Barcode||Shelving Location||Status||Due Date|
|Indiana State Library - Indianapolis||ISLM p.d. 550 Un58p no. 75 (Text)||901084-2016||General Federal documents||Available||-|
- Physical Description: 187 pages : illustrations, maps (some folded).
- Publisher: Washington : Government Printing Office, 1911.
|Formatted Contents Note:|| Outline of report -- Introduction -- Pre-Cambrian and sedimentary rocks -- Petrography of the igneous rocks -- Structure of the district -- Quaternary deposits -- Mineralogy -- Metamorphism -- The primary ore deposits in general -- Veins of the zinc-lead-silver-gold series -- Stockworks and veins of the gold-silver-lead series -- The Farncomb Hill gold veins -- Veins in the pre-Cambrian rocks and other deposits not described in the preceding chapters -- Some additional features of the deposits as a whole and their bearing on ore genesis -- Gold placers -- The geologic past and the economic future of the Breckenridge district -- Index.
Plate 1. Geologic map of the Breckenridge district, Colorado -- Plate 2. Map showing topography and mining claims in the Breckenridge district, Colorado.
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|Subject:||Geology > Colorado.
Ore deposits > Colorado.
Gold mines and mining > Colorado.
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- Professional paper / Department of the Interior, United States Geological Survey ; 75
- Professional paper (Geological Survey (U.S.)) ; no. 75.