Geology
Found in 6 Collections and/or Records:
Homestake Geology Department Papers
The Homestake Geology Department Papers consist of documents, rock samples, and thin sections from 1903 to 2005. Materials include geologic, stope, diamond drilling maps and drawings; reports, correspondence, ledgers, and indexes that represent the functions and activities of the Geology Department.
MT5-009 -- Geologic Map of Northern Black Hills, Southern Half of Lead Quadrangle, 1966-09
Drawn by: W.M., S.N.
Scale: 1" = 1000 feet
The map portion of this is missing. What is available is the index and title of the Geochemical Survey.
Plate 4A
MT5-009 -- Geologic Mapping in the Grizzly Gulch Tailings Reservoir Area, Lawrence County, South Dakota
Scale: 1" = 200'
Countour Interval: 10'
Drawing contains a key of Explanations. The map has been hand colored.
MT5-009 - Geologic Sections Looking North Across the Rochford Anticline, 1972-05
Scale: 1" = 2000'
Drawing has five sections labeled as "45,000 S.", "55,000 S.", "65,000 S.", "75,000 S.", and "85,000 S." The map includes a legend and it is hand colored.
Plate 2.
MT5-009 -- Quartz Vein - Vertical Cross Section, 1972-09
Scale: 3 inches = 5 feet
Drawing features an area with a Chlorite-Pyrrhotite Zone, and a Arsenopyrite Zone. There are small cirlces that are identified as test holes. The drawing is hand colored.
Tom and Melissa Campbell Collection
The Tom and Melissa Campbell Collection consists of published and technical reports, survey worksheets, drill logs, thin sections, maps, and electronic records. The materials were gathered while the Campbells worked on the creation of the Homestake Data Archive and the Homestake Core Archive.