674 research outputs found
M-031 Reconnaissance geologic map of Pine Mountain quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-031 Reconnaissance geologic map of Pine Mountain quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59937
M-033 Reconnaissance geologic map of Alice Lake quadrangle, Lake County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-033 Reconnaissance geologic map of Alice Lake quadrangle, Lake County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59939
M-032 Reconnaissance geologic map of Lima Mountain quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-032 Reconnaissance geologic map of Lima Mountain quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59938
M-027 Reconnaissance geologic map of Kelso Mountain quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-027 Reconnaissance geologic map of Kelso Mountain quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59933
M-030 Reconnaissance geologic map of Cherokee Lake quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-030 Reconnaissance geologic map of Cherokee Lake quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59936
M-026 Reconnaissance geologic map of Beth Lake quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-026 Reconnaissance geologic map of Beth Lake quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59932
M-034 Reconnaissance geologic map of Lake Polly quadrangle, Lake and Cook Counties, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-034 Reconnaissance geologic map of Lake Polly quadrangle, Lake and Cook Counties, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59940
M-028 Reconnaissance geologic map of Eagle Mountain quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.. (1977). M-028 Reconnaissance geologic map of Eagle Mountain quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59934
M-029 Reconnaissance geologic map of Brule Lake quadrangle, Cook County, Minnesota
No full textScale 1:24,000.Davidson, D.M. Jr.; Burnell, J.R.. (1977). M-029 Reconnaissance geologic map of Brule Lake quadrangle, Cook County, Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/59935
Guidebook 9. Field Trip Guidebook for Stratigraphy, Structure and Mineral Resources of East-Central Minnesota
No full textPrepared for the 25th Annual Meeting of THE INSTITUTE ON LAKE SUPERIOR GEOLOGY and THE GEOLOGICAL SOCIETY OF AMERICA, NORTH-CENTRAL SECTION Duluth, Minnesota, 1979, 41 p.
SPECIAL PAPERS: Morey, G.B., Stratigraphic and tectonic
history of east-central Minnesota; and Davidson, D.M., Jr., Some
structural attributes of Lower and Middle Precambrian rocks,
Carlton and Pine Counties, Minnesota.Early in the 20th century, east-central Minnesota became the source of appreciable quantities of iron and ferromanganese, and even earlier, the source of a variety of granite products (Morey, 1977). Because of the obvious economic importance of the commodities to the state, most of the geologic work in east-central Minnesota focused on the Cuyuna iron-mining district or on the St. Cloud area where there are numerous granite quarries. Less attention was given to the geology of other parts of east-central Minnesota and to the possible presence of other mineral resources. This was true mainly because a fairly ubiquitous mantle of Quaternary materials made it difficult, time consuming and expensive for a company to establish the basic geologic information necessary to a successful exploration program. However, recent geologic work (Morey, 1978) has led to the recognition of several geologic environments that are similar to mineral-producing districts elsewhere in the world (Morey, 1977). Although these studies have shown that a variety of mineral occurrences may exist, most attention to date has focused on environments that may contain uranium. This road log starts at the Minnesota-Wisconsin border along the st. Louis River near Fond du Lac, the westernmost suburb of Duluth, Minnesota, and terminates near Sturgeon Lake on U.S. Interstate Highway 35 some 50 miles southwest of Duluth. Note that the mileages in this road log are approximate.Morey, G.B.; Davidson, D.M. Jr. (1979). Guidebook 9. Field Trip Guidebook for Stratigraphy, Structure and Mineral Resources of East-Central Minnesota. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/58585
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