Browsing by Subject "2010 Precambrian Field Camp"

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    2010 Precambrian Field Camp
    (2010-08) University of Minnesota Duluth. Precambrian Research Center
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    2010 Precambrian Field Camp Capstone Mapping Projects Map
    (2010) University of Minnesota Duluth. Precambrian Research Center
    This map shows the locations of the capstone mapping projects for the 2010 Precambrian Field Camp sponsored by the Precambrian Research Center. It also indicates who participated in which project.
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    Bedrock Geologic Map of Ogishkemuncie Lake, Boundary Waters Canoe Area, Lake County, Northeastern Minnesota
    (2010-08) Birkemeier, R; Boley, T; Brannan, B; Doucette, R; Jirsa, Mark J; Lee, A
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    Bedrock Geology Map of Jack Lake and Weird Lake Areas, Cook County, Northeastern Minnesota
    (2010-08) Brooker, Ben P; Hadley, Max L; Markwood, Levi W; Olson, Jeffrey; Tomlinson, Alexander P; Miller, James
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    Bedrock Geology Map of Kadunce River and Surrounding Area: Cook County, Northeastern Minnesota
    (2010-08) Carlson, Eric J; Holton, Corey J; Kubitza, Kyle W; Mulvey, Lucy; Scheurer, Eric; Boerboom, Terrence J
    This map was created between August 2nd-12th, 2010 by students of the University of Minnesota-Duluth. The project was completed under the supervision of the Precambrian Research Center as well as the Minnesota Geologic Survey. Mapping was carried out between the 2nd and 7th of August, 2010 in the Kadunce quadrangle of Cook County. Compilation of the map took place between the 9th-12th of August, 2010 at the Geology Department of the University of Minnesota-Duluth.
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    Reconnaissance Bedrock Geological Map of the Northern Part of Soudan Underground Mine State Park and the Northwestern Part of Lake Vermilion State Park, St. Louis County, Minnesota
    (2010-08) Radakovich, Amy L; Parent, Charlie T; Patridge, Molly E; Ritts, Andrew D; Pierce, Rita; Hudak, George J
    The geologic data in this map was compiled over a six day period in August 2010. Mapping was conducted at a 1:5000 scale. Field access was accomplished by hiking and canoeing. Field locations were verified using geographic positioning systems set to measure in the Universal Transverse Mercator North American Datum of 1983 (NAD83). This project was conducted to create a geologic reconnaissance map for the northern part of Soudan Underground Mine State Park and the Lake Vermilion State Park. Geological interpretations and structural measurements south of the Limit of NUSEL mapping line were obtained from Peterson & Patelke, 2003.
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    Surface and Subsurface Geologic Maps of the Soudan Underground Mine State Park, St. Louis County, Northeastern Minnesota
    (2010-08) Vallowe, Alexandra M; Thalhamer, Ernest J; Rhoades, Damon L; Peterson, Dean M
    These maps were created by Precambrian Research Center field camp students under the guidance of Dr. Dean Peterson of the University of Minnesota, Duluth. The purpose of these maps is to provide Soudan Underground- Mine State Park with an updated geological map of the surface and subsurface geology of the Soudan Mine in northeastern Minnesota for use in geologic tours and scientific research. These maps are the result of five days field mapping by the authors in August 2010. Surface geology was mapped for several hours in the afternoon over a period of five days. The authors worked as individuals to cover the mapping area. The authors recorded notes and observations, collected samples, took structural measurements (bedding orientations, lineation, foliation), and plotted data on a field map. Location was determined using a handheld GPS unit, and structural measurements were taken using a Brunton Pocket Transit. Surface outcrops were exposed by peeling back moss layers and sweeping up remaining soils with wisk brooms. Open pits and other “man-made” exposures were also available within the mapping area, but with limited access. The surface bedrock map (Map 1) displays sheared rocks composed of chlorite (5c) and sericite schists (5s), intrusive rocks such as granite (Gr) and quartz feldspar porphyry (Qfp), and the Upper Sequence rocks which include oxide facies iron formation (4a), lapilli tuff (2e), and greywacke (3a). The surface map also shows two major shear zones which are truncated by the Soudan fault to the east, as well as a minor shear zone. Our assumptions and interpretations of the surface field data were influenced by previously existing map data. Information from Peterson and Patelke’s 2003 surface map, as well as historical drill core data (circa 1954) from the Oliver Mining Division of US Steel Corporation was incorporated into building the final map. The geology of the 27th level west drift was mapped by the authors over a period of five nights. The authors worked as a team to locate contacts, collect samples, take structural measurements (cleavage, lineation, fault orientations, etc.), record notes and observations, and plot important features on a field map. Geologic information from horizontal drill holes were used to interpret the geology adjacent to the drift. Locations in the mine were determined by measuring tape. Structural data were measured using a Brunton Pocket Transit; there was no deviation of local magnetic field observed. In contrast to the surface mapping, the drift provided complete outcrop exposure with rare exceptions where the drift walls and ceilings were obscured by pipes and other man-made structures. The drift map (Map 2) includes rock units that correlate to units on Map 1, however, there are two below ground units, gabbro (Gb) and fragmented schist (5f), that do not show a surface expression. Map 2 includes the geology of the 27th level east drift which was previously mapped by Peterson and Patelke (2003). Map 2 also includes annotations by the authors which indicate the locations of significant drift features that may be relevant for mine employees, visitors, and scientists.