Browsing by Subject "2007 Precambrian Field Camp"

Now showing 1 - 5 of 5
  • Thumbnail Image
    Item
    2007 Precambrian Field Camp Capstone Mapping Projects Map
    (2007) University of Minnesota Duluth. Precambrian Research Center
    This map shows the locations of the capstone mapping projects for the 2007 Precambrian Field Camp sponsored by the Precambrian Research Center. It also indicates who participated in which project.
  • Thumbnail Image
    Item
    Bedrock Geology Map of Homer Lake and Adjacent Areas: Cook County, Northeastern Minnesota
    (2007-08) Frost, Shelby; Juda, Natalie A; Miller, James
  • Thumbnail Image
    Item
    Bedrock Geology Map of the Cavity Lake Fire Area: Cook County, Northeastern Minnesota
    (2007-08) Costello, Daniel E; Gál, Benedek; Hoaglund, Steven Arthur; Putz, Amanda J; Jirsa, Mark A
    This map is the result of three and a half days of mapping in the Cavity Lake burn area on Gabimichigami Lake. It is the third map in a series of maps produced by the Precambrian Research Center Field Camp for the summer of 2007. The mapping area included portions of the Ogishkemuncie Lake and Gillis Lake U.S.G.S. 7.5' Quadrangles. Mapping was performed primarily on Gabimichigami Lake,and extended north to Agamok Lake and east to Howard Lake and Peter Lake. The field area was split into two study areas: the basal contact of the Duluth Complex (Tuscarora intrusion),and the structural elements of the meta-sediments associated with the collapse of an Archaean caldera. The area was previously mapped by Gruner in 1938 in a large-scale regional mapping project of the structural geology of the Knife Lake area of north-eastern Minnesota. The purpose of this mapping was two-fold: 1) a capstone project for field camp students that provided hands on geologic experience in a serene wilderness setting, and 2) to assist in the larger goal of the state of Minnesota to remap the Boundary Waters Canoe Area.
  • Thumbnail Image
    Item
    Bedrock Geology Map of the Footwall of the Soudan Iron Formation South of Twin Lakes, St. Louis County, Northeastern Minnesota
    (2007-08) Moosavi, Sadedin; Johnson, Tom; Wendland, Corey; Anderson, Ashley; Hudak, George J
    This map is one of four maps produced from the capstone project of the Precambrian Research Center Field Mapping Course during the summer of 2007. Publication of this map is the beginning of a planned series of detailed maps of the Precambrian Crustal Terrain of northeastern Minnesota. Efforts to obtain this map information were conducted in association with the University of Minnesota-Duluth, Precambrian Research Center and the Natural Resources Research Institute. Such mapping will help aid in the exploration for VMS-style mineralization deposits as well as provide a better understanding of the Twin Lakes supracrustal volcanic stratigraphy. Prior to this project, the geology of the Twin Lakes area was inferred from other published maps. The first of these publications describing the geology in the Twin Lakes area was included in the larger scale regional map of the Lower Ely Greenstone Member, (Sims and Southwick, 1985). Additional mapping and compilation of exploratory data collected by Bear Creek Mining (during the 1960's) was included in a later publication compiled by D. Peterson and M. Jirsa, 1999. Recent mapping by the authors was concentrated in the Twin Lakes region at a scale of 1:5000. The authors mapped 300 outcrops in an area covering approximately 260 hectares south of Twin Lakes. The authors believe that further geological studies (i.e. additional field mapping, petrographic studies, and lithogeochemical studies) should be completed to better constrain the geological and geochemical processes that occurred during the evolution of both the supracrustal and intrusive strata in the Twin Lakes area. Such studies will assist in unambiguously determining the correlations between the geology of the western and eastern parts of the Vermillion District.
  • Thumbnail Image
    Item
    Geological Map of the Nickel Lake Macrodike and Northern Bald Eagle Intrusion: Lake County, Northeastern Minnesota
    (2007-08) Tharalson, Erik; Sweet, Gabriel; Boisjoli, Troy; Lentz, Brian; Fellows, Tyler; Peterson, Dean M
    This map is the result of seven days of field mapping by the authors in 2007, as well as a compilation of information gathered from Green, Phinney and Weiblen (1966) and Peterson et. al (2006). This map was created by PRC Field Camp students under the supervision and guidance of Dr. Dean Peterson, NRRI Senior Research Associate, as the first map of the Precambrian Research Center’s Summer Field Camp. The purpose of this map is to aid understanding the nature of the Nickel Lake Macrodike and its pertinence to Cu-Ni-PGE mineralization in the South Kawishiwi Intrusion [SKI]. Additionally, this map will extend the range of Dr. Peterson’s ongoing project to map in the northern half of the SKI. Access to the 641 outcrops mapped for this project was provided by extensive canoe shoreline mapping and traverses in the bush of the Superior National Forest. Initial mapping of the Gabbro Lake and Bald Eagle Lake area was done on a 1:5,000 or 1:10,000 scale and reduced for this map to 1:10,000. Previous mapping of the Gabbro Lake area was done at a scale of 1:31,680 (Green et. al, 1966) and was limited shoreline traverses. The field work performed for this map was the first detailed mapping of the area.