Geology of the Duluth Gabbro Complex near Duluth, Minnesota by Taylor, Richard B.

Cover of: Geology of the Duluth Gabbro Complex near Duluth, Minnesota | Taylor, Richard B.

Published by Minnesota U.P., Oxford U.P. in London .

Written in English

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Edition Notes

Book details

Statementby Richard B. Taylor.
SeriesMinnesota Geological Survey : Bulletins -- no.44
The Physical Object
Pagination63p. :
Number of Pages63
ID Numbers
Open LibraryOL18964848M

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Geology of the Duluth gabbro complex near Duluth, Minnesota, (Minnesota Geological Survey. Bulletin) [Taylor, Richard B] on *FREE* shipping on qualifying offers. Geology of the Duluth gabbro complex near Duluth, Minnesota, (Minnesota Geological Survey.

Bulletin)Author: Richard B Taylor. Geology of the Duluth Gabbro Complex near Geology of the Duluth Gabbro Complex near Duluth, Minnesota (Minnesota Geological Survey. Bulletins;no) [R. B Taylor] on *FREE* Minnesota book on qualifying : R.

B Taylor. Multiple intrusions at Duluth, Minnesota, form a rock series that is here called the Duluth Gabbro Complex. Each of the principal rock types transgresses one or more of the older units.

The oldest rock, a coarsegrained anorthositic gabbro that was intruded into the Keweenawan flows, makes up the upper part of the by: Open Library is an open, editable library catalog, building towards a web page for every book ever published.

Geology of the Duluth gabbro complex near Duluth, Minnesota. Open Library is an open, editable library catalog, building towards a web page for every book ever published.

Geology of the Duluth gabbro complex near Duluth, Minnesota by Richard Bartlett Taylor, unknown edition. Additional Physical Format: Online version: Taylor, Richard B. (Richard Bartlett). Geology of the Duluth gabbro complex near Duluth, Minnesota. Minneapolis, University of Minnesota Press, Geology of the Duluth Gabbro Complex near Duluth, Minnesota.

By Richard B. Taylor. Abstract. One map insert as pdf, scale ,Multiple intrusions at Duluth, Minnesota, form a rock series that is here called the Duluth Gabbro Complex. Each of the principal rock types transgresses one or Author: Richard B.

Taylor. The Duluth Complex and related intrusive rocks in northeastern Minnesota comprise the largest intrusive component of the Ga Midcontinent Rift. The km-long Midcontinent Rift is an arcurate-shaped intracontinental rift that can be traced geophysically from its exposure in the Lake Superior region (Fig.

1) to the southwest as far as. Outcrops of the Duluth Gabbro Complex can be visited to the west of Mesaba Ave Westward. Some places to look are along Skyline Parkway near Twin Ponds and Enger Tower, or along Knowlton Creek, Keene Creek, Kinsgbury Creek.

World Class Ores of the Duluth Complex #1 or 2 in contained Copper #2 in contained PGE #3 in contained Nickel Compared to other Magmatic Sulfide Deposits, the Duluth Complex is: Only the Bushveld, Great Dyke (PGE deposits) and Noril’sk contain more PGE From Peterson, The largest and most important of the layered intrusions is the Duluth Complex, a composite intrusion of troctolite and gabbro derived from periodic tapping of an evolving magma source.

In the waning stages of rifting, the principal rock types deposited in the rift shifted gradually. Click to read more about Geology of the Duluth Gabbro Complex near Duluth, Minnesota, Minnesota Geological Survey Bulletin 44 by Richard B.

Taylor. LibraryThing is a cataloging and social networking site for booklovers. The Duluth Complex, the related Beaver Bay Complex, and the associated North Shore Volcanic Group are rock formations which comprise much of the basement bedrock of the northeastern part of the U.S. state of Minnesota in central North America.

The Duluth and Beaver Bay complexes are intrusive rocks formed about billion years ago during the Midcontinent Rift; these adjoin and are.

Geology of the Duluth Gabbro Complex near Duluth, Minnesota, (Minnesota Geological Survey. Bulletin 44): R B Taylor: Books - or: R B Taylor. The Duluth gabbro complex is a large sill‐like, composite intrusive consisting of mafic igneous rocks.

It crops out within the city of Duluth, Minnesota, and extends for about miles in a northeasterly direction west of Lake by: The basal phases of the Duluth gabbro near Gabamichigami Lake, Minnesota, and its contact effectsCited by: 4.

The photo at the left shows the skyline of Duluth from the "Copper Top Church". The high ground rock formations are gabbro, part of the Duluth ing to Dr. Annexstad the gabbro is more resistant to erosion than the country rock of basalt so it remains in place where the.

Geologic map and sampling locations near mineral deposits associated with the Duluth Complex in northern Minnesota. Details. Image Dimensions: x Date Taken: (approx.) Location Taken: MN, US. Source. 2 MINNESOTA GEOLOGICAL SURVEY RI9 Introduction The minute geologic map of the Gabbro Lake quadrangle, pub­ lished as Miscellaneous Map M-2 of the Minnesota Geological Survey (Green, Phinney, and Weiblen, ), lies at the base of the Duluth Complex, approximately at the mid-point of the lmile -lon,g north­ west perimeter (fig.

Duluth Gabbro Duluth intrusion Duluth intrusive complex The Duluth Complex, the related Beaver Bay Complex, and the associated North Shore Volcanic Group are rock formations which comprise much of the basement bedrock of the northeastern part of the U.S. state of Minnesota. GEOLOGIC MAP OF EAST-CENTRAL MINNESOTA (including Duluth, Stillwater, and parts of St.

Cloud and Brainerd Geologic Map Sheets, folded,$ 5 Minnesota Miscellaneous Publications Boese, D. / JOHN C. GREENWAY AND THE OPENING OF THE WESTERN MESABI, Grand Rapids,cl, pages, - 3 - $ Duluth Gabbro, Minnesota, USA: [= Duluth Complex?] The most common minerals on earth Information for Educators Mindat Articles The Elements Books & Dahlberg, E.

An overview of the geology and oxide, sulfide, and platinum-group element mineralization along the western and northern contacts of the Duluth Complex. Special. The Duluth Complex and associated subvolcanic intrusions comprise a large (5, km 2) intrusive complex in northeastern Minnesota that was emplaced into comagmatic volcanics during the development of the Ga Midcontinent rift in North addition to anorthositic and felsic intrusions, the Duluth Complex is composed of many individual mafic layered intrusions of tholeiitic Cited by: in the Duluth Complex, Near Babbitt, Minnesota: M.S.

thesis, Univ. Minnesota, pp. of Structural Geology of the Duluth Complex to Economic Mineralization: Minn. Dept.

Nat. H., and Malicsi, A.S.,Platinum group and arsenide minerals in copper-nickelsulfide bearing Duluth gabbro and their flotation recoveries: Society ofMinin~En.

Check out the Geology of the Duluth Gabbro Complex near Duluth, Minnesota. Map published by the Minnesota Geological Survey. USGS HOME: CONTACT USGS: SEARCH USGS: Home Catalog Lexicon MapView New Mapping Standards Comments.

National Geologic Map Database Product Description Page. General Information. Title: Geology of the Duluth Gabbro Complex. PP / QUATERNARY GEOLOGY OF MINNESOTA AND PARTS OF ADJACENT STATES,afb, pages, 5 plates (4 in pocket), 24 figs., $ 75 RI / EXTRACTING OF COPPER AND NICKEL FROM THE DULUTH GABBRO COMPLEX BY SELECTIVE HIGH-TEMPERATURE SULFATIZATION, MINNESOTA, pb, $ 14 Mineralogy Books Select Mineral Books Rock, Gem, and Mineral Books.

Duluth Gabbro Complex-Geology @1d Mineralogy Geology Copper-nickelnrlneralizatlon in the Duluth Gabbro of northeastern Minnesota has been!mown for more than 90 years with early estimates of six million tons of ore assaying at least o.

5% combined copper-nickel. Recent estimates (Eonnichsen, II) show that the deposits in the Ely. Duluth complex in the Gabbro Lake quadrangle, Minnesota.

Minneapolis: University of Minnesota, (OCoLC) Material Type: Government publication, State or province government publication: Document Type: Book: All Authors / Contributors: William C Phinney.

Reference: Taylor, R. () Geology of the Duluth Gabbro Complex near Duluth, Minnesota: Minn. Geol. Surv. Bull. 44, 63 p. List of minerals arranged by Strunz 10th Edition classification Group 9. Minnesota’s Vast Mineral Resources. The Duluth Complex in Minnesota is one of the largest undeveloped mineral deposits in the world.

The more than 4 billion tons of copper, nickel and precious metals have been here for millions of years, and we’ve known about them for more than Geology of the Duluth Gabbro Complex near Duluth, MinnesotaFrench, Bevan M., Bulletin No.

Progressive Contact Metamorphism of the Biwabik Iron-fomation, Mesabi Range, Minnesota. Plagioclase banding in the Duluth Gabbro, Thomson Hill Rest Area, Duluth, St.

Louis County, Minnesota. Description: Plagioclase banding (whitish bands) in an outcrop of the Duluth Gabbro at Thomson Hill Rest Area, Duluth, St. Louis County, Minnesota. Chronostratigraphy: Late Proterozoic, Keweenawan. Lithostratigraphy: Duluth Complex, Duluth Gabbro.

The geology of Minnesota comprises the rock, minerals, and soils of the U.S. state of Minnesota, including their formation, development, distribution, and condition.

The state's geologic history can be divided into three periods. The first period was a lengthy period of geologic instability from the origin of the planet until roughly 1, million years ago. P Wetlegs area - Duluth Complex, gabbro rocks P Duluth Harbor P West Duluth, Duluth Gabbro P North Shore Mining, Silver Bay MN P Lake Superior North Shore P The Mouth of the Lester River P Thomson Dam & Jay Cooke State Park P Lake Agassiz P St.

Cloud Granite P River Warren. At the northeast terminus of the Mesabi Iron Range near Babbitt, the Biwabik Iron Formation and other units of the Animikie Group are abruptly truncated by gabbroic rocks of the Duluth Complex ().The coarse-grained igneous rocks of the Duluth Complex formed by the slow cooling and crystallization of mafic (dark colored) magmas that were intruded into subvolcanic chambers during a phase of Cited by: Richard B.

Taylor (1) This page covers the author of Geology of the Duluth Gabbro Complex near Duluth, Minnesota, Minnesota Geological Survey Bulletin For other authors named Richard B.

Taylor, see the disambiguation page. Outcrop of Duluth Gabbro, Thomson Hill Rest Area, St. Louis County, Minnesota. Description: Outcrop of Duluth Gabbro (Complex) containing banded plagioclase zones, Thomson Hill Rest Area, Duluth, Minnesota.

Taylor RB () Geology of the Duluth Gabbro Complex near Duluth, Minnesota. Minn Geol Surv Bull 63 Google Scholar Tyson RM, Chang LLY () The petrology and sulfide mineralization of the Partridge River troctolite, Duluth Complex, by: 9.

Report Relationship of Structural Geology of the Duluth Complex to Economic Mineralization: A final Report to the Minnesota Department of Natural Resources (Resides in Hibbing, MN) ( pages, x 11 inches, 5 MB) Authors: T.B. Holst, E.E. Mullenmeister, V.W.

Chandler, J.C. Green, P.W. Weiblen. A tourist destination for the Midwest, Duluth features the United States' only all-freshwater aquarium, the Great Lakes Aquarium; the Aerial Lift Bridge, which spans the Duluth Ship Canal into the Duluth–Superior Harbor; and Minnesota Point (known locally as Park Point), the world's longest freshwater baymouth bar, Country: United States.

FROM THE DULUTH COMPLEX, MINNESOTA Michael Ginsbach North Dakota State University Geology Petrology. Table of Contents Mostly gabbro and granite Two locations in Duluth Complex Near Bogberry Lake.Surficial geology and geomorphology of the Duluth, Minn., area (from University of Minnesota–Duluth Geology Department and others, ).

Land cover in the Duluth area consists of a mix of mainly urban land (developed/barren), forest, and shrub (Minnesota Department of Natural Resources, Division of Forestry, ) (fig. 6).Geologic unit & age: troctolitic series, Duluth Complex, late Mesoproterozoic, Ma.

Locality: roadcut next to parking lot for the Thomson Hill Information Center (= rest stop) along Skyline Parkway, northern side of Interst just west of the Rt. 2-Interstate 35 intersection, west of Duluth, Minnesota.

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