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Monday, July 27, 2020 | History

3 edition of Isotopic age studies and tectonic interpretation of superior province in Manitoba found in the catalog.

Isotopic age studies and tectonic interpretation of superior province in Manitoba

I. F. Ermanovics

Isotopic age studies and tectonic interpretation of superior province in Manitoba

by I. F. Ermanovics

  • 246 Want to read
  • 1 Currently reading

Published by Geological Survey of Canada in Ottawa, Ont., Canada .
Written in English

    Places:
  • Manitoba.
    • Subjects:
    • Radioactive dating -- Manitoba.,
    • Geology -- Manitoba.

    • Edition Notes

      StatementIngo F. Ermanovics, R.K. Wanless.
      SeriesPaper / Geological Survey, Canada ;, 82-12, Paper (Geological Survey of Canada) ;, 82-12.
      ContributionsWanless, R. K.
      Classifications
      LC ClassificationsQE185 .A42 no. 82-12, QE508 .A42 no. 82-12
      The Physical Object
      Pagination22 p. :
      Number of Pages22
      ID Numbers
      Open LibraryOL2796833M
      ISBN 100660114038
      LC Control Number83226244

      Study in Manitoba Manitoba has a diverse economy, a low unemployment rate, a vibrant culture, music and arts scene, and plenty of natural beauty. Get a world-class education in leading-edge facilities while maintaining a high standard of living that costs less than other major cities in Canada. The Manitoba Bureau of Statistics (MBS) is a branch within the Finance Research Division with the Department of Finance. The MBS is the government’s central statistics agency, responsible for the compilation, management, analysis, coordination and dissemination of economic, demographic and social statistics for the province of Manitoba.

      In Radiogenic age and isotopic studies: Report 1. Geological Survey of Canada, Paper , pp. 95– Geological Survey of Canada, Paper , pp. 95– Google Scholar. The Superior Craton is a stable crustal block covering Quebec, Ontario, and southeast Manitoba in Canada, and northern Minnesota in the United is the biggest craton among those formed during the Archean period. [1] A craton is a large part of the Earth's crust that has been stable and subjected to very little geological changes over a long time. [2].

      An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio. An illustration of a " floppy disk. Software. An illustration of two photographs. Images. An illustration of a heart shape Donate. An illustration of text ellipses. > Sustainable Development > Research, Data and Maps GeoManitoba was formed on April 1, as part of a department-wide reorganization to assume formal responsibility for the stewardship and evolution of Manitoba's shared geospatial technology and information assets.


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Isotopic age studies and tectonic interpretation of superior province in Manitoba by I. F. Ermanovics Download PDF EPUB FB2

The Superior Craton covers central Canada; it occupies the northern and central part of Quebec, extending across the central and the southern part of Ontario, and also covers southeast Manitoba, with its tip reaching the boundary between the U.S.

states of South Dakota and Minnesota. Tectonic setting. The Archean Superior Craton extends over km 2 of the North American continent. Isotopic age studies and tectonic interpretation of superior province in Manitoba. Ottawa, Ont., Canada: Geological Survey of Canada, (OCoLC) Material Type: Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: I F Ermanovics; R K Wanless.

Northern Superior geochronological programs in the Archean Northwestern Superior Province in Manitoba have provided insight into the nature of the geological components and timing of events that formed the northern flank of the Superior Province about million years ago.

The exciting revelations are still interpretive, and subject to. U-Pb isotopic dating of zircon and titanite from all the major litho-tectonic units of the Batchawana belt, an Archean greenstone belt of the Abitibi Subprovince of the Superior Province in Canada.

At least 12 granulite occurrences, ranging in size from a few 10’s tokm2, are exposed in the Archean Superior Province. Primary lithotectonic subdivision of the Superior Province into linear Cited by: A.

Tectonic analysis of the accretion of the Trans-Hudson Orogen to the Superior Craton from paleomagnetism with geobarometric corrections; in Manitoba Energy and Mines, Geological Services.

A more comprehensive study of whole-rock Rb-Sr isochron analyses of six suites collected from the Snow Lake area reveal age constraints that are all younger than Ga for the age of magmatic.

The Middle and Late Archean rocks of the Superior Province are of mantle and juvenile crustal origin with little evidence of inheritance of components older than ca.

High-grade gneiss. In: Radiogenic age and Isotopic Studies: Report 4, Geological Survey of Canada, Paper Burwash, R.A. A reconnaissance of the subsurface Precambrian of the Province of Alberta, Canada. Rubidium -strontium geochronology in the Superior and Churchill provinces, northern Manitoba Manitoba Department of Energy and Mines, Mineral Resources Division Jan   A) Tectonic scheme of Yilgarn Craton adapted from Witt et al.,Martin et al., B) Terrane map of the Yilgarn Craton contoured for 2-stage depleted-mantle model age (T DM 2) based on the Nd-isotopic compositions of felsic igneous rocks (Smithies et al., ).

Download: Download high-res image (KB) Download: Download full. Precambrian rocks in Manitoba are divided into two provinces. The Superior Province is composed of rocks between 3 to billion years old, and the Churchill Province is composed of rocks between and billion years old.

Ancient detrital zircons from the western Rae and the northwestern Superior Provinces have similar Hf isotopic ratios (Fig.

6, Table 2). The majority of the – Ga zircon grains have negative ϵHf values between −2 and −10 when compared to the CHUR values of Blichert-Toft and Albarède (). This statistic shows the population of Manitoba, Canada inby age and sex. Inthere werefemales 65 years of age and over in Manitoba.

Read more. The test of whether such a loop is warranted will come from pole positions from rocks of the Superior Province in the critical age range ( m.y.).

If the curve were to be constrained by results from other provinces (that is making the assumption that they may be treated together) a different path would result {e.g.

Nairn and Ressetar. The geography of Manitoba addresses the easternmost of the three prairie Canadian provinces, located in the longitudinal centre of Canada.

Manitoba borders on Saskatchewan to the west, Ontario to the east, Nunavut to the north, and the American states of North Dakota and Minnesota to the south. Although the border with Saskatchewan appears straight on large-scale maps, it actually has many.

Manitoba is one of Canada's 10 is the easternmost of the three Prairie provinces. Manitoba's capital and largest city (containing over half its population) is important cities and towns include Brandon, Thompson, Dauphin, Swan River, Churchill, The Pas, Selkirk, Portage la Prairie, Gimli, Flin Flon, Steinbach, Morden, Virden, Minnedosa, Emerson, Lockport, Neepawa.

The geologic province and thermo-tectonic age maps were compiled in to ensure a consistent method of providing values for these two parameters.

The maps depict only features approximately km across and greater due to the fact that the resolution of the maps should be consistent with the resolution of the seismic refraction data.

The timing of Molson Igneous Events in the northwestern part of the Superior Boundary Zone has been investigated for over two decades because it has importance for understanding the tectonic evolution of this convergent margin during the ∼– Ga closure of the Manikewan Ocean (Symons and Harris, ).Furthermore, much of the Ni–Cu mineralization in the Superior Boundary.

August 6, - Province Renews Funding to Help Ensure Safe and Caring Learning Environments August 6, - COVID Bulletin # August 5, - COVID Bulletin #. To live in Canada is affordable, especially in Manitoba where housing prices is amongst the most affordable in all of Canada.

Manitoba borders between Saskatchewan and Ontario, creating easy access between two of Canada's most visited and popular province’s. Did you know? Winnipeg is Manitoba's world class capital city.Manitoba Worksheets. This is a fantastic bundle which includes everything you need to know about Manitoba across 21 in-depth pages.

These are ready-to-use Manitoba worksheets that are perfect for teaching students about the Manitoba which is a Canadian province bordered by Ontario to the east and Saskatchewan to the west. Its landscape of lakes.Tectonic interpretation of 40Ar/39Ar ages on country rocks from the Central Sector of the Río Negro-Juruena Province, Southwest Amazonian Craton: Int.

Geology Review: Betts et al. () Betts, P.G., Giles, D., Lister, G.S. Tectonic environment of shale-hosted massive sulfide Pb-Zn-Ag deposits of Proterozoic northeastern.