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2 edition of Sedimentology of the middle Pre-cambrian Thomson Formation, east-central Minnesota found in the catalog.

Sedimentology of the middle Pre-cambrian Thomson Formation, east-central Minnesota

G. B. Morey

Sedimentology of the middle Pre-cambrian Thomson Formation, east-central Minnesota

by G. B. Morey

  • 69 Want to read
  • 1 Currently reading

Published by University of Minnesota in Minneapolis .
Written in English

    Places:
  • Minnesota.
    • Subjects:
    • Geology, Stratigraphic -- Precambrian.,
    • Petrology -- Minnesota.

    • Edition Notes

      Statement[by] G. B. Morey and Richard W. Ojakangas.
      SeriesMinnesota Geological Survey. Report of investigations, 13, Report of investigations (Minnesota Geological Survey) ;, 13.
      ContributionsOjakangas, Richard W., joint author.
      Classifications
      LC ClassificationsQE127 .A25 no. 13, QE653 .A25 no. 13
      The Physical Object
      Paginationiv, 32 p.
      Number of Pages32
      ID Numbers
      Open LibraryOL5029300M
      LC Control Number73635735

      Sedimentology of the Precambrian formations in eastern and northern Finland. Espoo: Geologian tutkimuskeskus, (OCoLC) Material Type: Conference publication: Document Type: Book: All Authors / Contributors: Kauko Laajoki; Juhani Paakkola; International Geological Correlation Programme. Project 'Precambrian Exogenic Processes.'. Sedimentology of late Pleistocene (Laurentide) Thomson, S.A., Glacial sediments and landforms of Holderness, eastern England: A glacial depositional model for the North Sea Lobe of the British–Irish Ice Sheet. Development of end moraines in east‐central Baffin Island.

      Sedimentology and ichnology of the Middle Triassic (Anisian) Sunset Prairie Formation of the Western Canada Sedimentary Basin Bulletin of Canadian Petroleum Geology Sedimentological and stratigraphic characterization of Cretaceous upper McMurray deposits in the . Correlation of Precambrian Rocks of the Lake Superior Region, United States by Morey, G B and a great selection of related books, art and collectibles available now at

      Elsevier's Developments in Sedimentology book series is designed to provide a comprehensive source of detailed information on all aspects of series encompasses research into sediments and sedimentary rocks. Topics include analytical techniques to regional or geodynamical aspects of sedimentary systems and basin analysis; subsurface analysis of sedimentary sequences. Sedimentology encompasses the study of modern sediments such as sand, silt, and clay, and the processes that result in their formation (erosion and weathering), transport, deposition and diagenesis. Sedimentologists apply their understanding of modern processes to interpret geologic history through observations of sedimentary rocks and sedimentary structures.


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Sedimentology of the middle Pre-cambrian Thomson Formation, east-central Minnesota by G. B. Morey Download PDF EPUB FB2

SEDIMENTOLOGY OF THE MIDDLE PRECAMBRIAN THOMSON FORMATION, EAST-CENTRAL MINNESOTA by G. MOREY and RICHARD W. OJAKANGAS ABSTRACT The Thomson Formation is exposed in parts of Carlton, Pine, and southern St. Louis Counties of east-central Minnesota. The formation was folded and.

Sedimentology of the middle Pre-cambrian Thomson Formation, east-central Minnesota. Minneapolis, University of Minnesota, (OCoLC) Document Type: Book: All Authors / Contributors: G B Morey; Richard W Ojakangas.

Abstract The Thomson Formation is exposed in parts of Carlton, Pine, and southern St. Louis Counties of east-central Minnesota. The formation was folded and metamorphosed during the Penokean orogeny 1, million years ago, but primary sedimentary textures and structures are well-preserved in the Cloquet-Carlton by: The Thomson Formation is exposed in parts of Carlton, Pine, and southern St.

Louis Counties of east-central Minnesota. The formation was folded and metamorphosed during the Penokean orogeny 1, million years ago, but primary sedimentary textures and structures are well-preserved in the Cloquet-Carlton : G.B.

Morey and Richard W. Ojakangas. #13 Morey G. and Ojakangas R. SEDIMENTOLOGY OF THE MIDDLE PRECAMBRIAN THOMSON FORMATION EAST-CENTRAL MINNESOTA wps, ex. of the Middle Precambrian stratified rocks in east-central Minnesota.

• • •. 26 8. Stratigraphic correlation and nomenclature of the Middle Precambrian sedimentary rocks in Minnesota and southern Ontario • • • 35 9.

Generalized geologic map of Minnesota showing the distribution of the Thomson Formation •. 41 in the Middle Precambrian Thomson Formation, Minnesota: Canadian Journal of Earth Sciences, v. 19, p.Sedimentology of the Middle Precambrian Thomson Formation, east-central Minnesota: Minnesota Geological Survey Report of Investigati 32 p.

GEOLOGIC SETTING The Early Proterozoic Thomson Formation is exposed in east-central Minnesota (Fig. 1), and is thought to be correlative with other rock units of the Animikie Group which overlie the banded iron formations of the Cuyuna, Gunflint, and Mesabi ranges (Morey ).

Geology and sedimentology of the Paleoproterozoic Animikie Group: The Pokegama Formation, the Biwabik Iron Formation, and Virginia Formation of the eastern Mesabi Iron Range and Thomson Formation.

Thomson Formation, east-central Minnesota: Minnesota Geological Survey Sedimentology and provenance of the early Proterozoic. Stratigraphic framework of Middle Precambrian rocks in. Anisotropy of magnetic low-field susceptibility (AMS) and anisotropy of anhysteretic susceptibility (AAS) of the middle Precambrian Thomson formation, east-central Minnesota, generally record structural features, but orientations and axial ratios of the susceptibility ellipsoids depend on local magnetic mineralogy.

Thomson Formation, east-central Minnesota: Minnesota Geological Survey. Sedimentology of the Middle Precambrian Thomson Formation, east-central Minnesota. Article. Morey. Evidence for multiple deformation during the Penokean Orogeny in the Middle Precambrian Thomson Formation, Minnesota Article in Canadian Journal of Earth Sciences 19(10) February   MOREY G.

() Stratigraphie framework of Middle Pre- cambrian rocks in Minnesota. In Hwonian Stratigraphy and Sedimentation (ed. YOUNG), pp. Geol. Association of Canada Spec. Paper MOREY G. and OJAKANGAS R. () Sedimentology of the mi4dle Precambrian Thomson Formation, east-cen- tral Minnesota.

Purchase Sedimentary Basins and Petroleum Geology of the Middle East - 1st Edition. Print Book & E-Book. ISBN  The first evidence for Cambrian glaciation is provided by two successions on the Avalon microcontinent.

The middle lowest Cambrian (middle Terreneuvian Series and Fortunian Stage–Stage 2 boundary interval) has an incised sequence boundary overlain by a fluvial lowstand facies and higher, olive green, marine mudstone on Hanford Brook, southern New Brunswick.

Sedimentology of the middle Precambrian Thomson Formation, east-central Minnesota Report of Investigations - Minnesota Geological Survey Kissin, S.A.; Vallini, D.A.; Addison, W.D.; Brumpton, G R,New zircon ages from Gunflint and Rove formations, northwestern Ontario: Proceedings and Abstracts - Institute on Lake Superior.

The Precambrian rocks of the McGrath Gneiss, the Denham Formation and the Thomson Formation have been studied in outcrop and thin section within a several mile radius of Denham, Minnesota. This study of the petrology, metamorphism, structural geology, sedimentology and uranium potential of this very diverse geologic setting has aided in the determining of the various relationships between the three formations.

CLASSIC PRECAMBRIAN GEOLOGY OF NORTHEAST MINNESOTA Mark Jirsa and James Miller Field Trip 3. GEOLOGY AND SEDIMENTOLOGY OF THE PALEOPROTEROZOIC ANIMIKIE POKEGAMA FORMATION, BIWABIK IRON FORMATION, AND VIRGINIA FORMATION OF THE EASTERN MESABI IRON RANGE, AND THE THOMSON FORMATION NEAR DULUTH, NORTHEASTERN MINNESOTA.

An ignimbrite in the middle of the Fara Formation (Ara Group) in the Jabal Akhdar yielded a U-Pb age of ± Ma (Brasier et al., ). Recently, core material from the middle part (unit A3 and A4) of the Ara Group in the South Oman Salt Basin yielded an age of ± Ma, representing the Precambrian-Cambrian boundary (Amthor et al.

Precambrian - Precambrian - Precambrian geology: By international agreement, Precambrian time is divided into the Archean Eon (occurring between roughly billion years ago and billion years ago) and Proterozoic Eon (occurring between billion and million years ago).

After the Precambrian, geologic time intervals are commonly subdivided on the basis of the fossil record. These are 1) euhedral, book-shaped crystals 10– μm wide in Ca1 calcite veins in the Muruwa Formation and Roraima Supergroup, 2) euhedral clusters 25–50 μm in diameter in secondary porosity of the Roraima Supergroup close to Avanavero intrusive contacts, and 3) fine-grained aggregates that are grain-replacive in the Muruwa Formation.Don was born in Washington, D.C., inand grew up in Minneapolis, where he graduated from high school in Don's grandfather and great uncle founded the Winston Brothers Construction firm, an important engineering company that managed iron mines in Minnesota's Mesabi Range, dredged international harbors, built the Milwaukee Railroad Line, and dug irrigation canals across the Montana.