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1 edition of The stratigraphy, structure and metamorphism of Archean rocks at Rainy Lake, Ontario found in the catalog.

The stratigraphy, structure and metamorphism of Archean rocks at Rainy Lake, Ontario

The stratigraphy, structure and metamorphism of Archean rocks at Rainy Lake, Ontario

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Published in Thunder Bay .
Written in

    Subjects:
  • Rainy Lake

  • Classifications
    LC ClassificationsQE 191 P874 1980 thesis
    The Physical Object
    Pagination99 p.
    Number of Pages99
    ID Numbers
    Open LibraryOL22022021M

    Cook, N.D.J. & Ashley, P.M. () Meta‐evaporite sequence, exhalative chemical sediments and associated rocks in the Proterozoic Willyama Supergroup, South Australia: implications for metallogenesis. Precambrian Resea – Geological setting and mineralization styles of the Sunday Lake and Lower Detour 'gold trends', northwestern Abitibi Greenstone Belt, Ontario and Quebec Boily-Auclair, E; Mercier-Langevin, P; Ross, P -S; Pitre, D. Targeted Geoscience Initiative: report of activities; by Rogers, N (ed.); Geological Survey of Canada, Open File , p.

    anagihara, G. M., , Structure, stratigraphy, and metamorphism of a part of the Columbus Promontory, North Carolina (unpublished M.S. thesis): Knoxville, Universityof T ennessee, p. Sources of Lineation Data 34 ° 82 ° 34 ° 30' 35 81 ° ° 35 ° 30' 36 81 36 ° 82 ° 83 ° 35 ° 34 ° 83 ° SC SC GA NC 0 0 10 30 20 40 miles kilometers. The anthophyllite group are orthorhombic amphiboles in the magnesium-iron-manganese amphibole subgroup. The minerals in this root name group may have either Pnma or Pnmn (proto- prefixed name) space-group symmetry. The anthophyllite group's composition is defined with A (Na+K+2Ca).

    A DETAILED METALLOGENIC STUDY OF THE MCFAULDS LAKE CHROMITE DEPOSITS, NORTHERN ONTARIO, PhD Thesis, University of Western Ontario, London, Ontario, Canada: Rainy River District; M., , Genesis and Metamorphism of Two Stratiform Massive Sulfide Depoosits at Ambaji and Deri in the Precambrian of Western India, Economic Geology, GIS Data Inventory. The miniature U of T crest indicates that the item is licensed for use by members of the University of Toronto community; use by others is restricted. Please r.


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The stratigraphy, structure and metamorphism of Archean rocks at Rainy Lake, Ontario Download PDF EPUB FB2

The geological history of the Archean rocks at Rainy Lake, Ontario, has been the subject of controversy for over 90 years. Interpretation of new structural data, particularly application of the. Geochemistry of Archean meta-igneous rocks, Lake Despair area, Wabigoon Subprovince, northwestern Ontario Article in Canadian Journal of Earth Sciences 17(8) February with 18 Reads.

STRATIGRAPHY Ely Greenstone Soudan Iron-formation Lake Vermilion Formation Knife Lake Group Newton Lake Formation Stratigraphic Interpretation INTRUSIVE ROCKS Synvolcanic Hypabyssal Bodies Vermilion and Giants Range Batholiths METAMORPHISM STRUCTURE REFERENCES ROAD LOG AND STOP DESCRIPTIONS, R.

Ojakangas iii 4 6 6 7 7 8. The southern boundary of this complex, similar to the Rainy Lake zone, includes an early phase of recumbent folding (D 1) followed by metamorphism and a strong strain- and fabric-forming event (D 2). Early recumbent folding (F 1) and a weak, nearly bedding-parallel S 1 foliation were folded by upright F 2 folds along and across the southern.

Principles of Stratigraphy Michael E. Brookfield Principles of Stratigraphy reaffirms the vital importance of stratigraphy to the earth sciences, and introduces the undergraduate to its key elements in a lively and interesting Part I the author outlines key concepts including the foundations of sedimentology and sedimentary environments.

Volume 73 complete / / Background and anomalous gold in rocks of an Archean greenstone assemblage, Kakagi Lake Area, Northwestern Ontario; Geology of the Bayhorse fluorite deposit, Custer County, Idaho; Geology of the Urad and Henderson Molybdenite Deposits, Clear Creek County, Colorado, with a section on a comparison of these deposits.

Abstract. The Kapuskasing uplift provides a window on the deep crust of the Superior Province. Evidence in support of an exposed oblique crustal cross section includes: a systematic easterly increase in metamorphic grade from 3 kbar greenstones at Wawa to 8 kbar Kapuskasing granulites; structural and paleomagnetic data on gneisses and dykes indicating 10–15° of east-side-up block rotation Cited by: The Rove Formation, is a sedimentary rock formation of Middle Precambrian age underlying the upper northeastern part of Cook County, Minnesota, United States, and extending into Ontario, is the youngest of the many layers of sedimentary rocks which constitute the Animikie Group.

Before the Rove sediments were laid down, during the Archean Eon, the Algoman orogeny added landmass. Clowes, Ronald Wyman, Derek and Kerrich, Robert Mantle plume – volcanic arc interaction: consequences for magmatism, metallogeny, and cratonization in the Abitibi and Wawa subprovinces, CanadaThis article is one of a series of papers published in this Special Issue on the theme Lithoprobe — parameters, processes, and the evolution of a by: The best record of early life is in sedimentary rocks from Archean greenstone belts.

This study uses isotopic analyses of carbon- and sulfide-rich deposits from four Archean belts to seek evidence for the onset of major metabolic processes. Primary Separation of the Archean into two Divisions The Upper Division Nomenclature ]7Metamorphism Relations between the two Divisions The General Relations Irruptive Contact on L" -i of the Woods Irruptive Contact in Rainy Lake Region S Significance of.

Manitou Islands, Lake Nipissing, Ontario. At several points the islands consist of sedimentary strata, while the lake shores are completely made up of Archean rocks.

81 The Utica terrane in Canada. Can. Rec. Sci., vol. v, pp., Describes the stratigraphic and lithologic characters of this forma­Author: Fred Boughton Weeks. Archean terrains are some of the most richly mineralized terrains on Earth, both in terms of the mineral deposits which formed during the Archean and the deposit styles which developed on or adjacent to stable Archean cratons following their stabilization (for example, diamonds in kimberlites, copper and REE in carbonatites and other alkaline rocks, bauxites, and beach sands).Cited by: 2.

Principles of Stratigraphy reaffirms the vital importance of stratigraphy to the earth sciences, and introduces the undergraduate to its key elements in a lively and interesting fashion.

In Part I the author outlines key concepts including the foundations of sedimentology and sedimentary environments. Introduction. The Archean Eon was the most important period for the genesis of gold deposits with approximately 60% of the world’s gold deposits forming before Ma, and the Superior Province of Canada is one of the largest and most important gold producing Archean cratons in the world (Roberts,Robert et al., ).Gold is most commonly found in Au-Ag quartz-carbonate veins from Author: Olivier Nadeau.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. institute on lake superior geology 55th annual meeting mayely, minnesota organized by: the precambrian research center university of minnesota duluth james d.

miller, jr., george j. hudak, and dean m. peterson co-chairs proceedings volume 55 part 1 – program and abstracts. These basaltic rocks were collected by Professor Dumble and Mr. Taff, in Uvalde County, southern Texas. On the geological map of the United States, compiled by C.

Hitchcock,there are two of the localities marked near the boundary of the Cretaceous and earlier Tertiary formation, between 99° and ° longitude, and on the 29th degree of latitude. Archean rocks host all of the country’s kimberlite pipes and contained lode diamond deposits, and most of its lode gold deposits.

The Archean basement terrain is bounded to the east and west by a series of Proterozoic mobile belts; this area, particularly that to the east, hosts most of the country’s wide variety of colored gemstone deposits.

North of Fort Frances, Ontario, October 7, Centimeter-demarcated pencil for scale. The granitoid vein intrudes metasedimentary rocks of the Archean-aged Quetico Group, exposed on the Superior Craton.

Note the thickened hinges, the boudinage of the lower right long limb, and incipient boudinage of the upper left long limb. Words: Length: 21 Pages Document Type: Essay Paper #: Some of the grains weather to a pale green colour.

In thin section, quartz is the major grain type (~50%) with some microcline (~5%) and some rock fragments (~1%) all in a fine matrix which consists of quartz and/or feldspar, mica and some calcite cement.The rest of this chapter is devoted to a brief overview of a few of the important aspects of physical geology, starting with minerals and rocks.

This is followed by a review of Earth’s internal structure and the processes of plate tectonics, and an explanation of geological time.Physical Geology by Steven Earle was created as part of the B.C. Open Textbook Project. BCcampus Open Education began in as the B.C.

Open Textbook Project with the goal of making post-secondary education in British Columbia more accessible by reducing student costs through the use of openly licensed textbooks and other OER.