Last edited by Kagalmaran
Sunday, August 2, 2020 | History

2 edition of granite porphyries of Great Bear Lake, Canada. found in the catalog.

granite porphyries of Great Bear Lake, Canada.

Riley, Christopher

granite porphyries of Great Bear Lake, Canada.

by Riley, Christopher

  • 159 Want to read
  • 7 Currently reading

Published .
Written in English

    Places:
  • Northwest Territories,
  • Great Bear Lake Region.
    • Subjects:
    • Porphyry -- Northwest Territories -- Great Bear Lake Region.,
    • Granite -- Northwest Territories -- Great Bear Lake Region.,
    • Geology -- Northwest Territories -- Great Bear Lake Region.

    • Classifications
      LC ClassificationsQE462.P6 R54
      The Physical Object
      Paginationiv, 58 l.
      Number of Pages58
      ID Numbers
      Open LibraryOL5081020M
      LC Control Number74152013

      The monuments include for instance, the great four-mile long, grey granite menhir avenues of Carnac, the gneiss monoliths of Callanish, the sandstone trilithons of Stonehenge and the volcanic tuff. quartz-porphyries,anddoleritesthatwereassociated with Silurian volcanoes,or were intruded, Hke thegranite in early Devonian and quartzites, probably.

        Tyndall Stone is one of Canada’s iconic building stones. Derived from near Garson, Manitoba, it is used in a great number of buildings in Winnipeg. However it shows up all over the place as a high quality and attractive stone, suitable for both exterior and interior use with honed, bush-hammered or a polished surface. In the Yukon, such rocks under km2, while in the District of Mackenzie, km2 are believed to contain coal in the Brackett Basin alone, with additional potential in the Liard River, Godlin Lake and Great Bear Lake areas.

      The Lake Alice deposits were drilled by Bear Creek Exploration in the s. The Griggs mine in the northern part of the district, the mineralized sandstone is at least feet thick. Samples collected by Love and Antweiler () ranged from to % Cu, a trace to % Pb, a trace to % Zn, and a trace to 1, ppm (35 opt) : The Gem Hunter. Liesegang rings and the problem of self-organization in agates: In: Johann Wolfgang Goethe-Universitaet Frankfurt/Main (Ed.): Book of Abstracts of the 2nd International Symposium on Fractals and Dynamic Systems in Geoscience (april , , Gelnhausen), Frankfurt am Main, p. .


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Granite porphyries of Great Bear Lake, Canada by Riley, Christopher Download PDF EPUB FB2

THE GRANITE-PORPHYRIES OF GREAT BEAR LAKE, NORTHWEST TERRITORIES, CANADA [Christopher Riley] on *FREE* shipping on qualifying : Christopher Riley. The Contact Lake Belt forms the NW-trending flank of a collapsed andesite stratovolcano complex adjacent to a subvolcanic intrusion within the northern, to Ga, Great Bear magmatic zone.

The stratified rocks straddling the Larder Lake-Cadillac Break historically have been subdivided into two volcanic and two sedimentary groups (Wilson, ).The older volcanic unit, composed mainly of ultramafic to mafic rocks with rare felsic units, is termed the Malartic Group in the eastern part of the area, while its equivalent in the western part is referred to as the Larder Lake Group.

A study of the mineralogy of a suite of specimens, collected by from the Bonanza silver deposit, has been made. Particular attention is paid to the silver mineralization and the origin of the dendritic structure. A brief examination of the wall rock alteration is included.

The mineralogy of the deposit is relatively simple, consisting of the following metallic minerals in their. The distributive province supplying sediments to the Timiskamingtrough was composedof basic volcanics and intrusives, rhyolites andacid porphyries of great variety, minor amounts of chert, iron formation,jasper, and slaty greywacke,and rare syenite, granite and granite was essentiallyan igneousvolcanic terrane.

The Southern Breccia metasomatic uranium (U) showings are located 1 km south of the NICO deposit, an iron oxide‐copper‐gold (IOCG) deposit, in the Great Bear magmatic zone of Canada.

Introduction. Exploration for porphyry copper deposits has been guided by hydrothermal alteration patterns, which have been a focus of study for over a century (e.g., Lindgren,Lowell and Guilbert,Titley and Beane, ).Dismemberment and tilting of many deposits in the Basin and Range extensional province has exposed deep and distal portions of certain porphyry copper systems Author: Simone E.

Runyon, Eric Seedorff, Mark D. Barton, Matthew Steele-MacInnis, Pilar Lecumberri-Sanchez. These stores, with the addition of other articles obtained in Canada, sufficed to load three north canoes, manned by eighteen voyagers; and they were delivered by Mr.

M'Vicar, before the winter set in, to Mr. Dease, at the Athabasca Lake. Dease was instructed to support his party by fishing at Great Slave Lake, during the winter of NICO and Sue-Dianne are located in the southern part of the Great Bear magmatic zone, the central tectonic subdivision of the Bear Structural Province.

It is a post-collisional plutonic terrane with related continental volcanic rocks dating from Ma and culminating with the emplacement of A-type rapikivi granite plutons at approximately. The past 25 years have seen a major change in the classification of gold deposits in metamorphic terranes (i.e., belts of supracrustal rocks that have been regionally deformed and metamorphosed, typically to greenschist or higher grades; Fig.

1, App. Fig. A1), mainly reflecting the emerging understanding of plate tectonics and crustal evolution. These deposit types have historically been.

Full text of "Preliminary Report on a Portion of the Main Coast of British Columbia and See other formats Google This is a digital copy of a book that was preserved for generations on library shelves before it was carefully scanned by Google as part of a project.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. Level Mountain is a massive complex volcano in the Northern Interior of British Columbia, is located 50 km (31 mi) north-northwest of Telegraph Creek and 60 km (37 mi) west of Dease Lake on the Nahlin a maximum elevation of 2, m (7, ft), it is the third highest of five large complexes in an extensive north-south trending volcanic nates: 58°28′43″N °26′14″W / °N.

The rock mass is in many places intricately mixed, the oldest being much metamorphosed. Gneisses, schists and quartzites occur.

There are also volcanics such as felsites, quartz-felsites, porphyries and trap, some of which is amygdaloidal. The grained rocks are granite, diorite and syenite.

Both gold cycle types B and C (Figure ) are well represented by the Little Bear Lake veins. A series of mainly pyrite-bearing quartz veins occur on the north side of the unit E1.

These are considered hydrothermal quartz crusts that formed on the sea-floor (QU in Chapter 2). The object of this study is to establish the stratigraphy, structure, and petrology of early Tertiary rocks in the White Lake area near Penticton, British Columbia.

This is achieved by field mapping and laboratory work. Early Tertiary rocks of the White Lake area, thought to be mainly Eocene age, consist of five main stratigraphic division; 1.

discontinuous beds of basal breccia and Cited by: 2. Great Bear's Drills Creating 'Large Continuously Mineralized Gold Zone' in Red Lake District. Chris Taylor, CEO of Great Bear Resources, speaks to Maurice Jackson of Proven and Probable about what the drills are turning up at the Dixie Gold Project in Ontario's Red Lake District.

- 10/09/ The limited value of Werner's stratigraphical teaching is accounted for by Lyell, who remarks that "Werner had not travelled to distant countries; he had merely explored a small portion of Germany, and conceived and persuaded others to believe that the whole surface of our planet, and all the mountain-chains in the world, were made after the.

page i. page ii. page iii searching expedition: journal of a boat-voyage through rupert's land and the arctic sea, in search of the discovery ships under command of sir john franklin. %with an appendix on the physical geography of north america. by sir john richardson, c.b., f.r.s., inspector of naval hospitals and fleets, etc., etc., etc.

GEOLOGY OF THE SOUTH PASS AREA, FREMONT COUNTY, WYOMING By RICHARD W. BAYLEY, PAUL DEAN PROCTOR, 1 and KENT C. CoNDIE2 ABSTRACT The South Pass area includes five 7%-minute quadrangles near the south end o;f the Wind R!i\ner Rang.e in FremontCited by:.

Montreuil JF, Corriveau L, Davis WJ () Tectonomagmatic evolution of the Southern Great Bear magmatic zone (Northwest Territories, Canada): implications for the genesis of iron oxide-alkali–altered hydrothermal systems.

Econ Geol – CrossRef Google ScholarCited by: 1. Many other fossils are present and abundant in these strata and have been described by Jin et al.

(). The Receptaculitid Fisherites reticulatus (Finney & Nitecki, ) is a spectacular component of this rock, and if it were needed, a distinguishing feature of Tyndall Stone. Up to 25 cm or so in diameter, these are circular fossils with a scaly appearance, appearing like the seed head of a.GREENSTONE-HOSTED QUARTZ-CARBONATE VEIN DEPOSITS BENOÎT DUBÉ AND PATRICE GOSSELIN Geological Survey of Canada, de la Couronne, Quebec, Quebec G1K 9A9 Corresponding author’s email: [email protected] Abstract Greenstone-hosted quartz-carbonate vein deposits typically occur in deformed greenstone belts of all ages, espe- cially those.