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Thursday, July 30, 2020 | History

2 edition of Petrography of the diabase rocks of the Thunder Bay District, Ontario. found in the catalog.

Petrography of the diabase rocks of the Thunder Bay District, Ontario.

P. G. McLean

Petrography of the diabase rocks of the Thunder Bay District, Ontario.

by P. G. McLean

  • 122 Want to read
  • 3 Currently reading

Published .
Written in English


The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL19667476M

Thunder Bay, Ont. once again homicide capital of Canada For the third consecutive year - and the fourth time in the last five years - Thunder Bay was the homicide capital of Canada in Search and browse Thunder Bay District cemetery records and tombstone inscriptions for Ontario genealogy research.

Top Thunder Bay Geologic Formations: See reviews and photos of geologic formations in Thunder Bay, Ontario on Tripadvisor. Petrography and spectral IP response of the Sturgeon Lake massive sulfide and Temagami iron formation deposits, Ontario a Nipissing-type diabase, from northeastern Ontario: Alan Galley: Metallogeny Of The Proterozoic Rocks Of Thunder Bay District, Ontario: Robert Graham: Ph.D. The Mogul Base Metal Deposits, County Tipperary.

Get directions, maps, and traffic for Thunder Bay, ON. Check flight prices and hotel availability for your visit. Ouimet Canyon is a large gorge in the municipality of Dorion, Thunder Bay District in northwestern Ontario, Canada, about 60 kilometres (37 mi) northeast of the city of Thunder gorge is metres ( ft) deep, metres ( ft) wide and 2, metres ( km; mi) long, protected as part of Ouimet Canyon Provincial Park.. There is a walkway consisting of boardwalks and trails.


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Petrography of the diabase rocks of the Thunder Bay District, Ontario by P. G. McLean Download PDF EPUB FB2

Thunder Bay The Sleeping Giant is an iconic landmark that rises from the waters of Lake Superior east of Thunder Bay. This cliff-bound tableland is eroded from a flat-lying and resistant layer of igneous rock known as diabase. Its sheer m high cliffs are the highest in Ontario.

Photo courtesy of the Ontario Geological Survey. Abstract. The scenery and landforms of the Thunder Bay region result from a varied bedrock geology, particularly notable being the flat-topped mountain features of the Sleeping Giant, Mt.

McKay and others, resulting from the intrusion of the Logan diabase sill into the Precambrian shales and sandstones of the Animikie : Kamil Zaniewski, Brian Phillips, Fred Dean. District of Thunder Bay Map 23 - District of Thunder Bay RG Ministry of Natural Resources topographic maps I The amethyst-producing region, within the Thunder Bay District, is located in an area approximately 60 km northeast of the city of Thunder Bay.

Just to give you a sense of how long a drive it is to reach the amethyst area from major international centres, it is over km. Book - Lead and Zinc Deposits, Dorion and McTavish Townships, Thunder Bay District; In: Annual Report of the Ontario Department of Mines,vol.

38, part 6. This paper presents a detailed petrographic and mineralogic study of the rocks of the Nipissing diabase sill near Cobalt, Ontario, Canada. It is approximately 1 km northeast of the City Limits of Thunder Bay, Ontario and is 2 km east of the Terry Fox Memorial, the region's high-profile ambassador.

All of the rocks were then intruded by dikes and sheets of diabase termed Logan sills. DISTRICT OF THUNDER BAY Scale l:3l,6SO or 1. Thunder Bay District is a district and census division in Northwestern Ontario in the Canadian province of district seat is Thunder Bay.

Inthe population was ,The land area issquare kilometres (40, sq mi); the population density was per square kilometre (/sq mi). Most of the district (%) is unincorporated and part of the Unorganized. Thunder Bay Rocks Group has 9, members.

We are part of the kindness rock movement. All rocks on this site are free, placed randomly around the city. The following are publications held by the City of Thunder Bay Archives.

Access to publications is open to all researchers. On most computers, you can search any of the finding aid PDF documents once opened by pressing CTRL-F or selecting "Find.". M.N.R. ADMINISTRATIVE DISTRICT THUNDER BAY MINING DIVISION THUNDER BAY LAND TITLES/ REGISTRY DIVISION THUNDER BAY Ministryof Ministry of Natural Northern Development Resources and Mines D '" OCTOBER, n Service ^uly 27/ Figure 1: Claim map showing location of the Thunder Bay Agate Mine property.

Scale l" to 1/2 mi. Geology is a science which focuses on the study of solid Earth, the rocks of which it is composed and the processes by which it changes. It provides insight into the Earth's past including the evolutionary history of life and past y is commercially important for mineral exploration and for evaluating natural resources.

It also helps find solutions to environmental problems and. Principal among the large bays which abound on Lake Superior is one known as Thunder Bay, on the west shore of which Port Arthur is situated. During the construction of the C.P.R., and some years previously, Port Arthur became known as Prince Arthur's Landing; but in the year the C.P.R.

directorate re-christened it, giving it its present name. 6/1/ (T Pettigrew) - Tanton () described the Dorion Mine area as having a granitic bedrock base which is overlain by flay-lying Sibley sediments consisting of conglomerate, sandstone, and red fragmental rock; in all, less than m thick.

To the west, an. Catalogue > Ontario Maps > Thunder Bay District: Purchase Maps: Listing of Thunder Bay District Maps. Name. Map/Zone # Agonzon Lake: TB Abamasagi Lake: TB Ara Lake: TB Arrow Lake (East) TB Arrow Lake (West) TB Attwood Lake: TB Balancing Lake: TB Thunder Bay Museum Donald St.

Thunder Bay, ON P7E 5V1 () [email protected] At Thunder Bay mafic rocks from the Duluth and Logan complexes and alkaline mafic rocks from the Coldwell complex are Ma old (U-Pb), whereas silver arsenide veins are Ma old.

Minnesota and adjacent Ontario. However, Geul () has demonstrated that all "Logan" dia­ bases in the adjoining Thunder Bay District, Ontario, are not of the same age; he recognized two major types: (1) Early Mafic intrusions of tholeiitic diabase, and (2) younger pigeon River intrusions of olivine diabase.

Thunder Bay's recreated Fort William Historical Park represents the fort as it appeared in when it was at its height - a bustling community engaged in the lucrative fur trade. Fort William was the centre of the Canadian fur trading economy, the place where trapper met trader and the deals were struck.

A genetic model for the localization of uranium mineralization related to the Proterozoic rocks of the Thunder Bay District was proposed by Franklin (). This model was investigated in detailed examination of a breccia-type uranium occurrence referred to as the Innes Lake Radioactive Breccia.

Previous mapping has been conducted in the study area by Tanton,Tanton, a, Tanton, b, Geul,Geul, and Smith and Sutcliffe,Smith and Sutcliffe, In general terms, the intrusive rocks south of Thunder Bay can be subdivided into: extensive sills ranging in thickness from 3 to 20 m and occasionally up to 50 m extending over km 2; and dike swarms .The Painted Rock Nature Reserve.

The Thunder Bay Field Naturalists purchased the Painted Rock Nature Reserve in The Reserve consists of acres of land southwest of the City of Thunder Bay.

The property completely surrounds a 32 acre lake. This is a site with unique biological and cultural features including several pictographs.At least 25 species of amphibians and reptiles have been found within the Thunder Bay District of Ontario.

Of these, only 17 species can be considered native species (13 amphibians, 4 reptiles). At least eight species of escaped pet and introduced exotic or ‘accidental’ species have occasionally been found in the district but do not persist.