File:Transactions (1895) (14598256408).jpg

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Identifier: transactions05cana (find matches)
Title: Transactions
Year: 1895 (1890s)
Authors: Canadian Institute of Mining and Metallurgy
Subjects: Mineral industries Mines and mineral resources
Publisher: Montreal (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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drift. In this they differ from the placer concentration of the minor Vshaped creeks tributary to Pine Creek, such as Birch, Boulder, Rubyand Wright. These last named creeks are typical, lateral V shapedstreams heading in mountain basins and still cutting down the troughthrough bed-rock. They carry no apparent evidence of glacial action,the stream beds are filled in with boulders in most places. Bed-rockis usually more in evidence about the middle portions of these streams.This seems to be due to the fact that the upper basins keep filling inwith talus while the lower portions are filling up with gravels. The bed-rock is often actinolite slate, and on Wright Creek is anargillite or soft black shaly slate. Boulder Creek shows an instanceof gold on granite bed-rock on its upper portion, not elsewhere foundin the district. The bed-rock is granite and the basin at the head ofthe stream is granite, but the great mass of rock which formerly filled Characteristics of the Atlin Gold field. 27
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The Ca/iadian Mining histitiite. this valley was of the gold-bearing slate variety, and its gold has beenconcentrated as the stream cut down to the underlying granite. Ruby Creek has so far been unproductive; originally this creekhad cut down more deeply than the other lateral streams through therocks favorable to placer gold. At a later time it appears to havebeen partially filled in by a basaltic flow from an extinct volcano onits western side. The stream has not yet cut down through thisbasaltic covering to the gravels beneath. The glacial drift which liesas an overburden of from a few feet to over three hundred feet indepth in the Pine-Spruce Valley carries gold prospects in most unlikelyplaces, apparently, such are found amongst the little lumpy hills farup on Spruce Creek. Prospects have been found in the gravel on theexposed summits of these moraine-like deposits; such may be due to aweather concentration by which the lighter materials have beenremoved leaving a little gold and

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Flickr tags
InfoField
  • bookid:transactions05cana
  • bookyear:1895
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Canadian_Institute_of_Mining_and_Metallurgy
  • booksubject:Mineral_industries
  • booksubject:Mines_and_mineral_resources
  • bookpublisher:Montreal__etc__
  • bookcontributor:Gerstein___University_of_Toronto
  • booksponsor:University_of_Toronto
  • bookleafnumber:48
  • bookcollection:gerstein
  • bookcollection:toronto
Flickr posted date
InfoField
30 July 2014



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Date/TimeThumbnailDimensionsUserComment
current14:01, 14 October 2015Thumbnail for version as of 14:01, 14 October 20152,400 × 1,612 (388 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
13:04, 14 October 2015Thumbnail for version as of 13:04, 14 October 20151,612 × 2,406 (391 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': transactions05cana ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Ftransactions05cana%2F find matche...

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