A landslide in glacial lake clays in central British Columbia

1982 ◽  
Vol 19 (3) ◽  
pp. 296-306 ◽  
Author(s):  
S. Thomson ◽  
John Mekechuk
Keyword(s):  
British Columbia ◽  
Slope Failure ◽  
Rocky Mountain ◽  
Site Investigation ◽  
Alluvial Fans ◽  
East Central ◽  
Slide Mass ◽  
Slide Area ◽  
A Site ◽  
The City

The CNR line in central British Columbia was built across an old landslide along the valley of the Fraser River near the city of McBride. Failure occurred shortly after the completion of construction in 1914 and the railway was relocated just off the slide area by construction of a timber pile trestle. In 1927 the railway was moved back to its original alignment by rebuilding the old embankment on the old slide area.During the waning phases of glaciation, sedimentation in glacial lakes in the Rocky Mountain trench resulted in thick, laminated deposits of silts and silty clays that cover the outer edges of the alluvial fans along the mountain front.Starting in late 1974 and continuing through 1976 track subsidence took place that required a series of track raises. In 1977 a track offset of 15 m was completed and a site investigation was carried out that provided data for the design of a stabilizing berm.It is interesting to note that, for a period of 47 years, a sidehill fill in the scarp area of a slide performed satisfactorily. Re-initiation of the landslide is considered to be due to an increase in pore pressure within the slide mass. The ingress of water to the slide area is vertical infiltration into the alluvial fans and thence laterally into the slide mass. There has been an increase in the average annual precipitation in east central British Columbia and the cumulative effects of this precipitation resulted in the slope failure of 1974.

Imbricated terranes of the Cariboo gold belt with correlations and implications for tectonics in southeastern British Columbia

1986 ◽  
Vol 23 (8) ◽  
pp. 1047-1061 ◽  
Author(s):  
L. C. Struik
Keyword(s):  
British Columbia ◽  
Continental Shelf ◽  
Rocky Mountains ◽  
Rocky Mountain ◽  
East Central ◽  
Pillow Basalt ◽  
Shelf Sediments ◽  
Kootenay Lake ◽  
Southern Rocky Mountain ◽  
Bounded Sequences

The Cariboo gold belt of east-central British Columbia is divided into four fault-bounded sequences of distinct stratigraphy. They are, from east to west, the Cariboo (continental-shelf sediments), Barkerville (continental-shelf sediments and intercalated volcanics), Slide Mountain (rift-related submarine pillow basalt, chert, and diorite) and Quesnel (island-arc sediments and subaqueous volcanics) terranes. Each is separated from others by thrust faults. Grit, phyllite, limestone, and volcanics of the Barkerville terrane may be correlative with the Eagle Bay Formation near Adams Lake and the Lardeau Group near Kootenay Lake. Barkerville terrane may be part of a more regional rock package, Selkirk terrane, which is defined to include Kootenay terrane, Badshot Formation, and Horsethief Creek and Hamill groups. Selkirk terrane is (i) separated everywhere by a low-angle fault from the overlying age-equivalent but stratigraphically and structurally different Cariboo terrane and (ii) separated by a system of faults in the general location of the Southern Rocky Mountain Trench from the age-equivalent but stratigraphically and structurally different North American terrane of the Rocky Mountains.

Global Justice at the Municipal Scale

2018 ◽  
Author(s):  
Fonna Forman ◽  
Teddy Cruz
Keyword(s):  
Urban Space ◽  
Global Justice ◽  
Local Governance ◽  
Global City ◽  
Way Of Thinking ◽  
A Site ◽  
The City

Cities or municipalities are often the most immediate institutional facilitators of global justice. Thus, it is important for cosmopolitans and other theorists interested in global justice to consider the importance of the correspondence between global theories and local actions. In this chapter, the authors explore the role that municipalities can play in interpreting and executing principles of global justice. They offer a way of thinking about the cosmopolitan or global city not as a gentrified and commodified urban space, but as a site of local governance consistent with egalitarian cosmopolitan moral aims. They work to show some ways in which the city of Medellín, Colombia, has taken significant steps in that direction. The chapter focuses especially on how it did so and how it might serve as a model in some important ways for the transformation of other cities globally in a direction more consistent with egalitarian cosmopolitanism.

Experiments on Oral Secretion of the Rocky Mountain Wood Tick, Dermacentor andersoni Stiles (Acarina: Ixodidae)

1957 ◽  
Vol 89 (1) ◽  
pp. 1-5 ◽  
Author(s):  
J. D. Gregson
Keyword(s):  
British Columbia ◽  
Pacific Northwest ◽  
Rocky Mountain ◽  
Dermacentor Variabilis ◽  
Oral Secretion ◽  
Amblyomma Maculatum ◽  
Dermacentor Andersoni ◽  
The Pacific ◽  
Tick Paralysis ◽  
Rocky Mountain Wood Tick

Tick paralysis continues to be one of the most baffling and fascinating tickborne diseases in Canada. It was first reported in this country by Todd in 1912. Since then about 250 human cases, including 28 deaths, have been recorded from British Columbia. Outbreaks in cattle have affected up to 400 animals at a time, with losses in a herd as high as 65 head. Although the disease is most common in the Pacific northwest, where it is caused by the Rocky Mountain wood tick, Dermacentor andersoni Stiles, it has lately been reported as far south as Florida and has been produced by Dermacentor variabilis Say, Amblyomma maculatum Koch, and A. americanum (L.) (Gregson, 1953). The symptoms include a gradual ascending symmetrical flaccid paralysis. Apparently only man, sheep, cattle, dogs, and buffalo (one known instance) are susceptible, but even these may not necessarily be paralysed.

Study on the Efficient Cognition of Disaster Prevention Signs for Library Buildings

2013 ◽  
Vol 811 ◽  
pp. 319-324
Author(s):  
Yan Ran Chen ◽  
Li Chao Niu
Keyword(s):  
Site Investigation ◽  
Disaster Prevention ◽  
Public Buildings ◽  
A Site ◽  
Library Buildings

This paper is an research concentrated on the efficient cognition of disaster prevention signs for library buildings, considering the relevance between the domestic and foreign public buildings disaster and disaster prevention signs, with a site investigation and a questionnaire investigation of library public buildings. Proposals we raised for the efficient cognition of library public buildings in order to strengthen the design of the disaster prevention signs in the forms, details and humanization, improve and perfect the systematic settings of disaster prevention signs to achieve the effect of optimizing the efficient cognition of the disaster prevention signs.

Connectivity in the Multi-Layered City: Towards the Sustainable City

2011 ◽  
Vol 36 (2) ◽  
pp. 24-35
Author(s):  
Bob Brown
Keyword(s):  
Global City ◽  
Global Network ◽  
Alternative Form ◽  
Recent Experience ◽  
Sustainable City ◽  
Late 20Th Century ◽  
Financial Speculation ◽  
A Site ◽  
The City ◽  
Development Practice

A new urban paradigm, the global city, emerged in the late 20th Century finding acceptance in discussions of urban development. Tied into a global network of exchange, it exists principally as a place of financial speculation and transaction. It is marked by a parallel economy of culture, which underpins a re-conceptualisation and spatial re-formation of the city. Despite its widespread currency, criticisms have challenged its economic sustainability. Further questions have contested its tendency to impose a singular, homogenized space prioritizing consumption while marginalising other concerns. Post-independence Riga's recent experience provides a platform from which to critique the global city paradigm, which the city embraced as it sought to embed itself in the West not only politically but culturally and economically as well. In opposition to this model's intrinsic singular emphasis and exclusionary tendencies, this text will explore the concept of palimpsest; this proposition understands the city as a multiplicity of layers, within which convergences and divergences offer a site from which to generate synergies. This will be framed in reference to recent discourse on the sustainable city and development practice. Recent design-led inquiry situated in the context of Riga will then provide a lens on palimpsest as an alternative form of praxis.

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