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Author : Anonim
Publisher : Natural Resources Canada
Page : 12 pages
File Size : 54,8 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660180069
Author : Anonim
Publisher : Natural Resources Canada
Page : 5 pages
File Size : 41,6 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660180526
Author : Martin De Keijzer
Publisher : Natural Resources Canada
Page : 12 pages
File Size : 45,6 Mb
Release : 2000
Category : Faults (Geology)
ISBN : 9780660179971
A well-exposed section about 250 metres wide below the high water line of the Jennings River, Teslin Lake map area in northern British Columbia shows part of the Teslin Fault and provides an opportunity to constrain the fault's kinematic history by direct ground observations. This report describes preliminary structural observations of this section of the Teslin Fault, including the rock types involved, mylonitic & ultramylonitic structures, and deformation. Indications of two main episodes of shearing are discussed.
Author : L. C. Struik
Publisher : Natural Resources Canada
Page : 10 pages
File Size : 52,8 Mb
Release : 2000
Category : Electronic
ISBN : 9780660180021
The final year of the Nechako NATMAP project to study the geology of central British Columbia was used to research information collected in the field & laboratory, and to compile & document the study results. This article includes a review of upcoming publications & other products, by type of product: maps, journal articles, conference presentations, and computer products, as well as ongoing research on petrology, palaeontology, terrane characterization, tectonics & structure, and Quaternary geology.
Author : Anonim
Publisher : Natural Resources Canada
Page : 13 pages
File Size : 47,7 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660180052
Author : Anonim
Publisher : Natural Resources Canada
Page : 13 pages
File Size : 51,5 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660180045
Author : Kazuharu Shimamura
Publisher : Natural Resources Canada
Page : 8 pages
File Size : 48,5 Mb
Release : 2000
Category : Electronic
ISBN : 9780660179940
The use of static global positioning system (GPS) equipment for accurate horizontal & vertical positioning in field geology operations at high latitudes is made difficult by the need to set up & operate a GPS reference station and limitations on the distance between the reference station & field GPS due to errors introduced by the ionosphere. Dual-frequency GPS receivers have the potential to eliminate these problems since they can eliminate ionospheric errors and thereby increase baseline lengths, thus potentially permitting the use of existing GPS reference stations. This paper describes the use of a dual-frequency receiver for establishing benchmarks along the Yukon River as a field trial of this technology. Field methods and post-processing of the data using GPS data from permanent receiving stations are described, and baseline results are presented. The derived benchmarks will be applied to a survey of fill thickness below the Yukon River.
Author : Robert Ian Thompson
Publisher : Natural Resources Canada
Page : 7 pages
File Size : 49,9 Mb
Release : 2000
Category : Carbonates
ISBN : 9780660180106
Reports research conducted in the Vernon area of southern interior British Columbia to search out and map marker units in high-grade Neoproterozoic and Palaeozoic metamorphic rocks, and to map the east-west extent of overlying Triassic Slocan Group strata. Stratigraphic relations in the area are summarized and detailed stratigraphy of a calcareous quartzite marker unit is described. Regional correlations of this marker unit with map units farther east & north and elsewhere in the Vernon map area are then discussed. The paper examines the hypothesis that the marker unit is the same succession that hosts the Kingfisher and Big Ledge lead-zinc occurrences, with implications for the exploration potential for base metals in the study area.
Author : Anonim
Publisher : Natural Resources Canada
Page : 9 pages
File Size : 49,6 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660180434
Author : Anonim
Publisher : Natural Resources Canada
Page : 9 pages
File Size : 41,8 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660962825
Author : Anonim
Publisher : Natural Resources Canada
Page : 14 pages
File Size : 53,5 Mb
Release : 2024-06-29
Category : Electronic
ISBN : 9780660180366
Author : Edward L. King
Publisher : Natural Resources Canada
Page : 10 pages
File Size : 43,6 Mb
Release : 2000
Category : Electronic
ISBN : 9780660180496
Reports findings of reconnaissance seismic surveys conducted on the north-east Grand Bank to study the near-surface sediments, assess the presence and characteristics of seabed geotechnical hazards, and examine the role of Quaternary glaciation and sea-level fluctuation on sediment distribution and characteristics. The regional setting is first reviewed and a refined regional stratigraphy is described based on new seismic data. Till deposits and moraine fields as observed from the seismic studies of the shelf glacial sediments are described. Finally, interpretations of the glacial history of the study area are offered and implications of the findings for offshore engineering related to oil & gas development are discussed.
Author : D. E. Kerr
Publisher : Natural Resources Canada
Page : 10 pages
File Size : 51,8 Mb
Release : 2000
Category : Electronic
ISBN : 9780660180229
Describes studies conducted as part of a program to provide baseline data of surficial materials, ice-flow history, and soil geochemistry in the Yellowknife area, aimed at augmenting the geoscience database to support mineral exploration & development. After description of the regional setting & bedrock geology of the area, information is presented on surficial sediments (till, glaciofluvial & glaciolacustrine sediments, peat), ice flow patterns, glacial history, and pebble lithology provenance.
Author : T. J. Katsube
Publisher : Natural Resources Canada
Page : 8 pages
File Size : 46,7 Mb
Release : 2000
Category : Sedimentary rocks
ISBN : 9780660182094
This study presents theoretical aspects and results of analyzes of the adsorbed water thicknesses and number of water molecular layers on pore surfaces for 11 sedimentary rock samples obtained from 850-950 metres depth in a Northwest Territories well. An additional purpose of the study was to determine if the adsorbed water content shows an increase with decreased temperature below 25 degrees C. Information is included on the analytical methodology. The results provide information that can be used to model the effect of temperature on the permeability history of compacting shale & mudstone under low temperature environments.
Author : Réjean Couture
Publisher : Natural Resources Canada
Page : 11 pages
File Size : 50,9 Mb
Release : 2000
Category : Climatic changes
ISBN : 9780660180168
"Regional studies show that permafrost will disappear partly or completely over large areas of the north ... The Geological Survey of Canada is initiating an assessment of infrastructure needs in ... Mackenzie valley."--Page 1
