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Author : Anonim
Publisher : Natural Resources Canada
Page : 10 pages
File Size : 42,6 Mb
Release : 2024-07-03
Category : Electronic
ISBN : 9780660179933
Author : Martin De Keijzer
Publisher : Natural Resources Canada
Page : 12 pages
File Size : 53,9 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 : 43,6 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 : 52,8 Mb
Release : 2024-07-03
Category : Electronic
ISBN : 9780660180045
Author : Kazuharu Shimamura
Publisher : Natural Resources Canada
Page : 8 pages
File Size : 53,7 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 : Anonim
Publisher : Natural Resources Canada
Page : 13 pages
File Size : 52,8 Mb
Release : 2024-07-03
Category : Electronic
ISBN : 9780660180052
Author : Anonim
Publisher : Natural Resources Canada
Page : 14 pages
File Size : 40,6 Mb
Release : 2024-07-03
Category : Electronic
ISBN : 9780660180366
Author : Anonim
Publisher : Natural Resources Canada
Page : 9 pages
File Size : 44,9 Mb
Release : 2024-07-03
Category : Electronic
ISBN : 9780660179957
Author : T. Praamsma
Publisher : Natural Resources Canada
Page : 10 pages
File Size : 41,9 Mb
Release : 2000
Category : Electronic
ISBN : 9780660182322
This study examines aspects of the geological evolution of the Sharbot Lake domain and compares it with that of neighbouring domains & terranes in the Central metasedimentary belt, Grenville Province, Ontario. The study reports uranium-lead zircon & titanite geochronological ages for a granodiorite phase of the Pakenham intrusion from the northern part of the Sharbot Lake domain. The new data expand the known range of magmatism in this part of the belt, elucidate the early tectonic evolution of the domain, and constrain the timing of overprinting metamorphism. Possible links between the Pakenham structure and the Wolf Grove structure to the south-east are also discussed.
Author : Anonim
Publisher : Natural Resources Canada
Page : 9 pages
File Size : 51,7 Mb
Release : 2024-07-03
Category : Electronic
ISBN : 9780660180236
Author : D. E. Kerr
Publisher : Natural Resources Canada
Page : 10 pages
File Size : 48,8 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 : Robert Ian Thompson
Publisher : Natural Resources Canada
Page : 7 pages
File Size : 41,6 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 : Lawrence B. Aspler
Publisher : Natural Resources Canada
Page : 12 pages
File Size : 40,7 Mb
Release : 2000
Category : Electronic
ISBN : 9780660180311
This report presents results of geologic fieldwork that updates mapping in the Sealhole-Fitzpatrick lakes area west of Hudson Bay, Nunavut, with a focus on the paleogeographic and structural evolution of the Henik, Montgomery, and Hurwitz groups. Along with descriptions of the Archean to Paleoproterozoic rocks and their stratigraphic relationships, the report discusses the area's geologic structure and the evidence for Archean and Paleoproterozoic deformation.
Author : David Huntley
Publisher : Natural Resources Canada
Page : 7 pages
File Size : 40,9 Mb
Release : 2006
Category : Geology
ISBN : 9780662435372
Author : Chris H. Hugenholtz
Publisher : Natural Resources Canada
Page : 12 pages
File Size : 44,9 Mb
Release : 2007
Category : Bars (Geomorphology)
ISBN : 9780662446873