Geological Survey Of Canada Current Research Online No 2000 A2 PDF Download
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Author | : Kazuharu Shimamura |
Publisher | : Natural Resources Canada |
Total Pages | : 8 |
Release | : 2000 |
Genre | : |
ISBN | : 0660179946 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-A2 Book in PDF, ePub and Kindle
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 | : |
Publisher | : Natural Resources Canada |
Total Pages | : 5 |
Release | : |
Genre | : |
ISBN | : 0660180529 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-D9 Book in PDF, ePub and Kindle
Author | : Martin De Keijzer |
Publisher | : Natural Resources Canada |
Total Pages | : 12 |
Release | : 2000 |
Genre | : Faults (Geology) |
ISBN | : 0660179970 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-A5 Book in PDF, ePub and Kindle
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 | : T. J. Katsube |
Publisher | : Natural Resources Canada |
Total Pages | : 11 |
Release | : 2000 |
Genre | : |
ISBN | : 0660182203 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-E15 Book in PDF, ePub and Kindle
This paper presents a determination of the evolution characteristics of a set of shale pore-structure components (storage porosity, connecting porosity, flow path size, and flow path density) with compaction. The pore-structure component data are derived from bulk petrophysical data (permeability, porosity, and formation factor as a function of increased pressure) reported for seven shale & mudstone samples. Basic pore-structure models and theory are also presented.
Author | : T. J. Katsube |
Publisher | : Natural Resources Canada |
Total Pages | : 8 |
Release | : 2000 |
Genre | : Sedimentary rocks |
ISBN | : 0660182092 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-E5 Book in PDF, ePub and Kindle
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 | : |
Publisher | : Natural Resources Canada |
Total Pages | : 13 |
Release | : |
Genre | : |
ISBN | : 0660180049 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-A12 Book in PDF, ePub and Kindle
Author | : |
Publisher | : Natural Resources Canada |
Total Pages | : 14 |
Release | : |
Genre | : |
ISBN | : 0660180367 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-C17 Book in PDF, ePub and Kindle
Author | : |
Publisher | : Natural Resources Canada |
Total Pages | : 9 |
Release | : |
Genre | : |
ISBN | : 0660180235 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-C4 Book in PDF, ePub and Kindle
Author | : |
Publisher | : Natural Resources Canada |
Total Pages | : 18 |
Release | : |
Genre | : |
ISBN | : 0662314360 |
Download Geological Survey of Canada, Current Research (Online) no. 2002-A2 Book in PDF, ePub and Kindle
Author | : R. M. Friedman |
Publisher | : Natural Resources Canada |
Total Pages | : 9 |
Release | : 2000 |
Genre | : Igneous rocks |
ISBN | : 0660180014 |
Download Geological Survey of Canada, Current Research (Online) no. 2000-A9 Book in PDF, ePub and Kindle
Describes uranium-lead dating of zircon and titanite from two representative samples of two plutons (diorite and quartz monzonite) in the Tetachuck Lake map area of central interior British Columbia. Includes information on the geological nature & setting of the sampled plutons, analytical procedures, and geochronology. The correlation of the two plutons with the metallogenically important group of Late Cretaceous Bulkley plutonic suite is discussed.