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Geological Survey Of Canada Current Research Online No 2000 B4
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Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-B4 by : J. C. Harrison
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-B4 written by J. C. Harrison and published by Natural Resources Canada. This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hazen Formation is an especially significant unit in northern Ellesmere Island and Greenland, as its depositional history spans the Cambrian to Silurian and underlies (and is exposed) throughout a substantial portion of the Arctic Islands. Four of its subdivisions can be mapped individually and correlated over at least 100 kilometres. This paper provides preliminary observations concerning the nature and correlation of the Hazen Formation with age-equivalent portions of the basinal succession in northern Greenland and the adjacent shelf succession of north-east Ellesmere Island. The paper describes the stratigraphy of the outer- shelf and basin-fill successions exposed on Judge Daly Promontory, the five mapped subdivisions of the Hazen Formation, and the age & correlations of the Formation.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-A5 by : Martin De Keijzer
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-A5 written by Martin De Keijzer and published by Natural Resources Canada. This book was released on 2000 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-A10 by : L. C. Struik
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-A10 written by L. C. Struik and published by Natural Resources Canada. This book was released on 2000 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-A2 by : Kazuharu Shimamura
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-A2 written by Kazuharu Shimamura and published by Natural Resources Canada. This book was released on 2000 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-C23 by : Anthony Davidson
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-C23 written by Anthony Davidson and published by Natural Resources Canada. This book was released on 2000 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper reports the results of remapping the Mountain Grove pluton, situated in the Sharbot Lake domain in the central part of the Central Metasedimentary Belt, Grenville Province, Ontario. The pluton, previously mapped as a single body of gabbroic rock, is now described as comprising two distinct intrusions. The paper begins with an overview of its geologic setting, then describes the lithology of the two intrusion units, associated dykes, and neighbouring intrusions & plutons. The geochronology of the pluton and its mineral deposits are also briefly noted.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2004-B4 by : Elizabeth C. Turner
Download or read book Geological Survey of Canada, Current Research (Online) no. 2004-B4 written by Elizabeth C. Turner and published by Natural Resources Canada. This book was released on 2004 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dolostone mounds over 200 metres thick and over four kilometres across developed in deep water during uppermost Arctic Bay Formation shale deposition in the north-west Milne Inlet Graben on northern Baffin Island. This paper describes the geometry of hitherto unrecognized mounds that have been identified from field work in five areas: the Saint Georges Society Cliffs near Arctic Bay; beneath the Nanisivik lead-zinc deposit; Red Rock valley; Magda Lake; and Bellevue Mountain. Their lithology, lateral facies relations, and internal composition are described and an interpretation of the origin & growth of the mounds is offered. Finally, implications of mound growth & distribution for the fault-related flow of mineralizing fluids and consequent base-metal deposition are discussed.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-C17 by :
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-C17 written by and published by Natural Resources Canada. This book was released on with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2001-F by :
Download or read book Geological Survey of Canada, Current Research (Online) no. 2001-F written by and published by Natural Resources Canada. This book was released on with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-C4 by :
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-C4 written by and published by Natural Resources Canada. This book was released on with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2006-A8 by : David Huntley
Download or read book Geological Survey of Canada, Current Research (Online) no. 2006-A8 written by David Huntley and published by Natural Resources Canada. This book was released on 2006 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-A7 by : Elizabeth S. Carter
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-A7 written by Elizabeth S. Carter and published by Natural Resources Canada. This book was released on 2000 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Upper Triassic sections outcropping on the Queen Charlotte Islands contain outstanding successions of conodont and radiolarian microfossils. This report focuses on the successions about the Carnian-Norian boundary at several key localities. This boundary may coincide with an interval of significant change in global fauna and flora, particularly in terrestrial habitats. The purpose of the study reported is to demonstrate faunal change that may potentially be used in global correlation and definition of the Carnian-Norian boundary, and thus contribute towards the resolution of historical events that date from that time. The report summarizes the radiolarian change within the boundary interval identified primarily by conodonts but supplemented by some molluscan data.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2003-B4 by :
Download or read book Geological Survey of Canada, Current Research (Online) no. 2003-B4 written by and published by Natural Resources Canada. This book was released on with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-A14 by :
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-A14 written by and published by Natural Resources Canada. This book was released on with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-A9 by : R. M. Friedman
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-A9 written by R. M. Friedman and published by Natural Resources Canada. This book was released on 2000 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-C3 by : D. E. Kerr
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-C3 written by D. E. Kerr and published by Natural Resources Canada. This book was released on 2000 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-E5 by : T. J. Katsube
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-E5 written by T. J. Katsube and published by Natural Resources Canada. This book was released on 2000 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Geological Survey of Canada, Current Research (Online) no. 2000-F6 by : T. Praamsma
Download or read book Geological Survey of Canada, Current Research (Online) no. 2000-F6 written by T. Praamsma and published by Natural Resources Canada. This book was released on 2000 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
