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Author: R. D. Dyer Publisher: [Sudbury] : Ontario Geological Survey ISBN: Category : Geochemical prospecting Languages : en Pages : 102
Book Description
Reports results of a high-density lake-sediment and water geochemical survey carried out in the Atikokan-Lumby Lake area located west of Thunder Bay, Ontario. Lake sediment samples were collected at 1,969 lake sites and water samples were collected from 2,129 sites. Analyses identified a number of anomalous elements and the anomalous areas are ranked in order of highest priority or exploration interest. Information is included of the regional geology, sampling and analytical methods, and regional geochemical patterns. Appendices include proportional dot maps of geochemical parameters as well as data tables.
Author: S.B. Lucas Publisher: Geological Society of America ISBN: 0813754461 Category : Science Languages : en Pages : 395
Book Description
This volume contains a description of the geology and mineral deposits of the Superior Province of the Canadian Shield, an overview of Grenville Province geology, and a synopsis of Precambrian fossil occurrences in North America. Six large plates include a geological map of Canada, geological map of the Grenville Province, lithotectonic map of the Superior Province, Archean mineral deposit map of the Superior Province, and more.
Author: Denver Stone Publisher: ISBN: Category : Science Languages : en Pages : 122
Book Description
The Eye-Dashwa pluton is among the youngest major intrusions in the Atikokan area and is compositionally zoned from a quartz monzodiorite rim to a granite core. This report provides the regional geological setting of the Eye-Dashwa pluton by defining geological boundaries as well as mineralogical, petrological, and geochemical characteristics of the pluton and neighbouring lithological units. Major structural fractures and metamorphic conditions are discussed, and using isotopic age data, the geological events affecting the Archean crust in the area is examined. Certain unresolved problems in Archean geology of the area are identified.
Author: Kent C. Condie Publisher: Geological Society of America ISBN: 0813724406 Category : Science Languages : en Pages : 306
Book Description
"Inspired by a GSA Penrose Conference held in Lander, Wyoming, June 14-18, 2006, this volume discusses the beginning and evolution of plate tectonics on Earth, and gives readers an introduction to some of the uncertainties and controversies related to the evolution of the planet. In the first three sections of the book, which cover isotopic, geochemical, metamorphic, mineralization, and mantle geodynamic constraints, a variety of papers address the question of when "modern-style" plate tectonics began on planet Earth. The next set of papers focuses on the geodynamic or geophysical constraints for the beginning of plate tectonics. The volume's final section synthesizes a broad range of evidence, from planetary analogues and geodynamic modeling, to Earth's preserved geologic record. This work provides an excellent graduate level text summarizing the current state of knowledge and will be of interest to a wide range of earth and planetary scientists."--Publisher's website.
Author: R. D. Dyer
Author: 
Author: S.B. Lucas
Author: Institute on Lake Superior Geology. Meeting
Author: Denver Stone
Author: Ontario Geological Survey
Author: Bruce R. Doe
Author: 
Author: Institute on Lake Superior Geology
Author: Kent C. Condie
Author: