Conceptual Models In Exploration Geochemistry - 1st Edition - ISBN: 9780444413147, 9780444601766

Conceptual Models In Exploration Geochemistry

1st Edition

The Canadian Cordillera And Canadian Shield

Authors: P Bradshaw
eBook ISBN: 9780444601766
Imprint: Elsevier
Published Date: 1st January 1975
Page Count: 232
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Conceptual Models in Exploration Geochemistry: The Canadian Cordillera and Canadian Shield is a compilation of 38 case histories from the shield and the cordillera. This volume aims to develop models ideally for the systematic description and exploration of geochemical data. These idealized models describe the principles and mechanisms of anomalies, which govern the use of exploration geochemistry. Furthermore, this volume focuses on the use of soils and sediments in exploration geochemistry.
This volume is divided into four sections, the first of which is an introduction about landscape geochemistry, the idealized models, standardization of field data, and the general principles of geochemical migration. The second section consists of the idealized models and nineteen case studies obtained from the Canadian Cordillera. The third section also consists of idealized models and case studies but these were obtained from the Canadian Shield. Both the second and third sections discuss, in different views, the mineral zoning and distribution of mineralization, Pleistocene geology, physiography, climate and vegetation, and soils. This volume concludes with a discussion on orientation sampling and standardization of data collection and presentation.

Table of Contents





Landscape geochemistry

Relationships between landscape geochemistry and exploration geochemistry

Section A. Introduction


Landscape geochemistry

Idealized models

Standardization of field data


General principles of geochemical migration

Section B. The Canadian Cordillera


Mineral zoning and distribution of mineralization

Pleistocene geology

Physiography and climate



Idealized models

A. Mobile elements in well-drained soil

B. Mobile elements in seepage zones

C. Mobile elements in bogs

D. Effect of variation in overburden thickness

E. Chemical mobility

F. Effect of rock type change

G. Different soil types

Case histories


Afton Cu deposit, British Columbia

Anvil Pb—Zn deposit, Yukon Territory

Bell Copper (Newman), British Columbia

Boss Mountain Mo deposit, British Columbia

Brenda Cu- Mo deposit, British Columbia

Cariboo Bell Cu deposit, British Columbia

Chutanli Mo prospect, British Columbia

Gibraltar Cu—Mo deposit, British Columbia

Highmont Cu- Mo deposits, British Columbia

Huckleberry Cu -Mo deposit, British Columbia

Ingerbelle Cu deposit, British Columbia

Island Copper deposit, British Columbia

Keno Hill Pb—Zn—Ag area, Yukon Territory

MacMillan Pass region, Yukon Territory

Malony Creek ("Pot" Group) Cu—Mo prospect, Yukon Territory

Mount Nansen field area, Yukon Territory

Papoose Lake area, British Columbia

Sam Goosly Cu deposit, British Columbia

Sheslay Cu—Mo prospect, British Columbia

Valley Copper deposit, British Columbia

Williams Creek Cu prospect, Yukon Territory

Section C. The Canadian Shield


Mineral zoning and distribution of mineralization

Pleistocene geology

Physiography, climate and vegetation



Idealized models

A. Mobile elements in thin overburden

B. Effect of variation in overburden thickness

C. Multiple episodes of glaciation

D. Effect of rock type changes

E. Chemical mobility

F. Mobile elements in bogs

G. Different soil types

Case histories


Lac Albanel Cu—Pb—Zn prospect, Quebec

Beechey Lake metasedimentary belt, Northwest Territories

Canagau Zn- Pb—Cu—Ag—Au deposit (Ben Nevis area), Ontario

Cobalt Ag area, Ontario

Consolidated Mogador Cu Pb—Zn—Ag—Au deposit, Quebec

Dorset area, Ontario

Flin Flon Cu area, Manitoba

Kidd Creek Cu—Zn—Ag deposit, Ontario

Limerick Ni—Cu prospect, Ontario

Magusi River Zn—Cu deposit, Quebec

Manitouwadge Cu-Pb—Zn deposit, Ontario

Mattagami Lake Cu—Pb—Zn deposit, Quebec

Nighthawk Lake area, Ontario

Fox Lake Cu—Zn deposit, Manitoba

Southern Lake Ni prospect, Northwest Territories

Troilus Cu deposit, Quebec

Wintering Lake Cu—Ni prospect, Manitoba


Common glacial sediments of the Shield, their properties, distribution, and possible uses as geochemical sampling media

Section D. Orientation sampling and standardization of data collection and presentation


Data collection

Data presentation

References cited



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© Elsevier 1975
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About the Author

P Bradshaw

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