UID:
almahu_9949697940902882
Umfang:
1 online resource (474 p.)
ISBN:
1-4832-8970-2
Serie:
Handbook of Exploration Geochemistry ; Volume 3
Inhalt:
Rock Geochemistry in Mineral Exploration
Anmerkung:
Description based upon print version of record.
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Front Cover; Rock Geochemistry in Mineral Exploration; Copyright Page; Preface; Table of Contents; Introduction; PART I: GENERAL PRINCIPLES; Chapter 1. Geochemistry in the exploration sequence; Introduction; Principles underlying geochemical exploration; Main types of geochemical surveys; Sequence of geochemical exploration; Conclusions; Chapter 2. Crustal abundance, geochemical behaviour of the elements, and problems of sampling; Abundance of the elements; Classification and geochemical behaviour of the elements; Sampling; Chapter 3. Recognition of geochemical anomalies; Introduction
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Background and thresholdSpatial distribution of data; The ""law of lognormality""; Population partition; Anomalous patterns; Soviet interpretative procedures; Conclusions; PART II: REGIONAL SCALE EXPLORATION; Chapter 4. Regional scale exploration for deposits of plutonic association - discrimination between productive and barren intrusions; Element concentration and geochemical specialization; Character of frequency distributions; Case histories based on whole rock analyses of felsic intrusions; Case histories based on whole rock analyses of mafic intrusions
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The use of mineral separates, halogens, and mineral-selective leachesConclusions; Chapter 5. Regional scale exploration for deposits of plutonic association -identification of tin granites; Introduction; Case histories; Discussion of an interpretative procedure; Conclusions; Chapter 6. Regional scale exploration for vein and replacement deposits; Introduction; Anomalies of more than 6 km; Anomalies of 3-6 km; Anomalies of 1-3 km; Conclusions; Chapter 7. Regional scale exploration for stratiform deposits of volcanic and sedimentary association; Introduction
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Geology and genesis of massive sulphide depositsArchaean massive sulphides of the Canadian Shield; Proterozoic massive sulphides of the Canadian Shield; Palaeozoic massive sulphides in New Brunswick; Massive sulphide deposits in Cyprus; Other examples of volcanic-hosted massive sulphides; Massive sulphides of sedimentary association; Conclusions; PART III: LOCAL AND MINE SCALE EXPLORATION; Chapter 8. Local and mine scale exploration for porphyry-type deposits; Introduction; Canadian case histories; U.S. case histories; Use of rubidium, strontium and potassium; Conclusions
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Chapter 9. Local and mine scale exploration for vein and replacement depositsIntroduction; Logarithmic decay patterns; Surface and weathered bedrock surveys; Techniques of determining dimensions and distances of veins; Conclusions; Chapter 10. Local and mine scale exploration for stratiform deposits of volcanic and sedimentary association - Precambrian, Proterozoic, and Kuroko deposits; Introduction; Archaean and Proterozoic deposits; Kuroko deposits; Conclusions; Chapter 11. Local and mine scale exploration for stratiform deposits of volcanic and sedimentary association - New Brunswick
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Introduction
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English
Weitere Ausg.:
ISBN 1-322-25649-7
Weitere Ausg.:
ISBN 0-444-42021-5
Sprache:
Englisch
