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Mineral Deposit Density -- An Update

U.S. Geological Survey Professional Paper 1640-A
Version 1.0

By Donald A. Singer, W. David Menzie, David M. Sutphin, Dan L. Mosier, and James D. Bliss

2001

CONTRIBUTIONS TO GLOBAL MINERAL RESOURCE ASSESSMENT RESEARCH
Edited by Klaus J. Schulz

A description of a method to estimate the numbers of
undiscovered deposits and a compilation of 27 mineral
deposit density estimates for 13 deposit types

CONTENTS

Mineral Deposit Density -- An Update
Editor's Preface
Conversion Factors
Abstract
Introduction
Acknowledgments
Three-Part Assessments
Mineral Deposit Densities
Placer Gold Deposits
Cyprus Massive Sulfide Deposits
Kuroko Massive Sulfide Deposits
Porphyry Copper Deposits
Climax Porphyry Molybdenum Deposits
Wolframite Quartz Vein Deposits
A Complexity
Scale Issues
Conclusions
References Cited

FIGURES

  1. Plan view of known deposits in 12 hypothetical well-explored permissive areas and histogram of derived deposit densities
  2. Histogram of the number of podiform chromite deposits per square kilometer of ultramafic rock in 27 California counties and in 12 Oregon areas
  3. Graph of the number of podiform chromite deposits in 27 California counties vs. area of ultramafic rock

TABLE

  1. Mineral deposit densities for 13 selected deposit types from this report and previous publications


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U.S. DEPARTMENT OF THE INTERIOR
GALE A. NORTON, Secretary

U.S. GEOLOGICAL SURVEY
CHARLES G. GROAT, Director

U.S. GEOLOGICAL SURVEY, RESTON, VIRGINIA : 2001
Version 1.0

Published in the Eastern Region, Reston, Va.
Manuscript approved for publication September 28, 2001.

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Library of Congress Cataloging in Publication Data

Mineral deposit density: an update / by Donald A. Singer . . . [et al.].
   p. cm. -- (U.S. Geological Survey professional paper ; 1640-A) (Contributions to global mineral resource assessment research)
1. Ore deposits -- United States. 2. Mines and mineral resources -- United States. I. Singer, D. A. II. Series.
      III. Geological Survey professional paper ; 1640-A.
QE75.P9 v. 1640-A
[TN23]
553'.0973-dc21                                    2001055704


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