ECONOMIC GEOLOGY, 2002, V 97, N 1, January-February.

Relationship of Epithermal Gold Deposits to Large-Scale Fractures in Northern Nevada

D. A. Ponce and J. M. G. Glen   
pp. 3-9

The St. Eugene Deposit, British Columbia: A Metamorphosed Ag-Pb-Zn Vein in 
Proterozoic Belt-Purcell Rocks
Isabelle Jonacs and Georges Beaudoin   
pp. 11-22

Age and Origin of Base and Precious Metal Veins of the Coeur D'Alene Mining 
District, Idaho
Robert J. Fleck, Robert E. Criss, Gail F. Eaton, Rodney W. Cleland, Craig S.
Wavra, and William D. Bond   
pp. 23-42
 
Structural Setting and Geochronology of Auriferous Quartz Veins at the High Rock 
Island Gold Deposit, Northwestern Superior Province, Manitoba, Canada
Shoufa Lin and Fernando Corfu   
pp. 43-57

 
Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of 
the Chilean Iron Belt, Based on Re-Os Isotopes
Ryan Mathur, Robert Marschik Joaquin Ruiz Francisco Munizaga, Richard A. 
Leveille, and Walter Martin   
pp. 59-71

 
Timing of Interplay between Hydrothermal and Surface Fluids in the Navan Zn + Pb 
Orebody, Ireland: Evidence from Metal Distribution Trends, Mineral Textures, and 
d34S Analyses
Robert J. Blakeman, John H. Ashton, Adrian J. Boyce, Anthony E. Fallick, and 
Michael J. Russell    
pp. 73-91
 
The Paleoproterozoic Mg And Mg-Fe Borate Deposits of Liaoning and Jilin 
Provinces, Northeast China
Qi-Ming Peng and Martin R. Palmer   
pp. 93-108
 
Multiple Origins of Alluvial Diamonds from New South Wales, Australia
Rond M. Davies, Suzanne Y. O'Reilly, and William L. Griffin   
pp. 109-123
 
A Textural, Mineralogical, and Statistical Study of the Footwall Breccia within 
the Strathcona Embayment of the Sudbury Structure
Kelli A. McCormick, John S. Fedorowich, Andrew M. McDonald, and Richard S. James   
pp. 125-143

 
40Ar/39Ar Geochronologic Constraints on the Timing of Massive Sulfide and Vein-
Type Pb-Zn Mineralization in the Western Meseta of Morocco
Yasush Watanabe   
pp. 145-157

Scientific Communications


Ion-Microprobe Analysis of FeTi Oxides: Optimization for the Determination of 
Invisible Gold
Adrienne C.L. Larocque, James A. Stimac, Greg McMahon, Jennifer A. Jackman, 
Victor P. Chartrand, Donald Hickmott, and Eric Gauerke   
pp. 159-164

 Chemical Weathering of Serpentine and Ni Enrichment in Fe Oxide at Sukinda 
Area, Jajpur District, Orissa, India
S. K. Som and R. Joshi   
pp. 165-172