ECONOMIC GEOLOGY, 2001, V 96, N 7, November.

Origin of the Gacun Volcanic-hosted Massive Sulphide Deposit in Sichuan, China: 
Fluid inclusion and oxygen isotope evidence 
Hou Zengqian, Khin Zaw,  Qu Xiaoming, Ye Qingtong, Yu Jinjie, Xu Mingji,
 Fu Deming, and Yin Xianke 

Textures of the Hellyer volcanic-hosted massive sulfide deposit, Tasmania - the 
ageing of a sulfide sediment  on the sea floor 
Michael Solomon and Orlando C. Gaspar 
  
The geology of the Nifty copper deposit, Throssell Group, Western Australia: 
Implications for ore genesis 
Bruce R. Anderson, J. Bruce Gemmell and Ron F. Berry 
  
Carbon and oxygen isotope halo in carbonates related to the McArthur River (HYC) 
Zn-Pb-Ag deposit: Implications for sedimentation, ore genesis and mineral 
exploration 
Ross R. Large, Stuart W. Bull and Peter R. Winefield 
  
Exhalative mineralization in Devonian reef complexes of the Canning Basin, 
Western Australia 
Phillip E. Playford and Malcolm W. Wallace 

  
Fluid characteristics of granitoid-hosted gold deposits in the Birmian terrane 
of Ghana:  A fluid inclusion microthermometric and Raman spectroscopic study 
Y. Yao, P.J. Murphy and L. J. Robb 
  
Multiple hydrothermal processes in footwall units of the North Range, Sudbury 
igneous complex, Canada, and implications for the genesis of vein-type 
Cu-Ni-PGE deposits 
Ferenc Molnar, David H. Watkinson and Peter C. Jones 

U-Pb dating of zircon and 40Ar/39Ar dating of biotite  at Bingham, Utah 
W. T. Parry, Paula N. Wilson, D. Moser, and Matthew T. Heizler 
  
Scientific Communications 
Paleo-seafloor VMS mineralization related to a cooling Komatiite flow, Abitibi 
Subprovince, Canada 
C. Tucker Barrie, Alex Erendi and Laurence M. Cathles III 
  
Discussion and Reply 
Application of apatite (U-Th)/He thermochronometry to the determination of the 
sense and amount of vertical fault displacement at the Chuquicamata porphyry 
copper deposit, Chile - A discussion 
Andrew J. Tomlinson, John H. Dilles, and Victor Makasaev 

Application of apatite (U-Th)/He thermochronometry to the determination of the 
sense and amount of vertical fault displacement at the Chuquicamata porphyry 
copper deposit, Chile - A reply 
Brent I.A. McInnes, Kenneth A. Farley, Richard H. Sillitoe, and Barry P. Kohn