ECONOMIC GEOLOGY
and the
Bulletin of the Society of Economic Geologists
Volume 92 November-December 1997 Number 7/8

A Special Issure Devoted to the Timing and Duration of Hydrothermal Events

PREFACE: The Timing and Duration of Hydrothermal Events
H.J. Stein and L.M. Cathles    pp. 763-765

How Long can a Hydrothermal System be Sustained by a Single Intrusion Event?
L.M. Cathles, A.H.J. Erendi, and T. Barrie   pp. 766-771

Kinetics of Iron Depletion near Pyrrhotite and Chalcopyrite Inclusions in Sphalerite: The Sphalerite Speedometer
Toshio Mizuta and Steven Scott   pp. 772-783

40Ar/39Ar Geochronology of Cu-Au and Au-Ag Mineralization in the Potrerillos District, Chile
Timothy Marsh, Marco T. Einaudi, and Michael McWilliams   pp. 784-806

Brief Duration of Hydrothermal Activity at Round Mountain, Nevada Determined from 40Ar/39Ar Geochronology
Christopher D. Henry, Hallet B. Elson, William C. McIntosh, Matthew Heizler, and Stephen Castor   pp. 807-826

Highly Precise and Accurate Re-Os Ages for Molybdenite from the East Qinling Molybdenum Belt, Shaanxi Province, China
H. J. Stein, R. J. Markey, J. W. Morgan, A. Du and Y. Sun   pp. 827-835

Potential Links between Ocean Plateau Volcanism and Global Ocean Anoxia at the Cenomanian-Turonian Boundary
C. W. Sinton and R. A. Duncan

Temporal Changes in Mineralization Style at the Cadjebut Mississippi Valley-Type Deposit, Lennard Shelf
Linda A. Tompkins, Burkhard Eisenlohr, David I. Groves, and Michael Raitz   pp. 843-862

Evidence of Episodic Fluid, Gas, and Sediment Venting on the Northern Gulf of Mexico Continental Slope
Harry H. Roberts and Robert S. Carney   pp. 863-879

Hydrodynamics of Regional Metamorphism Due to Continental Collision
R. Brooks Hanson   pp. 880-891
 

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