EconomicGeologySEPTEMBER–OCTOBER 2006 VOLUME 101 / NUMBER 6

BULLETIN OF THE SOCIETY OF ECONOMICGEOLOGISTS

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ECGLAL 101(6) 1103–1326 ISSN 0361-0128Visit <www.segweb.org/contract.pdf> for institutional online access

CONTENTS

A Special Issue Devoted to Australian Zn-Pb-Ag Deposits: A Basin System and Fluid-Flow Analysis

Peter N. Southgate, T. Kurtis Kyser, and Ross R. Large, Guest Editors

A Basin System and Fluid-Flow Analysis of the Zn-Pb-Ag Mount Isa-Type Deposits of Northern Australia: Peter N. Southgate, T. Kurtis Kyser, Identifying Metal Source, Basinal Brine Reservoirs, Deborah L. Scott, Ross R. Large, Times of Fluid Expulsion, and Organic Matter Reactions Suzanne D. Golding, and Paul A. Polito 1103

Australian Zn-Pb-Ag Ore-Forming Systems: David L. Huston, Barney Stevens, Peter N. Southgate, A Review and Analysis Peter Muhling, and Lesley Wyborn 1117

Sandstone Diagenesis in the Mount Isa Basin: An Isotopic and Fluid Inclusion Perspective in Relationship to District-Wide Zn, Pb, and Paul A. Polito, T. Kurtis Kyser, Cu Mineralization Peter N. Southgate, and M. Jim Jackson 1159

The Role of Sandstone Diagenesis and Aquifer Evolution in the Formation of Uranium and Zinc-Lead Deposits, Southern McArthur Basin, Paul A. Polito, T. Kurtis Kyser, Northern Territory, Australia and M. Jim Jackson 1189

Thermal Evolution of the Ore-Hosting Isa Superbasin: M. Glikson, S. D. Golding, Central and Northern Lawn Hill Platform and P. N. Southgate 1211

Timing and Chemistry of Fluid-Flow Suzanne D. Golding, Events in the Lawn Hill Platform, I. Tonguç Uysal, Miryam Glikson, Northern Australia Kim A. Baublys, and Peter N. Southgate 1231

Zinc Deposits and Related Mineralization of the Burketown Mineral Field, Including the World-Class Century Deposit, Northern Australia: Paul A. Polito, T. Kurtis Kyser, Fluid Inclusion and Stable Isotope Evidence Suzanne D. Golding, for Basin Fluid Sources and Peter N. Southgate 1251

Basin-Scale Numerical Modeling to Test the Role of Buoyancy-Driven Fluid Flow and Heat Transfer in the Formation of Stratiform Zn-Pb-Ag Deposits Jianwen Yang, Ross R. Large, in the Northern Mount Isa Basin Stuart Bull, and Deborah L. Scott 1275

Fluid Flow during Deformation Associated with Structural Closure of the Isa Superbasin at 1575 Ma in the Central and Northern Lawn Hill Platform, Y. Zhang, P. Sorjonen-Ward, Northern Australia A. Ord, and P. N. Southgate 1293

Reviews

Melt Inclusions in Plutonic Rocks. Mineralogical Association of Canada, Short Course Volume 36 (J. Webster, ed.) Tim Baker 1313

Archean Geodynamics and Environments. AGU Geophysical Monograph 164 (K. Benn, J-C. Maraschel, and K. C. Condie, eds.) D. I. Groves 1313

Basin Analysis: Principles and Applications, 2nd ed. (P. A. Allen and J. R. Allen) A. McIntyre 1314

Interesting Papers in Other Journals 1317

Erratum 1325

ELECTRONIC ACCESS TO ECONOMIC GEOLOGY FROM 2000Available with print subscription. Visit <http://sample.segweb.org> for a preview

Celebrating a Century of Science and Discovery 1905–2005

www.segweb.org

Drill hole

Cenozoic

138° 30’ 139° 00’

Mineral occurrence

Comalco seismic grid

Regional profile

Georgina Basin sediments(Cambrian)

South Nicholson Group(Mesoproterozoic)

Isa Superbasin sediments(1670 - 1575 Ma)

A83-04A83-04

1

P2P1Calvert and LeichhardtSuperbasin sediments(~1800 - 1690 Ma)

Nicholson Granite andCliffdale volcanics

Argyle Creek

A83-02

DD94LH532DD92LH376

DD91LH235DD91LH265

18° 00’

TRF Termite Range Fault

Murphy Inlier 50 100 150 km

10

20~1575 Ma

Dep

th (

km)

Scale =VH

21

WalfordCreek Century

Deep basinaquifer

Metal source mature

Thermal leaching window

Metal source immature

Eliz

abet

h C

reek

faul

t

Egilabria 1Egilabria 1

NorthernLawn HillPlatform Egilabria 1

Desert Creek 1

N

Littl

e R

ange

faul

t

Deep basinaquifer

Dense oldcrust

Walford Creek

CentralLawn HillPlatform

0

0 25 km

Beamesbrook 1Beamesbrook 1

ElizabethCreek Fault

Little Range Fault

A83-01

RVD 047

GSQ Lawn Hill 03

RVD 050/051

A83-05

TRF

Century

DD90LH065

DD92LH375

AUSTRALIAN Zn-Pb-Ag DEPOSITS: BASIN SYSTEM AND FLUID FLOW ANALYSIS

IN THIS ISSUE• Australian Zn-Pb-Ag Mineral Systems • Fluid Chemistry in the Lawn Hill Platform• Sandstone Diagenesis in the Mt. Isa Basin • Fluid Sources in the Burketown Mineral Field• Sandstone Diagenesis in the Southern McArthur Basin • Numerical Modeling of Buoyancy-Driven Fluid Flow• Thermal Evolution of the Lawn Hill Platform • Numerical Modeling of Deformation-Driven

Fluid Flow

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