SEG 45 Final_qx4 - Society of Economic Geologists
SEG 45 Final_qx4 - Society of Economic Geologists
SEG 45 Final_qx4 - Society of Economic Geologists
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44 <strong>SEG</strong> NEWSLETTER No 55 • OCTOBER 2003<br />
<strong>Society</strong> <strong>of</strong> <strong>Economic</strong> <strong>Geologists</strong><br />
(in conjunction with Geological <strong>Society</strong> <strong>of</strong> Nevada’s<br />
Symposium 2005 – Window to the World)<br />
“Controversies on the Origin <strong>of</strong> World-Class<br />
Gold Deposits: Carlin and Witwatersrand”<br />
May 14, 2005 • Reno, Nevada<br />
The <strong>Society</strong> <strong>of</strong> <strong>Economic</strong> <strong>Geologists</strong> is sponsoring a one-day<br />
forum to examine and discuss the origins <strong>of</strong> gold deposits in the<br />
Carlin and Witwatersrand camps. Despite their importance, there<br />
is still no general agreement on their origins. For the Witwatersrand,<br />
the debate between placer and hydrothermal origins, and<br />
variations in between, has raged since discovery in 1886. For<br />
Carlin-type deposits, theories <strong>of</strong> origin have swung from shallowhot<br />
spring deposits to distal products <strong>of</strong> porphyry copper deposits<br />
to deep mesothermal deposits.<br />
Understanding the origins <strong>of</strong> these deposits has immense<br />
implications not only for future exploration success but also for a<br />
better insight into special earth processes that lead to such large<br />
metal anomalies. In the tradition <strong>of</strong> the scientific debates <strong>of</strong> the<br />
nineteenth and early twentieth centuries, we plan a series <strong>of</strong> talks<br />
that give contrasting views to the origin <strong>of</strong> these deposits, followed<br />
by panel discussions between experts and open discussions<br />
with the audience.<br />
Although discussions will likely be animated, the emphasis will<br />
be on looking forward and identifying where we need to go in<br />
the future to better understand and explore for these deposits.<br />
Organizer: John Muntean (John_Muntean@placerdome.com)<br />
<strong>SEG</strong> Co-Sponsored<br />
XII Congreso Peruano<br />
de Geología<br />
Natural science generating knowledge,<br />
added value and evolution<br />
Lima, Perú<br />
October 26 - 29, 2004<br />
For further information and<br />
expression <strong>of</strong> interest, contact:<br />
Sociedad Geológica del Perú<br />
(sgp@sgp.org.pe)<br />
César E. Vidal (nycvidal@terra.com.pe)<br />
ANNOUNCEMENTS<br />
Northwest Mining Association<br />
Welcomes Back <strong>SEG</strong><br />
You won’t want to miss<br />
The Old and the New About<br />
the Geology <strong>of</strong> Zinc<br />
Presented by <strong>SEG</strong><br />
at<br />
Mining and <strong>Society</strong>:<br />
A Partnership into the Future<br />
Our 109th Annual Meeting,<br />
Exposition and Short Courses<br />
December 2–6, 2003<br />
Red Lion at the Park<br />
Spokane, Washington<br />
For complete program,<br />
exhibit and short course information<br />
contact Pat Heywood at NWMA<br />
Phone: (509) 624-1158 x 11 Fax: (509) 623-1241<br />
Email: pheywood@nwma.org<br />
Web: nwma@nwma.org<br />
• Geophysical Consulting, Survey Design,<br />
Data Interpretation<br />
• Subsurface Structural Mapping<br />
• Ground Water Delineation<br />
• Minerals Exploration<br />
• Rentals<br />
GEOPHYSICAL SERVICES<br />
• Equipment Sales<br />
• Physical Properties Lab<br />
Electromagnetic<br />
(EM) Techniques,<br />
Induced Polarization<br />
(IP) Techniques, Gravity,<br />
Magnetics, Shallow Seismic,<br />
& Downhole Techniques<br />
ZONGE<br />
ENGINEERING & RESEARCH ORGANIZATION<br />
1-800-523-9913 or 520-327-5501<br />
Fax 520-325-1588, seg@zonge.com, www.zonge.com<br />
Offices World Wide<br />
USA: -Tucson, Arizona -Sparks, Nevada -Anchorage & Fairbanks, Alaska<br />
Other: -Australia -Chile -Brazil -Indonesia<br />
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