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SEG 45 Final_qx4 - Society of Economic Geologists

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6 <strong>SEG</strong> NEWSLETTER No 63 • OCTOBER 2005<br />

FROM THE EXECUTIVE EDITOR<br />

This is the final issue <strong>of</strong> the <strong>SEG</strong><br />

Newsletter that celebrates the centenary<br />

<strong>of</strong> <strong>Economic</strong> Geology, our preeminent<br />

publication. The <strong>Economic</strong> Geology One<br />

Hundredth Anniversary Volume incorporates<br />

1,146 pages that capture the state<br />

<strong>of</strong> our science from the collective perspectives<br />

<strong>of</strong> leaders in the field. Together with<br />

a comprehensive digital appendix, this<br />

publication promises to be an industry<br />

benchmark for years to come. The volume<br />

is set to roll <strong>of</strong>f the printing presses<br />

in October this year, precisely 100 years<br />

after publication <strong>of</strong> the very first issue <strong>of</strong><br />

<strong>Economic</strong> Geology. There are many people<br />

responsible for accomplishing this<br />

remarkable feat, the most visible being<br />

the editors, the authors, and the sponsors.<br />

All <strong>of</strong> these contributors will be<br />

prominently acknowledged in the publication<br />

itself. It is equally important that<br />

we recognize other key contributions—<br />

especially with respect to the timeliness<br />

<strong>of</strong> publication—made by Alice Bouley,<br />

managing editor at <strong>SEG</strong>, and Mabel<br />

Peterson, contract copyeditor. The entire<br />

CORRECTIONS AND AMPLIFICATIONS<br />

In the October 2004 <strong>SEG</strong> Foundation Contributions<br />

acknowledgments (p. 7), David A. Groves’ country affiliation<br />

should have been listed as USA.<br />

In the July 2005 <strong>Economic</strong> Geology Invited Commentary<br />

column (p. 41), the authors <strong>of</strong> the original paper are<br />

Andrew Kerr and Alison M. Leitch.<br />

In the July 2005 feature article by Dominic Channer et al.<br />

(p. 5, 13–22), acknowledgment was made <strong>of</strong> miscellaneous<br />

public domain information; the author plans to<br />

issue an addendum specifying sources. This will appear in<br />

a future issue.<br />

process also benefited enormously from<br />

the assistance and guidance provided by<br />

both Brian Skinner and John Thoms,<br />

respectively former and present chairs <strong>of</strong><br />

the Publications Board.<br />

Somewhat less predictable than the<br />

traditional printing process followed by<br />

the 100th Anniversary Volume has<br />

been the parallel production <strong>of</strong> the<br />

Hugo Dummett Memorial <strong>Economic</strong><br />

Geology Archive, a DVD product that<br />

captures 792 issues <strong>of</strong> <strong>Economic</strong> Geology<br />

from the period 1905–2004. The technology<br />

employed merges two regular<br />

DVD-Rs into a single DVD-9, or doubledensity<br />

DVD that can accommodate the<br />

entire 7 to 8 gigabytes <strong>of</strong> information.<br />

At the time <strong>of</strong> writing, I have reviewed<br />

several prototypes and was suitably<br />

impressed by the speed and utility <strong>of</strong><br />

this research tool. The <strong>Society</strong> will demo<br />

the DVD at the GSA meeting in Salt<br />

Lake City and members may place<br />

orders for the product at that time. Over<br />

the past 18 months in carrying out the<br />

digital archiving <strong>of</strong> <strong>Economic</strong> Geology, I<br />

received tremendous<br />

assistance<br />

from Jean<br />

Thoms, formerly<br />

head <strong>of</strong><br />

Subscription<br />

Services. Jean<br />

recently retired<br />

from the <strong>SEG</strong>—<br />

not, we hope, as<br />

a result <strong>of</strong> her<br />

Herculean effort<br />

on this project.<br />

Major contributors<br />

to the DVD are prominently<br />

BRIAN G. HOAL<br />

<strong>SEG</strong> Executive Director<br />

and Editor<br />

acknowledged on the product but the<br />

instrumental participation <strong>of</strong> a few is,<br />

as for the 100th Anniversary Volume,<br />

not as noticeable. In particular, I wish<br />

to thank the President <strong>of</strong> the <strong>SEG</strong><br />

Canada Foundation, Gerry Carlson, for<br />

his strong support and his role in raising<br />

the significant funds required to<br />

carry out this initiative.<br />

Happy Centenary, <strong>Economic</strong><br />

Geology! 1<br />

ANATOMY OF A TILTED PORPHYRY Cu<br />

BATHOLITH AND ITS HYDROTHERMAL<br />

ALTERATION FEATURES, YERINGTON,<br />

NEVADA (U.S.A)<br />

Instructors: John Dilles, Oregon State University<br />

Dick Tosdal, MDRU<br />

Full course: April 8-15, 2006<br />

Field trip only: April 11-13, 2006<br />

The course revolves around an 8-day field trip and mapping<br />

exercise at Yerington, Nevada, where Jurassic porphyry<br />

Cu, related deposits, and volcanic and plutonic<br />

complex are exposed in cross section because <strong>of</strong> Tertiary<br />

extension. The course is an opportunity to enhance skills<br />

in detailed field geologic mapping techniques for recording<br />

age, structural, and igneous information as well as<br />

hydrothermal veining, mineralization, and alteration.<br />

Mapping exercises are in porphyry Cu and skarn deposits.<br />

A field trip through the Yerington Batholith, volcanic<br />

cover rocks, porphyry Cu, and related Na-Ca alteration<br />

and Fe oxide-Cu (Au) systems complete the course.<br />

There is an option to attend only the field trip.<br />

Contact John Dilles (dillesj@geo.oregonstate.edu) or Dick<br />

Tosdal (mdru@eos.ubc.ca) for details. Cost and registration<br />

information available at www.mdru.ubc.ca. Deadline<br />

for registration is March 8, 2006.<br />

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