Tertiary Volcanic-Hosted Epithermal Precious Metal Deposits

of the Walker Lane Trend, SW Nevada

Code: SFT-2023
Date: September 23-30, 2023
Location: United States

Application Deadline: June 9, 2023
Selected Participant Notification: June 20, 2023
Participant Capacity: 15-20


SFT 2023 will be the 21st in the continuing series of SEG Foundation (SEGF)-sponsored student field trips and marks the 17th anniversary of the program.

The trip will start and end at Harry Reid International Airport (formerly McCarran International Airport) in Las Vegas, Nevada, USA. Ore controls, alteration and mineralization paragenesis will be discussed. Early site visits will include the low-sulfidation systems at Aurora / Borealis and the Round Mountain mine, the first major gold mine in North America to be established on the basis of heap leaching as the principal mode of ore processing. The trip will then visit historic mining areas seeing renewed exploration, including the Tonopah (intermediate-sulfidation) and Goldfield (high-sulfidation) districts. Several days are planned in the Beatty area, visiting areas of past mining and current exploration.

The SFT 2023 trip itinerary stresses the importance of building a high-confidence, well-documented and comprehensive multi-disciplinary database which evolves over time as the projects matures from early-stage exploration towards supporting a decision to finance an operating mine. On the mine, production aspects of economic geology will be stressed including metallurgy, geotechnical and hydrogeology, reclamation and reserves replacement through brownfields exploration – emphasis will focus upon the integration of all 3D databases to meet real time production planning decisions.

Leaders are William X. Chávez, Jr. (SEG Fellow), Erich U. Peterson (SEG Fellow), and R. Brock Riedell (SEG Fellow). Watch this space and the SEGF SFT webpage. Accepted SEG Student Members will participate in field visits (mine visits, core shack visits to look at core, and key outcrop visits) and oral presentations and discussions will include ore controls, alteration and mineralization paragenesis. Active SEG Student Members enrolled at an accredited university are eligible to apply and must submit the Student Application Form by June 9, 2023.

Acceptance is competitive and limited to 15-20 students for this exceptional trip. Selected students will be notified on or before June 20, 2023. TRAVEL VISA MAY BE REQUIRED FOR THIS FIELD TRIP – students must check their visa requirements. Selected students must confirm participation within two-days of their receiving notification of acceptance.


References Itinerary Information Packet

Trip Leaders


William Chávez, Jr.

New Mexico School of Mines

SEG Fellow since 1990


Erich Petersen

University of Utah

SEG Fellow since 1986


R. Brock Riedell

Independent Consulting Geologist

SEG Fellow since 2003


Questions and general inquiries should be directed to Vicky Sternicki, SEG Student Services, at students@segweb.org.


Application Deadline: June 9, 2023
Selected Participant Notification: June 20, 2023

9/23/2023 - 9/30/2023

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