Geology & Mineralization of Sediment-Hosted Gold Deposits of the Southern Carlin Trend, Nevada


Welcome to the Geological Society of Nevada’s 2005 Symposium Field Trip which will visit the
following mining districts: Emigrant, Bullion and Bald Mountain districts. We will visit “Carlintype”
gold deposits in different types of sedimentary host rocks and discuss the intrusive rocks
that are spatially associated with the deposits. At Emigrant and Bullion, the deposits occur
within the same host rocks, although proximity to intrusions in skarn polymetallic deposits is
quite different. At Bald Mountain, the deposits are hosted in a variety of sedimentary rocks and
intrusive rocks with less certainty as to the age of the deposits.
The field trip will begin in Reno on Thursday morning, May 19, with one evening spent in Elko
and one evening spent in Eureka. From Reno, we will drive to Newmont’s Emigrant Deposit
near the Rain Mine where Don Harris, Newmont senior geologist, will lead a discussion on the
deposit characteristics and development plans at Emigrant. Following the discussion, we will
walk on the deposit and look at outcrops. From Emigrant we will travel to the Bullion District
where Tim Master, Royal Standard Minerals exploration and development manager, will lead
a discussion on the East Jasperoid-POD Deposits and the underlying polymetallic potential of
the Bullion intrusion, followed by a walk on the outcrops. On Friday, May 20, we will leave Elko
and travel to Bald Mountain Mine where Tim Thompson, Placer Dome senior mine geologist,
will lead a discussion on new developments at the Bald Mountain Mine and plans to begin
mining in the intrusion. On Saturday, we have no formal plans to visit a mine site and can be
flexible to stop somewhere of interest on the trip back to Reno.

SKU: 05FT6 Category:

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