Calcite, fluorite and associated minerals from the Elmwood mine, smith county, Tennessee.

By: Kearns, Lance E.,Neely, Steve,Kielbaso, Joseph
Publication: The Mineralogical Record
Date: Thursday, May 1 2008

The Elmwood-Gordonsville lead-zine deposit in north-central Tennessee is a classic. Mississippi Valley-type, low-temperature, hydrothermal emplacement. The ore-bodies formed within breccias and solution cavities in Ordovician-age limestones and dolomites belonging to the upper Knox Group in the

Mascot and Kingsport formations. The minerals are deposited on the walls, floor and ceiling of an ancient cavern system. Development of the deposits for mining began in the 1960s with exploratory drilling. Production began in the 1970s and the mines flourished throughout the 1980s and 1990s. However, falling metal prices resulted in closure of the mines in 2003. During the 25 years of mining, tens of thousands of wonderful specimens of calcite, fluorite, sphalerite, barite and galena found their way to the mineral market. The minerals have been found in many combinations and in all sizes, from thumbnails to boulders too large to remove intact. The mines are currently being prepared for reopening.

[ILLUSTRATION OMITTED]

Specimen owners:

Houston Museum of Natural Science

Bryon Brookmyer

Kevin Brown

Ralph Finley

Mark Kielbaso

Susan and Joe Kielbaso

Rob Lavinsky

Wallace Mann

Betty Lou Neely

Steve Neely

Keith and Mauna Proctor

Bill Severence

Jeff Starr

Bill and Elsie Stone

Stuart and Barbara Strife

Stuart and Donna Wilensky

Chapter authors and showcase organizers: Lance E. Kearns,Steve Neely, Joseph Kielbaso and Walter Gaylord

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