Subject: Hydrothermal deposits - Yale University Library GeoBlacklight Search Results

1. Map showing areas of limonitic hydrothermal alteration in the Lake City caldera area, western San Juan Mountains, Colorado

1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution, U.S. Geological Survey. English. Public. Colorado and Lake City.

2. Map showing locations of exposures of limonitic rocks and hydrothermally altered rocks in the Butte 1⁰?x 2⁰?quadrangle, Montana

1989. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Montana.

3. Map showing the distribution, mineralogy, and geochemistry of hydrothermally altered rocks in the Reno 1⁰ x 2⁰ quadrangle, Nevada and California

1995. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Nevada, Reno Region, and California.