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Back Issues: July/August 1999

Colorado sphaleriteGouverneur quarryDinosaur ArtR. V. Gaines

Colorado sphalerite,
p. 220

Gouverneur quarry,
p. 236

Dinosaur Art,
p. 260

R.V. Gaines,
p. 271

ABOUT THE COVER: Sphalerite with pyrite and calcite, Portland mine, Ouray County, Colorado. Specimen 1.5 x 2 inches. Barbara Muntyan specimen, Jeff Scovil photo. See related article on sphalerite from Colorado beginning on page 220.
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Rocks & Minerals (74:04)
July/August 1999


220 Colorado Sphalerite

236 Minerals of the Gouverneur Talc Company No. 4 Quarry (Valentine Deposit), Town of Diana, Lewis County, New York

250 Connoisseur's Choice: Manganite, llfeld, Harz, Germany

254 Minerals of a Wausau Pegmatite, Marathon County, Wisconsin

260 Dinosaur Artist Phil Wilson (b. 1948)

263 Some Observations (and Tips) on Exhibiting
266 Rock Chips: Carbonate Concretions, Part 1

271 In Memoriam: Richard Venable Gaines (1917–1999)

275 Media Reviews


211 Chips from the Quarry

215 Letters to the Editor

218 Geo-Currents: Earth's Mantle

280 Museum Notes & Announcements

282 Internet Directory for the Earth Sciences

285 Coming Events

287 Classifieds





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