Mining Stock Quotes and Mineral & Metal Prices
April 2006 by Staff
• Crown Resources Corp.
• X-Cal Resources Ltd.
• Altair International
• Royal Gold, Inc.
Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.
Gold mining companies are being conservative in asset valuations despite recent spikes in gold prices in terms of US dollars, according to a survey by PricewaterhouseCoopers.
The majority of the gold produced in Goldfield has come from ores that are close enough to the surface to be oxidized by the air. This oxidized ore is normally a soft, shattered, earthy material usually stained yellow to brown by oxides of iron.
Is this a valid claim?
The Bawl Mill • Federal Court to Address Dredge Permits—The Tulloch Rule • Basic Geology for the Independent Miner—Part IV Geology of Hardrock Gold Deposits • Economic Impact of Mining in Alaska • The Kenai Peninsula Goldfields • Copper Price Keeps Canadian Miners Busy • The Business of Mining: Financial Recoveries for Mandated Changes • Utilizing Geologic Maps • The Rich Hill Outing • Picks & Pans: Detecting at Ganes Creek • Copper Mine Opening in Utah • Future of Mining in Bolivia Uncertain • Melman on Gold & Silver