Gold in Jasperoid
February 2000 by Edgar B. Heylmun, PhDJasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...
As we have noted through the years, perhaps the most direct, single influence on the future of gold and silver is their monetary opposite—currencies in general, the US Dollar in particular.
Judging by news accounts, Tracy was doing exactly what H.R. 365, commonly referred to as the Mining Act of 1866, allows him to do.
Nearly everyone who has drywashed or metal detected for placer gold within hardrock gold-mining areas is aware of "residual placers" (a.k.a. seam diggin's)...
Republicans and industry representatives have criticized the administration’s eleventh-hour actions to limit development and promised to seek their reversal once Obama leaves office.
A rush of platinum and diamond exploration projects and discoveries is generating renewed interest in the historic gold-producing region of the Yentna-Cache Creek District in south-central Alaska.
First, I want to mention our new website. For over 18 months we’ve been working on a new design to make it easier to find the articles you are most interested in...
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
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