Detecting for Gold in Australia—The Kimberley Trip
December 2010 by Jonathan PorterThe hair stood up on the back of my neck when I saw this, especially the nice patches of wash in the bottoms of the gullies, a sure sign of an auriferous source being nearby.
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
There are both hard rock and beach sand types of titanium deposits, but the hard rock deposits need to be at least 10 percent titanium while the beach sands often are economic with only two or three percent titanium.
...we will visit three dormant mining districts that lie in the Oquirrh Range in Utah. Some major activity that transformed the lives of thousands of people occurred here from the mid 1860s to the late 1990s.
...these nuggets have not traveled far from the lode because the golden wire lattices would have been torn apart or flattened during weathering of rock and deposition by violent stream action.
Only the richest ores could be worked and shipped off for processing at a profit. As a result, early mining in the southern part of the Humboldt Range was short-lived. In the 1880s, placers were discovered in Spring Valley and American Valley on the east side of the range...
A few quick calculations show that approximately 11 tons of gold are lost each year just in the manufacture of new cell phones.
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
The Bawl Mill • Ask The Experts—Iridium • Ask The Experts—Highbanker legal in CA?; Best place to sell raw gold? • Ask The Experts—Using classifiers • So, Where's The Gold?—Finding Gold Detectors Miss • The Oregon Claim • Forest Service v. Michael & Linda Backlund • Highbanking on the Feather River • CFTC Finds Evidence of Silver Market Manipulation • Gold in Arizona • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices