Gold Placers in Italy
Gold is a fairly widespread mineral in the Italian Alps and in the Northern Apennines. It is found both in primary mineralization and in past and recent floods.
Down around 10 or 12 inches I hit a large cobble that appeared to be one type of hot rock for this area. I thought bad things about the new technology until I checked the rock.
So, how much rain does it take to cause a major movement of gravels in a stream and redistribute the gold? The technical answer is enough water to move the bed load of the river.
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.
It’s accepted knowledge that wet methods will recover more fine gold than dry methods and processing the gravel as a whole will get more gold than only using a metal detector. The question is how much more?
In our May 2013 issue, we took a look at the mineral quartz, a mineral very commonly associated with gold. However, gold is not the only reason prospectors are interested in quartz. Quartz can also be very valuable as a gemstone
This article will hopefully provide a few constructive hints on how to use your downtime during the cold winter and the wet spring to best prepare for the upcoming nugget-hunting season.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts - What are these thin brittle sheets with reddish powder? • Ask The Experts - Are custom mills available for titanium and tungsten? • Ask The Experts - What assay value is needed for cobalt deposits? • Ask The Experts - What do you think is the source of gold in this area of Ireland? • Annual Claim Filings Due • Highbanking for Gold • Critical Minerals: Titanium—Part II • Detector Brings New Life to An Old Lode Mine • The Batteries Metal Rush • Blackberries and Gold • Writing It All Off After The Tax Cuts and Jobs Act • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices