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Finding Gold in Minnesota

Finding gold in Minnasota is not easy but ut us there. Recent discoveries in the Duluth Complex of the Arrowhead has uncovered much lode gold and PGMs.

Like all the other Midwestern States the glaciers have brought down gold from the gold regions of Manitoba and Ontario. Placer gold is found throughout the state were the best prospecting is in the rivers and streams. Another place where placer gold may be found is along the North Shore's of Lake Superior. There is an active gold prospecting community that is located in Minnesota.

If you asked me 10 years ago if there was any lode gold in the bedrock of Minnesota I would've probably said that as far as the state knows there is none. What a difference 10 years can make in the mining business. Probably one of the hottest areas to prospect in North America is the Duluth Intrusive Complex located in the Arrowhead.

There are several exploration companies headquartered around Eli that have made some absolutely fantastic discoveries in the past 10 years. One of these companies, Duluth Metals Ltd., has proved that where they are drilling there are approximately 1.21 million ounces of gold. This doesn't include the other metals that they have found like copper, nickel and platinum group metals (PGMs).

The Duluth Complex is the second largest intrusive of complex in the world after the Bushveld Complex in South Africa. The South African complex is one of the largest producers of these metals in the world. In their report titled, “The Nokomis Deposit Model” Duluth Metals pretty well lays out the project and what they are finding. That just doesn't mean that all the action for finding gold is limited to their project you have the entire Arrowhead to explore.

Gold is often associated with other one of these metals and iron, and no one from Minnesota will argue that there isn't any iron in Minnesota. One of the forms of deposit that gold is often associated with is granular magnetite. If there is any granular magnetite in Minnesota it may very well be worth some prospectors effort to look at the deposits.

The Northern Miner based in Toronto recently ran an article about how banded iron formations (BIF) are often the host for gold. The gold in the BIF'sIs often found intergrown with pyrite or pyrrhotite. BIF's are considered to be sedimentary formations that were deposited during the pre-Cambrian. Many of the iron deposits that are found in Minnesota are of this type.

The Mesabi Range was actually discovered by some gold prospectors in northern Minnesota, and once they found this rich in iron formation they were no longer interested in gold. It has been over 100 years since the discovery of these ore beds that are now pretty much mined out. However, there are huge deposits of taconite to take their place, and several plants that are just devoted to making iron ore pellets from the taconite. They are then shipped to the steel producers on the Lower Lakes.

The author would imagine that there is still plenty of gold to be found in Minnesota.

For more information about gold mining go here!

References:

Minnesota gold discovery, http://www.goldfeverprospecting.com/migodi.html

Duluth Metals Ltd., http://www.duluthmetals.com/s/Home.asp

Nokomis Deposit Model, http://www.duluthmetals.com/i/pdf/DM-PDAC-February-2009.pdf

The prospects for prospecting in Northern Minnesota, http://news.minnesota.publicradio.org/features/200107/16_kelleherb_mining-m/

Banded Iron formation hosted gold deposits, http://www.northernminer.com/Tools/Geology101/geo101pg3.asp

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Comments (2)
Madelin

I THINK YOU SHOULD HAVE MORE INFO ABOUT MINNESOTA AND THE DISCOVERY OF GOLD . ALSO YOU NEED PICTURES TO SHOW SOME INFORMATION, AND MAYBE EVEN A MAP OF MINNESOTA AND IT WILL SHOW WERE GOLD WAS FOUND

UntiUntil the discovery of the deposits of gold discovered at Ely there was little information about gold in Minnesota. I have a blog about gold occurrences in Minnesota as part of the blog that further explains the discoveries in Ely at: http://goldminingandprospecting.blogspot.com

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