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The Back Forty Mine is a proposed open-pit metallic sulfide mine targeting gold and zinc deposits in Menominee County in the South Central part of Michigan's Upper Peninsula next to the Menominee River. Aquila Resources submitted its first permit applications to the state of Michigan in 2015. [1]
The region through which the river flows was formerly a center of iron ore mining. Menominee River sediments are contaminated with arsenic at Marinette, Wisconsin, from industry. The Back Forty Mine is a proposed gold and zinc open-pit near Stephenson, Michigan to be constructed within 150 feet (46 m) of the river. [9]
Gold pans and shovels are commonly allowed, but sluice boxes and suction dredges may be prohibited in some areas. [12] [13] There are public mining areas in many states, and prospecting may allow one to stake a gold placer claim or other type of mining claim in certain areas. Some public lands have been set aside for recreational gold panning.
In reality, prospecting was hard, back-breaking work, with days that often ended without a chunk of gold to show for it. While people still pan for gold as a hobby, it’s a whole other ballgame
"Panning out" ~ Stereoscopic view of print taken by the U.S. Geological and Geographic Survey of the Territories ~ circa 1874–1879 Gold panning is a simple process. Once a suitable placer deposit is located, some alluvial deposits are scooped into a pan, where they are then wetted and loosed from attached soils by soaking, fingering, and aggressive agitation in water.
It extends from Lake Namakagon in Wisconsin eastward to Lake Gogebic in Michigan, or almost 80 miles. Though long, it is only about a half mile wide and forms a crescent concave to the southeast. The Gogebic Range includes the communities of Bessemer and Ironwood in Michigan, plus Mellen and Hurley in Wisconsin. [1]
Gold mining can significantly alter the natural environment. Gold mining activities in tropical forests are increasingly causing deforestation along rivers and in remote areas rich in biodiversity. [73] [74] Mining has increased rainforest loss up to 70 km beyond lease boundaries, causing nearly 11,670 km 2 of deforestation between 2005 to 2015 ...
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