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Glacial Float Copper Harbor Specimen UP Michigan USA 35 Ounces Keweenaw . $39.00 0 bids. Free shipping . 36g Glacial Float Copper Crystal From Keweenaw Co, Michigan. $35.00. Free shipping . 3.4" NATIVE COPPER NUGGET Keweenaw Peninsula, Michigan1.2 lbs. $42.00 26 bids + $7.95 shipping .
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Jan 19, 2009· In Keweenaw Peninsula, Michigan, a 313 pound copper float specimen was found. January 18, 2009: LiveAuctioneers.com: The rounded exterior is the result of
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Natural copper from Michigans Upper Penninsula. You will receive the exact piece as pictured. This piece of float copper has been lightly polished, although its overall shape is natural. It has a light epoxy coating on it to keep it from tarnishing. Measures 2.75 x 2 x 0.75 and weighs 0.5375 pounds.
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Oct 23, 2018· A 4,260 kilogram float copper at Calumet in Michigan. Photo credit: Another float copper monument at Michigan Technological University. Photo credit: Michigan Technological University. A piece of float copper sliced and polished as a bookend shows how pure the copper in the ore is. Photo credit:
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MICHIGANS COPPER DEPOSITS AND MINING.The Indians were made aware of the existence of the metal by masses of float copper carried south by the glaciers and left lying on the surface. Sometime in the remote past, an unknown tribe began to mine the native copper in the Upper Peninsula. They dug pits in the ground and separated the copper
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The largest known piece of float copper in the world merely looks like an enormous rock sitting on a mound of grass. The sign next to it is unassuming and, when people are driving around Presque Isle Park in Marquette in Michigans Upper Peninsula, its easy to miss.
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Natural copper from Michigans Upper Penninsula. You will receive the exact piece as pictured. This piece of float copper has been lightly polished, although its overall shape is natural. It has a light epoxy coating on it to keep it from tarnishing. Measures 2.75 x 2 x 0.75 and weighs 0.5375 pounds.
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This is a fine example of sheet float copper that occurred in a vein in the fabled Caledonia coppe.. $200.00 Add to Cart. Add to Wish List. Add to CompareIn the copper mines of the Upper Peninsula of Michigan, pure copper is sometimes found in nuggets, l.. $145.00 Add to Cart. Add to Wish List.
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Feb 18, 2014· The glacial float is used by NMU for geology classes, and schoolchildren learn about U.P. history while visiting it on field trips. The copper will most likely be smelted down for industrial use
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A small mass of float copper is on exhibit in the Copper Pavilion behind the 19ton Lake Copper. Float copper refers to glacialfluvial river transported native copper. Glacial ice plucked native copper from the bedrock and carried it along with many different sized rocks ranging from boulders to
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Float Copper Decorator. This one is approximately 4 1/2"L x 2 3/4"T x 2"D. Michigan Native "Float" Copper Float copper is found throughout the Copper Country of Michigan and many nearby states. Glacial movements thousands of years ago altered the geologic deposits of the native copper by tearing and scouring the land.
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Oct 23, 2018· When the glacier finally melted away these floating masses of native copper was left abandoned and dispersed all around upper Michigan. Until recently, a nugget of floating copper, described as the worlds largest float copper lay in the woods before it was acquired by an industrialist. That copper boulder pictured below weights about 28 tons and is more than 90% copper.
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Mar 25, 2014· During the period of most intense copper mining in Michigan, many specimens of local minerals were donated to the museum. Their collection of Michigan minerals is the finest in the world and there is a strong local emphasis on their displays. Check out our custom search and view all the minerals from Michigan for sale on eBay.
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The sign next to it is unassuming and, when people are driving around Presque Isle Park in Marquette in Michigans Upper Peninsula, its easy to miss. But the story behind this float copper is one of action and continued uncertainty. It was discovered as land owners in the Keweenaw Peninsula went over their new land with a metal detector. They were astonished by the size of what they found: a 15 x 13
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Michigan Native Copper Michigan's Keweenaw Peninsula is the most important locality in the world for pure native copper. Mining began in 1845 and continued until 1968 and over 5 million tons of refined copper were recovered from Michigan's copper mines. In the early 1900's it led the world in copper production and "Lak
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Often these float coppers were buried inside glacial outwash deposits like those all around Calumet at Swedetown, Centennial Hill and Copper City. The most famous piece of float copper in the region is the Ontonagon Boulder, a legendary boulder found along the riverbank south of Ontonagon. The boulder had a repute that extended to many people
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Jan 19, 2009· In Keweenaw Peninsula, Michigan, a 313 pound copper float specimen was found. January 18, 2009: LiveAuctioneers.com: The rounded exterior is the result of
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Volume 9, pages 2326, 1924. SOME UNUSUAL SPECIMENS OF "FLOAT" COPPER 1. EDWARD H. KRAUS, University of Michigan In August 1923, the Mineralogical Laboratory of the University of Michigan received a large mass of native copper from the copper district in the northern part of Michigan which proved not only of interest to mineralogists but also of great importance to American
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Float copper is found throughout the Copper Country of Michigan and many nearby states. Glacial movements thousands of years ago altered the geologic deposits of the native copper by tearing and scouring the land. Copper, along with other rocks, gravel, and sand were constantly tumbled and deposited over large areas of the Upper Midwestern
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Glacial Float Copper Harbor Specimen UP Michigan USA 35 Ounces Keweenaw . $39.00 0 bids. Free shipping . 36g Glacial Float Copper Crystal From Keweenaw Co, Michigan. $35.00. Free shipping . 3.4" NATIVE COPPER NUGGET Keweenaw Peninsula, Michigan1.2 lbs. $42.00 26 bids + $7.95 shipping .
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The Shipping of Michigan Copper across the Atlantic in the Bronze Age Isle Royale and Keweenaw Peninsula, c. 2400BC1200 BC Summary. Recent scientific literature has come to the conclusion that the major source of the copper that swept through the European Bronze Age after 2500 BC is unknown.
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Item #MS317: 3" Native Michigan Float Copper. Lacquer coated. No two are alike. 5/8" Copper Cube MS708 Price: $8.00. Item #KGGCC8: 5/8" solid Copper Cube. Butchite Copper MS1030 Price: $180.00. Item #MS1030: Approx. 7"x2"x6.25" Butchite Copper of 9 lbs. Butchite Copper MS1031
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Dec 18, 2018· While leading an expedition through the Upper Peninsula, Michigan Territorial Governor General Lewis Cass visits the Ontonagon Boulder, a large piece of float copper along the Ontonagon River. "One cannot help fancying that he has gone to the ends of the earth, and beyond the boundaries appointed for the residence of man."
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A small mass of float copper is on exhibit in the Copper Pavilion behind the 19ton Lake Copper. Float copper refers to glacialfluvial river transported native copper. Glacial ice plucked native copper from the bedrock and carried it along with many different sized rocks ranging from boulders to
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Float Copper is also called Drift Copper or Butchite.The term Butchite appears to be a local term that is given to a piece of Float Copper that has been polished and sealed to prevent further corrosion. Most of the Float copper is found in Michigan.
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Nov 07, 2020· just got a quick online education about copper in Michigan. found this map that shows a LOT of copper in the Keewenaw. On this map it is marked with X's as "copper in bedrock". The red dots indicate float copper and there are a few dots outside the
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Float Copper Decorator. This one is approximately 3 1/4"L x 4"T x 2"D. Michigan Native "Float" Copper Float copper is found throughout the Copper Country of Michigan and many nearby states. Glacial movements thousands of years ago altered the geologic deposits of the native copper by tearing and scouring the land. Copp
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Dec 18, 2018· While leading an expedition through the Upper Peninsula, Michigan Territorial Governor General Lewis Cass visits the Ontonagon Boulder, a large piece of float copper along the Ontonagon River. "One cannot help fancying that he has gone to the ends of the earth, and beyond the boundaries appointed for the residence of man."
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A Big! 100% Natural Native COPPER Nugget or Native Copper Float! Michigan 227gr EarthsAncientArt. From shop EarthsAncientArt. 5 out of 5 stars 6,309 6,309 reviews $ 34.99 FREE shipping Favorite Add to FLOAT COPPER from Michigan Upper Peninsula; Item #1615 DesertStoners. From shop DesertStoners
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Float Copper in Sterling Silver PendantMichigan Float CopperHand made Silver and Copper Jewelry MintonsMinerals $ 60.00 FREE shipping Favorite Add to A BIG! Cut & Polished Native COPPER Nugget or Native Copper Float Michigan 1320gr EarthsAncientArt $ 109.99
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Shortly thereafter the fabulous Cliff Mine began producing the first mass copper that was not also float copper. The Cliff Mine was near Eagle Harbor, 19 miles west of Copper Harbor . Huge pieces of metal, some weighing more than 50 tons, were discovered where they had been deposited.
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Apr 11, 2007· I found this 142 pound float copper nugget about 2 miles outside of Painesdale Michigan. It was 20 inches deep. This is a relatively. small piece compared to the other photo. My largest to date. My next is 60#, and several 20+ pounders. The one of my grand daughter Halie in white with her friend weighed in at 60k.
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