Poducts

  • Float Copper from SpiritRock Shop

    One of a Kind Beautiful 12 lb (5.46kg) Polished Butchite Float Copper Bookend Set from Michigan! This solid copper 2 pc bookend set has cork bottom protection so it won't scratch your furniture This set measures 7.02" (17.8cm) wide across the set and is up to 6.16" (15.6cm) tall The set is up to 2.12" (53.9cm thick This is a real attention getting bookend set for that special someone! Solid

  • Saving The World's Largest Float Copper

    The Keweenaw Peninsula is often called “Copper Country” because of the amount of copper and its ore that was mined in this area. In fact, at 90 percent pure, much of this copper is the purest in the world, and this is what makes this piece of float copper so remarkable. Photo courtesy of collectorsedge

  • Float Copper

    Volume 9, pages 23-26, 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

  • Michigan Float Copper A | Geoscape Rock Shop

    Natural copper from Michigan’s Upper Penninsula. You will receive the exact piece as pictured. This piece of float copper has been lightly polished, although it’s 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.

  • Michigan’s Massive Copper Boulders | Amusing Planet

    23/10/2018· Float Copper. Massive copper boulders like the Ontonagon Boulder once lay scattered all over Keweenaw Peninsula in northernmost Michigan. Keweenaw Peninsula that projects into Lake Superior was once covered by glaciers as much as two miles thick until the ice started to melt about 10,000 years ago. As the ice glided across the rocky surface, it sliced pieces of native copper from

  • Michigan Treasures: Saving The World’s Largest Float

    12/12/2012· The largest known piece of float copper in the world merely looks like an enormous rock sitting a mound of grass. But its history is a captivating one! But its history is a captivating one! The Awesome Mitten cultivates a fresh perspective on Michigan by

  • Keweenaw Peninsula Wikipedia

    翻译此页Overview
  • Keweenaw Specialities – Tagged "Float 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 "Lake Copper" was the purity standard to which other refined copper was compared.

  • Lake and Float Copper | A. E. Seaman Mineral Museum

    Float copper refers to glacial-fluvial (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 tiny particles. These masses of native copper were "floating" in the ice. The abrasion by rocks, smoothed and rounded the native copper masses as well as largely removed attached minerals

  • Float Copper for sale | eBay

    4 3/4” Tumbled Native Glacial Michigan Float Copper Nugget Specimen 1 LB 0.4 OZ. $19.99 2d 15h +$7.90 shipping. Make Offer 4 3/4” Tumbled Native Glacial Michigan Float Copper Nugget Specimen 1 LB 0.4 OZ. Michigan Glacial Float Copper Polished Natural Colors . $200.00. Free shipping. Make Offer Michigan Glacial Float Copper Polished Natural Colors . Michigan Glacial Float Copper

  • Michigan Float Copper A | Geoscape Rock Shop

    Natural copper from Michigan’s Upper Penninsula. You will receive the exact piece as pictured. This piece of float copper has been lightly polished, although it’s 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.

  • What is float copper?

    Peninsula of Michigan. The name "float" copper was used in a 1924 publication in the American Mineralogist by University of Michigan renowned mineralogist Edward H. Kraus (1). Mechanical rounding of rocks and minerals occur in glaciers as the clasts impact each other, the physical contact abrades the clasts and thus smooths and rounds them. Native copper occurs in Mesoproterozoic bedrock of

  • Keweenaw Specialities – Tagged "Float 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 "Lake Copper" was the purity standard to which other refined copper was compared.

  • Collecting Copper in Michigan's Copper Country -

    25/03/2014· The Keweenaw Peninsula of Michigan has been nationally famous for over 100 years for its history of highly productive copper mining. The local basalt is criss-crossed with many thick veins of native copper that made up the main ore of many of the mines. Solid natural masses of copper weighing hundreds of pounds were found with relative frequency at the mines. Though these pieces certainly

  • Float Copper Display (Calumet) | Upper Peninsula Wiki |

    The Float Copper Display (Calumet) is s large piece of Float Copper located in Calumet, Michigan at the Keweenaw National Historic Park. This boulder of float copper, one of the largest on display at 9,392 pounds, can be seen by Highway US-41, in Calumet at the Keweenaw National Historic Park.

  • Float copper | Etsy

    Polished Native COPPER Nugget or Native Copper Float SLAB Michigan 182gr EarthsAncientArt. From shop EarthsAncientArt. 5 out of 5 stars (6,023) 6,023 reviews $ 49.99 FREE shipping Only 1 available and it's in 2 people's carts. Favorite Add to A Big! Cut & Polished Native COPPER Nugget or Native Copper Float Michigan 901gr EarthsAncientArt. From shop EarthsAncientArt. 5 out of 5 stars (6,023

  • Collector's Edge Minerals purchases the worlds largest

    Nuggets of float copper were often found and used by early inhabitants of the northern Michigan, Wisconsin and Minnesota regions. Copper implements have been found in prehistoric grave sites, excavated in the northern Michigan and Wisconsin areas, dating back to 3000 B.C. Items such as copper spear points, ax heads, knife blades, and decorative ornaments are common in many of the

  • Minelab SE Pro Metal Detector Find Digging 1.6 lb. Float

    07/06/2015· Float Copper Found With A Minelab Se Pro Metal Detector In Michigan.

  • 作者: MrCopperco
  • Michigan Copper for sale | eBay

    Native Glacial Float Copper Specimen Michigan USA 5kg 11.2lb 25.5cm 10" $450.00. $34.70 shipping. 11 watching. Watch. Calcite Crystal w/ Copper Inclusions Quincy Mine, Hougjton Co, Michigan. $65.00. Free shipping. or Best Offer. Watch. 30 mm (1.18") NATIVE COPPER Sphere Ball Keweenaw Peninsula, Michigan Natural. $15.00. Free shipping. or Best Offer . 114 sold. Watch. 22g Bicolored

  • Copper Treasure Mountain Mining

    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 Compare . 2.2" Dark Brown Copper w-Silver HALFBREED Crystals Quincy Mine Michigan for sale. Copper-silver "halfbreeds" are a physical mixture of native silver and native copper. They form crys..$50.00 Add to Cart. Add to Wish List. Add to

  • Float copper | Etsy

    Polished Native COPPER Nugget or Native Copper Float SLAB Michigan 182gr EarthsAncientArt. From shop EarthsAncientArt. 5 out of 5 stars (6,023) 6,023 reviews $ 49.99 FREE shipping Only 1 available and it's in 2 people's carts. Favorite Add to A Big! Cut & Polished Native COPPER Nugget or Native Copper Float Michigan 901gr EarthsAncientArt. From shop EarthsAncientArt. 5 out of 5 stars (6,023

  • Large copper floater found in Upper Peninsula mlive

    19/01/2009· In Keweenaw Peninsula, Michigan, a 313 pound copper float specimen was found. January 18, 2009: LiveAuctioneers: The rounded exterior is the result of

  • Float Copper Michigan Technological University

    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 from First Nation to immigrants and industrialists--it is a geoheritage icon. It was annexed by the US Army and taken to the Smithsonian Institution where it has been kept for more than a century

  • Domi Good: Michigan’s Massive Copper Boulders

    21/12/2018· Until recently, a nugget of floating copper, described as “the world’s 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. Much of this copper was laid down 1 billion years ago by ancient lava flows, producing the earth’s only strata where large-scale economically

  • float copper | eBay

    2 lb. 10 oz. Polished FLOAT COPPER Michigan's Copper Country. C $224.51; or Best Offer +C $24.54 shipping; From United States; Customs services and international tracking provided. Michigan Glacial Float Copper Polished Natural Colors. C $56.13; or Best Offer +C $39.15 shipping; From United States ; Michigan Glacial Float Copper Polished Natural Colors. C $49.11; or Best Offer +C $39.15

  • EXTREMELY LARGE COPPER NUGGET "FLOAT COPPER

    EXTREMELY LARGE COPPER NUGGET "FLOAT COPPER" Keweenaw Peninsula, Michigan Copper 'nuggets' from the Upper Peninsula of Michigan are not particularly rare. Large ones with multiple hollow 'casts', where Calcite crystals were once embedded in them, are. We know that the 'casts' were of Calcite crystals because in a few, recessed areas there are still remnants of those crystals. The rounded

  • Copper Mineral Specimens The Arkenstone,

    SM20-317 Copper on and included in Calcite $3,800.00 Small Cabinet, 6.7 x 4.6 x 3.8 cm Quincy Mine, Hancock, Houghton Co., Michigan, USA (2 more images)

  • Native Copper Minerals from Michigan

    M255hb A nice specimen of natural Copper from Keweenaw Peninsula, Michigan. It measures 4 5/8" x 2 3/8" x 3/8" and weighs 1/2 pounds. Very nice! Another photo. Another photo. Another photo. Copper is a reddish colored metal with a high electrical and thermal conductivity. It has its characteristic color because it reflects red and orange light and absorbs other frequencies in the visible

  • Copper Hunting on Michigan’s Keweenaw Peninsula

    Tom, further to your question about detecting copper on Michigan’s Keweenaw Peninsula, I did a few quick checks. A preliminary search reveals there are potentially more than 220 collecting sites connected to former minesites and related shafts on the Upper Peninsula. Do a search on “Michigan Copper Country” for example, and you bring up reams of information on everything from (a) search

  • Big Score Metal Detecting For Michigan Copper | Jason

    04/11/2017· VISIT MY ETSY STORE, SEE WHAT I HAVE FOR SALE: https://www.etsy/shop/LakeShoreEmberlites This is one VLOG you'll want to watch as we dig COPPER right out...

  • 作者: Jason Asselin