ancient copper ore dressing in lake superior area

Dispelling some Myths about the Old Copper Culture
Dispelling some Myths about the Old Copper Culture

My topic today is the worldfamous ancient copper industry of the Lake Superior Basin. Since 1961 and Griffin's seminal publication of Lake Superior Copper and the Indians we have learned a lot, archaeologically, about prehistoric copper use (Griffin 1961) and its persistence through prehistory.

Missing: Prehistoric Michigans HalfBillion Pounds of Copper
Missing: Prehistoric Michigans HalfBillion Pounds of Copper

Missing: Prehistoric Michigans HalfBillion Pounds of Copper. 1800: Congress passed a resolution appointing an agent to collect information regarding the copper mines of the Lake Superior Region, including Isle Royale. 1843: The Ontonagon Boulder was shipped to the Smithsonian Institution, where it still resides.

Copper mining on Isle Royale 6500 © The Author(s) 2014 5400
Copper mining on Isle Royale 6500 © The Author(s) 2014 5400

Isle Royale is a freshwater archipelago comprised of a main island and approximately 200 smaller islands that stretch for ~70 km along the northwestern portion of Lake Superior. The copperbearing Portage Lake Volcanic metabasalt bedrock formed topographic ridges that remained as islands in Lake

Minerals of the Lake Superior Region  Lake Superior Magazine
Minerals of the Lake Superior Region Lake Superior Magazine

Minerals of the Lake Superior Region. Our regional ores were critical in helping the Allies win World Wars I and II. But iron and copper are far from the only commercial minerals around this vast lake. Gold, platinum, silver, nickel, and gemstones such as amethyst, agates and even diamonds have been found here.

Copper Mining History and Copper Harbor Michigan3
Copper Mining History and Copper Harbor Michigan

The pure copper of Lake Superior has been discovered in prehistoric cultures throughout North and South America. The mystery of their origin remains unsolved. The mystery of their disappearance remains unsolved. Many hammered copper knives, arrow and spear heads and axes were recovered at ancient mining sites.

3
copper ore dressing in the keweenaw peninsula
copper ore dressing in the keweenaw peninsula

Legacy mercury releases during copper mining near Lake Superior On the Keweenaw Peninsula, mercury occurs naturally in copper ores and was the atmosphere during ore processing (Wong et al., 1999, U.S.EPA., 2003).

From the John H. Forster Press Houghton County Historical Society
From the John H. Forster Press Houghton County Historical Society

Wayne State University Press Professor of Archaeology at Michigan Tech, Martin's new book is the first detailed examination of prehistoric copper fashioned from the local red metal and the wide area influenced by Lake Superior copper.

Copper Mines in Ancient North America  Expanded Perspectives
Copper Mines in Ancient North America Expanded Perspectives

It is not clear who these ancient miners were, but we do know that the mining abruptly ended in 1,200 BC. This conveniently coincides with the end of the Bronze Age in Europe. The copper located in the Lake Superior area is some of the purest copper in the world, yet less than 1% has been discovered in America.

mounting lake gold ore dressing ghana limited
mounting lake gold ore dressing ghana limited

mounting lake gold ore dressing ghana limited Estimates of Electricity Requirements for the Recovery of Mineral Electricity consumption estimate for mining and processing bauxite for export .

Minerals of the Lake Superior Region  Lake Superior Magazine
Minerals of the Lake Superior Region Lake Superior Magazine

Minerals of the Lake Superior Region. Our regional ores were critical in helping the Allies win World Wars I and II. But iron and copper are far from the only commercial minerals around this vast lake. Gold, platinum, silver, nickel, and gemstones such as amethyst, agates and even diamonds have been found here.

Copper Mining History and Copper Harbor Michigan
Copper Mining History and Copper Harbor Michigan

The pure copper of Lake Superior has been discovered in prehistoric cultures throughout North and South America. The mystery of their origin remains unsolved. The mystery of their disappearance remains unsolved. Many hammered copper knives, arrow and spear heads and axes were recovered at ancient mining sites.

Prehistoric Michigan Copper Atlantis Rising Magazine Library
Prehistoric Michigan Copper Atlantis Rising Magazine Library

Prehistoric Michigan Copper. The day before the conference I hiked to the Lake Superior shore on some forest trails. When I reached the shore, there was a strong north wind, and big waves were breaking on the shore, big enough, it seemed, for surfing.

ancient copper mines ancient copper mines of lake superior
ancient copper mines ancient copper mines of lake superior

ancient copper mines ancient copper mines of lake superior Copper Mines In China Find the cheap Copper Mines In China, Find the best Copper Mines In China deals, Sourcing the right Copper Mines In China supplier can be timeconsuming and difficult.

ancient copper mining in lake superior area  Mineral
ancient copper mining in lake superior area Mineral

ancient copper mining in lake superior area Cheap copper mines in china deals Find the cheap Copper Mines In China, Find the best Copper Mines In China deals, Sourcing the right . the Boundaries: Life and Landscape at the Lake Superior Copper Mines, 18401875 (Michigan) .

Copper mining in Michigan  3
Copper mining in Michigan

Native copper nugget from glacial drift, Ontonagon County, Michigan. An example of the raw ore worked by Native Americans of the Old Copper Complex, 4000 to 1000 BCE. Within the state of Michigan, copper is found almost exclusively in the western portion of the Upper Peninsula, in an area known as the Copper Country.

3
Great Lakes Copper Heist  America Unearthed  Google Sites
Great Lakes Copper Heist America Unearthed Google Sites

Great Lakes Copper Heist. It turns out that there were some 10,000 prehistoric copper mines found along the shores of Lake Superior. The lake itself, in ancient times, was much larger periodically, as much as 20% more area. Also, about 3,500 years ago, there was a river that cut through what is now Wisconsin that was a branch of the Mississippi.

where did people find copper ore in 1700
where did people find copper ore in 1700

Copper: An Ancient Metal Dartmouth Toxic Metals Superfund . Nov 18, 2010 At some point humans discovered copper ore and possibly by accident People may have preferred tinbased bronze or found that it was easier . location for Britain's copper smelting activities beginning in early 1700s.

Dispelling some Myths about the Old Copper Culture
Dispelling some Myths about the Old Copper Culture

My topic today is the worldfamous ancient copper industry of the Lake Superior Basin. Since 1961 and Griffin's seminal publication of Lake Superior Copper and the Indians we have learned a lot, archaeologically, about prehistoric copper use (Griffin 1961) and its persistence through prehistory.

Copper: A World Trade in 3000 BC?  Eye Of The Psychic
Copper: A World Trade in 3000 BC? Eye Of The Psychic

Furthermore, the copper was definitely worthy of a transoceanic voyage. The copper around Lake Superior was the best and most important copper found in the world. In the period of 1000 to 1400 BC, the copper was exported to the Mexican Toltecs and perhaps even other civilisations further south.

cop ancient copper ore dressing in lake superior area
cop ancient copper ore dressing in lake superior area

Home / Products / cop ancient copper ore dressing in lake superior area . cop ancient copper ore dressing in lake superior area. Texarkana GazetteTexarkana Breaking News.

The Native American Legend of the Sleeping Giant and the
The Native American Legend of the Sleeping Giant and the

In prehistoric times, large quantities of copper were mined on Isle Royale and the nearby Keweenaw Peninsula. The region is scarred by ancient mine pits and trenches up to 20 feet deep. Carbon14 testing of wood remains found in sockets of copper artifacts indicates that they are at least 5700 years old.

Old Copper Culture Milwaukee Public Museum
Old Copper Culture Milwaukee Public Museum

Previous theories claimed that Bronze Age peoples from Europe made their way to Lake Superior to supply the demand for copper across the Atlantic Ocean. Other dubious theories attributed this copper production variously to the Phoenicians, the Berbers, and the Vikings (Griffin 1961, Martin, 1999).

USING LAKES TO MAP ANCIENT COPPER MINING
USING LAKES TO MAP ANCIENT COPPER MINING

USING LAKES TO MAP ANCIENT COPPER MINING, by Dr. David P. Pompeani, at the Copper and Culture Conference on Prehistoric Metal Working in the Lake Superior Region August 7, 2015, Houghton, Michigan.

copper ore dressing in the keweenaw peninsula
copper ore dressing in the keweenaw peninsula

Legacy mercury releases during copper mining near Lake Superior On the Keweenaw Peninsula, mercury occurs naturally in copper ores and was the atmosphere during ore processing (Wong et al., 1999, U.S.EPA., 2003).

ancient copper mines ancient copper mines of lake superior
ancient copper mines ancient copper mines of lake superior

ancient copper mines ancient copper mines of lake superior Copper Mines In China Find the cheap Copper Mines In China, Find the best Copper Mines In China deals, Sourcing the right Copper Mines In China supplier can be timeconsuming and difficult.

ancient copper industry in MI video
ancient copper industry in MI video

But mining copper in the region dates back before the birth of Jesus Christ. An ancient people created a copper industry in which Lake Superior area copper is now found all across North and South

Longlost people leads others to copper News, Sports, Jobs
Longlost people leads others to copper News, Sports, Jobs

The ancient miners knew where the copper was, so if one found an ancient mine, it would lead to a vein. Thousands of years before, a now lost people came to the Lake Superior copper district, and began mining.

Copper Mines in Ancient North America  Expanded Perspectives
Copper Mines in Ancient North America Expanded Perspectives

Copper Mines in Ancient North America. The copper located in the Lake Superior area is some of the purest copper in the world, yet less than 1% has been discovered in America. It is clear that someone was mining copper here in America and then shipped it across the ocean for use abroad. Who they were remains a mystery.

Copper Mining  Michigan Technological University
Copper Mining Michigan Technological University

There is a rich lore about ancient copper mining in the Lake Superior region. Most of it is highly speculative and is unsupported, but fervently believed. There is no doubt that copper was mined at Isle Royale thousands of years ago. Most likely this was done by indigenous miners who traded the copper with people who lived far to the south.

Mining in Northern Wisconsin Wisconsin Historical Society
Mining in Northern Wisconsin Wisconsin Historical Society

View the original source document: WHI 34038. Native Americans mined copper on the shores of Lake Superior between 4,000 and 1,200 B.C.E. They even developed a trade network to carry copper jewelry and tools. It stretched from Northern Wisconsin and Upper Michigan to the Rocky Mountains and the Gulf Coast.

Pre:mineral flotation cell plant machineryNext:concentration machine gold mining equipment

Products Center