Isle Royale and the counties that line the northwest coast of Michigan's Upper Peninsula are called Copper Country because of the rich deposits of native c... Front Matter Download; ... Lake Superior Copper Explorers 1819–1874 Download; XML; Appendix 3:: Historic Copper Mines Founded on "Ancient Diggings" Download; XML; Appendix 4 ...
WhatsApp: +86 18221755073In his 1879 text entitled Ancient Copper Mines of Lake Superior, John Jacob Houghton relates, beginning on page 141: On the south shore of Lake Superior the works of the ancient miners extend over a district of country comprising what is known as the Trap Range, having a length of one hundred and fifty miles through Keweenaw, …
WhatsApp: +86 18221755073The Keweenaw Rift jutting up into the middle of Lake Superior is the world's most important native copper mine and would go on to be exploited for decades. More than 140 copper mines were established by the end of the 19th century, and they left behind millions of tons of waste from the extraction process.
WhatsApp: +86 18221755073It may be more reasonable to speculate that rather than refining and transporting a few tons of copper at least 7 or 8000 miles from Lake Michigan, through Lake Huron, then Lake Erie, Lake Ontario and …
WhatsApp: +86 18221755073The regions surrounding Lake Superior in the United States, including Isle Royale and the Keweenaw Peninsula in Michigan, are home to widespread copper deposits that were extensively mined in ancient times by societies associated with the Old Copper Complex (Martin, 1999, Martin and Pleger, 1999) (Fig. 1).Archaeological …
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WhatsApp: +86 18221755073The ancient copper mines of Lake Superior . Author(s): Jacob jr. [from old catalog] Houghton. Year: 1879. Summary. This resource is a citation record only, the Center for Digital Antiquity does not have a copy of this document. The information in this record has been migrated into tDAR from the National Archaeological Database Reports Module ...
WhatsApp: +86 18221755073The bedrock geological history of the Lake Superior region is fairly well understood (LaBerge, 1994); its basement of pre-Cambrian bedrock, part of the Canadian Shield, is very ancient.The deposition took place around 1,100 million years ago (MYA), initiated by a period of roughly 25 million years during which a series of enormous …
WhatsApp: +86 18221755073In fact, the south side of Lake Superior was home to 5,000 copper mines that date to at least 3,500 BCE. And, the extraction of copper yielded millions of pounds from that time period, yet only a very small portion of this copper can be found in Native American artifacts. ... the age of these ancient mines had been a "long-standing enigma ...
WhatsApp: +86 18221755073An analysis of sediment cores drawn from McCargoe Cove on Isle Royale adjacent to a high concentration of ancient copper mines show increases of lead (leached from mine tailings and vaporized when miners heated copper to shape the metal), copper, and potassium (a by-product of the fires used for mining and annealing) after 1860 AD and …
WhatsApp: +86 18221755073In addition to the proposed new mines and mineral exploration in northern Minnesota and Wisconsin, there are two new copper mines in the Upper Peninsula of Michigan that are both located close to Lake Superior. The first is the Eagle copper-nickel mine proposed by Kennecott Minerals, a subsidiary of Rio Tinto, located in the Yellow Dog Plains.
WhatsApp: +86 18221755073Copper use in the regions surrounding Lake Superior represents one of the oldest examples of metalworking (Figure 1), yet the timing and pattern of past copper mining …
WhatsApp: +86 18221755073The above profile is made at right angles to the bluff, and shows the geological structure as seen from the western side. It would answer equally well for the North, West, North Western, Eagle River, Cliff, or any mine situated on the southern face of the coast range of Point Keweenaw. The copper bearing amygdaloid (B) is separated from the crystalline …
WhatsApp: +86 18221755073Prehistoric Copper Mining in the Lake Superior Region, Octave Joseph DuTemple, privately published. Boom Copper, Angus Murdock, Macmillan Company, …
WhatsApp: +86 18221755073There has been little dispute over the last century that the primary copper sources that were exploited by the Old Copper Complex manufactures came from natural ore deposits spanning 120 miles along the southern …
WhatsApp: +86 18221755073By Lorraine Boissoneault from Great Lakes Now - June 7, 2020. This is the first in a three-part series that will explore the history of Lake Superior and the Boundary waters, the communities affected by two proposed copper mines, the arguments in favor and against the mines, and what the mines might mean for the future of the Great Lakes.
WhatsApp: +86 18221755073Wonderful Power: The Story of Ancient Copper Workings in the Lake Superior Basin (Detroit: Wayne State University Press, 1999) ... Prehistoric Copper Mining in the Lake Superior Region Published privately by the Authors: Calumet, MI 1961 Collection of 25 papers, mostly reprints of earlier publications ...
WhatsApp: +86 18221755073smithsoniancontributionstoknowledge. 155 ancientmining shoresoflakesuperior. by charleswhittlesey. [acceptedforpublication,april,,1862.]
WhatsApp: +86 18221755073THE ancient copper-mines of Lake Superior, having been destroyed or covered by-modern mining-dumps, are not accessible to the present inhabitants of that region, and, since no more are likely to be found, some account of those already discovered, from one who has seen them, may be acceptable to the Institute. Early in May, 1855, 1 took a …
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WhatsApp: +86 18221755073In yet another shocking discovery that contributes to the rewriting of human history, sediments from two small inland lakes in Isle Royale National Park near Lake Superior were analyzed, revealing copper mining efforts …
WhatsApp: +86 1822175507318. Whittlesey, C., Ancient Mining on the Shores of Lake Superior, Smithsonian Contributions to Knowledge, 1862, reprinted 2007 Gustavs Library, Davenport Iowa, no ISBN 19. Henderson, J., The Science and …
WhatsApp: +86 18221755073Native Americans mined copper on the shores of Lake Superior in prehistoric times. Between 4,000 and 1,200 B.C., copper jewelry and implements from Wisconsin and Upper Michigan were part of a trade network that stretched from the Rocky Mountains to the Gulf Coast, giving rise to the name "Old Copper Culture." ... Ancient copper mines are ...
WhatsApp: +86 18221755073It 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 …
WhatsApp: +86 18221755073Mining on Lake Superior "Ancient copper mining on Lake Superior" and "White fish sustenance of ancient miners" Figures 1 and 2 following page 116 Vol. 5 Plate 16, "The Indian Tribes of the United States" by Henry Schoolcraft, 1855. View the original source document: WHI 34038.
WhatsApp: +86 18221755073The bedrock geological history of the Lake Superior region is fairly well understood (LaBerge 1994); its basement of pre‐Cambrian bedrock, part of the Canadian Shield, is very ancient.The deposition took place around 1,100 million years ago (MYA), initiated by a period of roughly 25 million years during which a series of enormous movements of …
WhatsApp: +86 18221755073The mystery of who mined massive copper deposits along the shores of Lake Superior more than 5,000 years ago has provided the fuel for many outlandish tales. Wisconsin Historical Society. In the …
WhatsApp: +86 18221755073Copper's allure has endured for millennia. Both ancient and modern mines for the extremely useful metal abound in North America's Lake Superior region; long before modern miners extracted the ...
WhatsApp: +86 18221755073The newly designated historic site covers about 200 acres on Lake Superior's largest island, including multiple small pits where copper was mined and an apparent settlement where Native people ...
WhatsApp: +86 18221755073The Old Copper Complex (OCC) refers to the production of heavy copper-tool technology by Archaic Native American societies in the Lake Superior region. To better define the timing of the OCC, we evaluated 53 (eight new and 45 published) radiocarbon ( 14 C) dates associated with copper artifacts and mines.
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