Sep 12, 2017·The ancient copper mines on Superiors isle royale for example, although predictable disputed, produced over 750,000 tons of copper for a sophisticated group of ancient, mystery miners. Findings published in 1961 within, Prehistoric Copper Mining in the Lake Superior
Pre historic and Modern Copper Mines of Lake Superior Kindle edition by SAMUEL L. SMITH. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Pre historic and Modern Copper Mines of Lake Superior.
In Prehistoric Copper Mining in the Lake Superior Region, published in 1961, Drier and Du Temple estimated that over 750,000 tons of copper had been mined from the region. However, David Johnson and Susan Martin contend that their estimate was based on exaggerated and inaccurate assumptions.
Dec 24, 2014·Miners Left a Pollution Trail in the Great Lakes 6000 Years Ago . Scientists find evidence of ancient copper mining in polluted lake sediments from Isle Royale National Park.
The Great Ancient Copper Mines of Michigan. It is estimated that half a billion pounds (Ref.1) of copper were mined in tens of thousands of pits on Isle Royale and the Keweenaw Peninsula of Michigan by ancient miners over a period of a thousand years.
The evidences of ancient mining operations within the mineral region of Lake Superior were first brought to public notice in the winter of 1847 8. Although the Jesuit fathers frequently mention the existence of copper, and even use the term mines , it is clear, from the general tenor of their narratives, that they neither saw nor knew of any
A Short History of Copper Mining. Copper was first mined in this area by an ancient vanished race between 5,000 and 1,200 bc. The pure copper of Lake Superior has been discovered in prehistoric cultures throughout North and South America. only the Pittsburgh and Boston and the Lake Superior Mining Companies were still operating in the
But thousands of years ago, people were mining another metal, copper, in the Upper Peninsula and Isle Royale, an island in Lake Superior. Many of the researchers at the Marquette conference focus on this topicancient Michigan copper. My own topic is differentarchaeological evidence for
Apr 18, 2014·Missing Prehistoric Michigans Half Billion Pounds of Copper Prehistoric Copper Mining in the Lake Superior Region, by Professors O.J. DuTemple and R.W. Drier, provided a collection of various reference articles. Prehistoric Copper Mining in the Lake Superior Region, Octave Joseph DuTemple, privately published.
Aug 30, 2017·"Prehistoric Alien Mines" Found On Lake Superior? Mystery History. The ancient copper mines on Superiors isle royale for example, although predictable disputed, produced over 750,000 tons of
Pre historic and modern copper mines of Lake Superior [Smith. Samuel Latta] on Amazon. *FREE* shipping on qualifying offers.
Jun 23, 2002·During the latest heyday of regional copper mining in the Upper Peninsula from 1845 to 1968, more than 11 billion pounds of native copper were extracted, mainly in the Keweenaw and Ontonagon County to the southwest. But copper extraction came with prehistoric people more than 10,000 years ago, including on Isle Royale.
Although many questions surrounding Lake Superiors prehistoric copper mining mystery remain, it is a story of ancient ingenuity worthy of modern admiration. Advertisement. Value cannot be null. Parameter name source. Measuring mine life.
Chapter 6 ANCIENT WORKS AND ANCIENT MINING, AT LAKE SUPERIOR AND MISCELLANEOUS LOCALITIES. IN the geological report of Messrs. Foster and Whitney, made to Congress in 1850, we have some details of discoveries of traces of ancient mining in the copper district south of Lake Superior, and also on Isle Royale.
Drier and Du Temple get to their figures with the following faulty assumptions in their important 1961 work "Prehistoric Copper Mining in the Lake Superior Region" "If one assumes that an average pit is 20 feet in diameter and 30 feet deep, then it appears that something like 1000 to 1200 tons of ore were removed per pit. If the ore averaged 5
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Before this find, the oldest mine in the Americas was 2,500 years old and located in the United States. (8) (More about Prehistoric Peru) The Michigan Copper mines There are ancient, prehistoric copper mines along Lake Superior, and metallic copper was still
Oct 02, 2018·Various articles have been found in these old pits or in their neighborhood. Several copper implements, such as a gad, a chisel, knives, and arrow heads, have been discovered, both on Isle Royale and in the vicinity of similar old mines on the south shore of Lake Superior.
Lake Superior Mines, Old Copper Culture and Copper Shipments to Europe during the Bronze Age. Great Lakes Copper Mining in Ancient Times and the Old Copper Culture Below are examples of the forms native copper comes in at the lodes at the Upper Pennisula of Michigan.
Michigan's most ancient industry is America's prehistoric copper mines / Roy W. Drier Prehistoric mining in the copper country / Roy W. Drier EARLY HISTORY First account of copper country published in France in the year 1636 Report on the geology and topography of a portion of the Lake Superior land district in the State of Michigan
The discovery of native copper and silver similarly associated in the Lake Superior mines has not only destroyed this theory, but has established beyond a doubt the locality whence that copper knife, and other relics found in the ancient mounds and elsewhere, were obtained.
It is an exact duplicate of the original 1961 edition, including typographical errors and original photographs. In the years since this book was published, there has been in the field scientific advances which are not included in this work. Prehistoric Copper Mining in the Lake Superior Region is now available again in its original format.
Copper Mining in Ancient America an ambitious mining enterprise of truly industrial proportions opened with great suddenness along the Lake Superior shores of northeastern Wisconsin, thereafter spreading throughout the region, where the worlds purest high grade copper may be found. a mid twentieth century expert on Michigans
The largest mine was on Isle Royale, an island in Lake Superior, near the Canadian border. Here, there are thousands of prehistoric copper pits, dug thousands of years ago by ancient peoples unknown. The Minong Belt on Isle Royale has a distance of one and three quarter miles in length and is nearly four hundred feet wide.
ANCIENT MINING ON THE SHORES OF LAKE SUPERIOR. the French, or the Jesuits of early times, discovered copper on the shores of Lake Michigan or of Lake Erie, of the remains of ancient mines in the copper region is that by Mr. S. O. Knapp, agent of the Minnesota Mining Company, in 1848. Dr.
McCargoe Cove; a long, narrow inlet of Lake Superior on Isle Royale that receives drainage from a watershed that contains numerous ancient copper mines. At McCargoe Cove, concentrations of lead, copper, and potassium increase in the sediments after AD 1860 and between 6500 and 5400 years
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. Today I also want to talk about the persistence of fantasy and mythology surrounding ancient copper mining.
May 13, 2013·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
Mar 22, 2019·Prehistoric copper mines and long human history earns Isle Royale national historic designation. Posted on March 22, 2019 by Greg Seitz. Belle Harbor, Isle Royale National Park (National Park Service photo) The archipelago of islands in Lake Superior that comprise Isle Royale National Park, or Minong as it is known to the Ojbiwe, has been
May 02, 2007·The discovery of native copper and silver similarly associated in the Lake Superior mines has not only destroyed this theory, but has established beyond a doubt the locality whence that copper knife, and other relics found in the ancient mounds and elsewhere, were obtained.
Jan 10, 2013·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.
The diggings extended over 150 miles on the Lake Superior coast through three Michigan counties. Some 5,000 ancient mines have been identified at the Great Lakes. If combined into a straight line, they would form a five mile long trench 20 feet wide and 60 feet deep. But such an excavation would result from all known pits. Until his death in
Aug 19, 2014·5 Oldest Mines in the World A Casual Survey. Isle Royale in Lake Superior, This prehistoric copper mining dates back at least to 5,000 B.C. Keweenaw copper (as the 600 million year old metals, formed from mineral deposits in massive basaltic lava flows, are collectively known) from this period was widely traded in aboriginal North