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Born 1943, grew up on Mercer Island, Washington, and Truro, Cape Cod, with several years on a sailboat in the Bahamas.
Early in Earth’s history, there were huge volcanic outflows over the Great Lakes area.
In another paper in this volume the auroral events of August 28 and September 2, 1859 have been discussed in the context of other events from that time to the present.
Elsewhere, Siscoe, Silverman and Siebert have presented persuasive arguments for the proposition that the first chapter of the Biblical book of Ezekiel was a description of an aurora.
The half billion pounds mined in prehistory were followed by six and a half billion pounds mined in the “industrial age” in America, starting in the late 1800s Most European copper was smelted out of copper ores starting about 4460 BC.
These ores often had only a concentration of 15% copper in them, and had many trace element contaminants, such as lead (Ref.19).
Copper ores of the “oxidized type”, including the oxide cuprite, and carbonates (malachite) are generally green or blue, and reducible to copper metal by simple heating with charcoal.
Ores of the “reduced type” are sulfides or sulfosalts (chalcocite, chalcopyrite, tetrahedrite), and are not readily identified in outcrops as ores; they require roasting to convert them to oxides, then reduction of the oxides to produce metal.
The oxhides are all brittle “blister copper”, with voids, slag bits, and oxides, created when the oxhides were made in multiple pourings outdoors over wood fires.
Only Michigan Copper is of this purity, and it is known to have been mined in enormous quantities during the Bronze Age.
He was married in 1977 to former Suzanne Winslow Mygatt Ph D, now a retired high school counselor.
He has done real estate construction and development, and was president of small property management and research organizations.
This was called “float copper”, as it appeared that it had “floated” to the surface.