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He was educated at Dartmouth and the University of Washington, in Biology.He was married in 1977 to former Suzanne Winslow Mygatt Ph D, now a retired high school counselor.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.There are a number of places in the world where copper can be found in small deposits in the pure state, but it is usually embedded in a rock matrix, from which it must be freed by intensive labor, or, today, crushed in huge volumes, and treated to obtain the metal.Following a 4-generation family history of archaeological collecting, he has devoted the last 15 years to the study of megalithic monuments and petroglyphs.He has written two books, and about 25 magazine articles.
The scraping and digging by the glaciers, followed by surface exposure of the hardest material, the metal, was followed by sluicing of the land by glacial meltwaters.These ores often had only a concentration of 15% copper in them, and had many trace element contaminants, such as lead (Ref.19).Buried hoards of bronze are usually composed of broken axeheads, miscellaneous broken pieces, and lumps, recycling the valuable metal.Mike Dombrowski and Rochelle Nevedal are a Michigan couple who are in this season’s “The Amazing Race” on CBS, with a Feb. They couple says that they balance eachother out as far as strengths and weaknesses go. Rochelle is an engineer who also runs a roller derby league, and Michael works at a truck stop owned by his parents, but also works as a pro wrestling promoter.