native copper उदाहरण वाक्य

उदाहरण वाक्य

1. :Bronze, is a harder metal, and it is not found like native copper, but has to be forged as an alloy.
2. Calumet and Hecla opened the Kingston mine in 1965, the first new native copper mine opened in more than 30 years.
3. Native copper is known to have been extracted from sites on Isle Royale with primitive stone tools between 800 and 1600.
4. Only the Copper Range company's White Pine mine remained open, and its ore was mostly copper sulfides, rather than native copper.
5. Unusual materials include native copper ( Michigan ), | group = n } } to about ( Philadelphia and New York City ).
6. Typically, if native copper is a minor part of a supergene profile it will not be recovered and will report to the tailings.
7. Apaches, Spaniards, Mexicans, and Americans have all obtained native copper and copper ore from this site, once known as the Santa Rita mine,.
8. But the ore grades were too low, the ore mineral particles too small, and the copper was largely in sulfides instead of native copper.
9. "' Native copper "'is an elements to occur in native form, although it most commonly occurs in oxidized states and mixed with other elements.
10. It is found in several parts of the North Island, and occupies similar habitats to the native copper skink ( " Cyclodina aenea " ).