native copper उदाहरण वाक्य

Native copper was an important ore of copper in historic times and was used by pre-historic peoples.
In addition, they used native copper, silver and gold for metalworking, in which they used very advanced methods.
Indians guided missionary Claude Dablon to the Ontonagon Boulder, a 1.5-ton piece of native copper along the Ontonagon River.
Some native silver is found, and it is said that a small amount of native copper is also present.
The copper was discovered in 1843 by a prospector, presumably panning for gold, who found nuggets of native copper.

The Cape was named by French explorers ( Cape of Gold ) because bright native copper deposits appeared golden.
Native copper occurs rarely as isometric cubic and octahedral crystals, but more typically as irregular masses and fracture fillings.
The latter describes a break along a rough, jagged surface; an example of this property is found in native copper.
The central skeleton was accompanied by a fish-dart, a lance-head, and a sheet of hammered native copper near the head.
It is associated with aurichalcite, shattuckite, ajoite and baryte in Arizona, and with quartz, native copper and ajoite in South Africa.