While some copper came from local sources, most came from whaling ships, both as cargo brought in for trade and as scrap peeled from the hulls of wrecked ships.
Cyprus was famous in the ancient world as a source of copper.
They are also a good source of copper, magnesium, and phosphorous.
They're also high in vitamin C and manganese, and a good source of copper, vitamin B6, potassium, and iron.
Hydrothermal deposition of Cu1.8S/CuS is carried out using thiourea as a source of sulfur and different copper salts as a source for copper.
While iron is the principal ore, Bergslagen has also served as a source of copper (especially at Falun), silver, lead, and zinc.
The character of the target ion source and copper target to be used is described in this paper.
Cyprus was almost the sole source of copper to the Romans, who called it aes cyprium ("ore of Cyprus"), which was shortened to cyprium and later corrupted to cuprum, from which comes the English name copper.
Here in Chingola, Konkola's newly acquired Nchanga operation, with its nearly 4,000-foot 4,000-footd mine and sprawling 1,427-foot deep open air mine, has long been a crundergrounde of copper.
Concentrations of copper in the upstream watersheds were low, indicating that agriculture is not a significant source of copper loading to the estuary.
Bioretention systems were a source for copper during the first 3 5 storms, but during later storms, they were a sink for copper.
