Copper-ore Sentence Examples
The staple export trade is in fish and their products; other exports are butter, copper ore and hides.
Much iron and copper ore is shipped from the Duluth-Superior harbour; and large quantities of coal, brought by lake boats, are distributed from here throughout the American and Canadian North-west.
Coal and iron are occasionally met with, and traces of copper ore are to be found in places, but none of these minerals exists in sufficiently large deposits to make mining remunerative.
By the ancients copper-pyrites was included with other minerals under the term pyrites, though the copper-ore from Cyprus referred to by Aristotle as chalcites may possibly have been identical with this mineral.
The Swansea Valley canal has a connecting lock with this dock, and on the island between the dock and the New Cut are patent fuel works, copper ore yards and other mineral sheds and large grain stores and flour mills.Advertisement
In this region, watered by the Lualaba, Lufira and other head-streams of the Congo, immense copper ore deposits are found in hills and spurs of rising ground extending over 150 m.
The principal freight shipped eastward consists of flour, wheat and other grains, through Duluth - Superior from the United States, and through Fort William - Port Arthur from the Canadian prairies; copper ore from the mines on the south shore; iron ore in immense quantities from both shores, ?
All except a small fraction of the copper ore is obtained from the province of Huelva, in which lie the well-known mines of Tharsis and Rio Tinto (q.v).
The imported copper ore came ' almost wholly ' from Ireland.
Pharmacosiderite is a mineral of secondary origin, the crystals occurring attached to gozzany quartz in the upper part of veins of copper ore.Advertisement
The chief exports are chestnut extract for tanning, cedrates, citrons, oranges, early vegetables, fish, copper ore and antimony ore.
The export of coal in that year was 74,000 tons, and copper ore 937 tons (vide supra, § Minerals).
This variety forms a passage to the species glaucodote, (Co,Fe)AsS, which is found as well-developed orthorhombic crystals in copper ore at Hakansboda in Ramberg parish, Vestmanland, Sweden.
The mining industry generally has declined, but there is a trade in arsenic, extracted from the copper ore.