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Updated: July 14, 2025
In these and many other groups which have been examined by the writer, the same rocks are cut by veins of different ages, having different bearings, and containing different ores and veinstones.
Maps are made showing the locality of each test hole in the valley, and the spot whence every specimen of rock is obtained. On the return of the party its reports and specimens are delivered to the mining bureau. The ores go to the laboratory to be assayed, and the specimens of rock are carefully sorted and examined.
The ores of Tolfa, Milo and Nipoligo; those of Montione, in which silica does not accompany the alumina; the siliceous breccia of Mont Dore, which contains sulphur in its cavities; the alumiferous rocks of Parad and Beregh in Hungary, which belong also to trachytic and pumice conglomerates, may no doubt be traced to the penetration of sulphurous acid vapours.
Then the mineralogical galleries afford the general visitor a peep at the formations of the earth; the various developments of minerals; the natural state of ores and stones which most men see only in their manufactured state.
I am of the bog ores; but that exists which will flux with me, clean me of rust, and transmit my better quality to posterity. O, youth, beauty, and station lovely Vesta! for thee I will be iron!" Milburn looked around the single room inquiringly.
All the subtile strength of the hills ores and sweet waters and resinous perfumes and breath of healing leaf and root distilled to absolute purity in the clear ether that only sweeps from such bare, thunder-scoured summits made up the exhilarant draught in which they drank the mountain-joy and received afar off its baptism of delight.
This ore could be excavated very cheaply by means of improved mining facilities, and transported at low cost to lake ports. Hence the iron and steel mills east of the Alleghanies compelled to rely on limited local deposits of Bessemer ore, and upon foreign ores which were constantly rising in value began to sustain a serious competition with Western mills, even in Eastern markets.
"Because they are the rarest of the elements on your scale, are absent on ours, and supply us with some of the tremendous energy we need." "Why don't you obtain the ores from other worlds?" "We do. We are taking them from all worlds where they exist. But we need yours also." Raiders of the universe! Looting young worlds of the precious radium ores! Piracy on a cosmic scale!
The result is that the rates on agricultural products, low-grade ores, and certain raw materials are possibly the lowest in the world. In other countries rates had to be increased during the war but in South Africa no change was made, so as not to interfere with the agricultural, mineral and industrial development of the country. Nor is the Union behind in up-to-date transportation.
His eyes seemed to show some glimmer of intelligence when he slowly crawled up into the wagon. Their course was directed toward the forest to the west, and the trip there, which occupied nearly two hours, was a constant source of pleasure to all. On the way the animals were stopped at intervals to allow the Professor and George to collect specimens of plants and to seek for ores.
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