Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
hematite .
Etymologies
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Examples
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These hematites are mined in a belt about thirty miles long reaching from
New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission DeLancey M. Ellis
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They are known as the Antwerp red hematites, and, being very easily smelted, are mixed with more refractory ores.
New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission DeLancey M. Ellis
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The St. Lawrence and Jefferson county hematites were represented by large specimens of ore and by a series of associated rocks and minerals, including some beautiful specimens of millerite, chalcedite, etc.
New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission DeLancey M. Ellis
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In Europe there are only three large sources of high-grade iron ore which have heretofore been drawn on largely, -- the magnetite deposits of northern Sweden, the hematites and siderites of the Bilbao and adjacent districts of northern Spain, and the magnetite-hematite deposits of southern Russia.
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In the hematitic iron ores of Lake Superior, magnetism is less pronounced than in the magnetites; and in the soft hydrous hematites, like those of the Mesabi district, it may cause only slight disturbance of the magnetic needle.
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The Lake Superior deposits, the Swedish magnetites, the Spanish hematites, and the Russian ores carry 50 to 65 per cent of metallic iron.
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Among these developments are the increasing production of Swedish ores and their importation into England and Germany, and the increasing use of Clinton hematites and Adirondack magnetites in the United States.
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Continued heavy production may thus be expected from the ores of the Lake Superior region, from the Clinton hematites of Alabama, from the ores of the Lorraine-Luxemburg-Briey district, from the Cleveland ores of England, from the Bilbao ores of
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Careful study of costs has demonstrated the availability in the near future of the Brazilian high-grade Bessemer hematites; and projects which are now under way for exportation to England and the United States will doubtless make this enormous reserve play an important part in the iron industry.
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Geologically, the magnetites and red hematites are confined almost exclusively to the crystalline rocks.
North Carolina and its Resources. North Carolina. Board of Agriculture. 1896
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