Full resolution (JPEG) - On this page / på denna sida - Second part - IX. Mining Industry and Metal Production - 1. The Iron Mines (together with information regarding other mines). By the late Prof. O. G. Nordenström - Resources of iron ore in Sweden
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690 IX. MINING INDUSTRY AND METAL PRODUCTION OF SWEDEN.
If, on the other hand, we take into consideration the total length
of the ore-field, or the length of the whole series of the ores lying
continuously after one another in the direction of the strike, we will
reach still higher figures. Thus the total length of the Norberg
ore-field is nearly 20,000 meters, and that of the Grängesberg ore-field
Dannemora. The old mine *Storrymningen>.
and the Lomberg one connected with it is 4,000 meters; that of the
Riddarhyttan ore-field 3,500 meters, and that of the world-renowned
Dannemora ore-field 2,000 meters. Along the direction of the dip, iron
ores have been mined to a depth of, at the most, 400 meters along
the dip.
From what has already been said of the length and thickness oi
some ores, it may be concluded that Sweden possesses quite considerable
resources of iron ore. This is more clearly shown by the following
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