Schleifsteintaler gear train

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The Schleifsteintaler Gangzug , which belongs to the Upper Harz ore veins and runs south of Goslar in the Harz , was known among mineralogists for its nickel minerals . At the turn of the 19th and 20th centuries, the Grand Duchess Alexandra mine was an attempt to dig up larger quantities of nickel ore . The Schleifsteintaler Gangzug was opened up from the Rammelsberg ore mine or through core drilling during the search for further raw material deposits .

Course (projected onto the surface of the day)

Sharpening on the Gegentaler Gangzug on Glockenberg with exfoliation into several partial corridors . Glockenberg - Hohekehl - Kleiner Schleifsteinsberg (eastern end of the expansion zone) - Piepenberg - Dicker Kopf - Okertal . To the west of the barrier wall of the secondary lock of the Okertalsperre , the corridor divides into two sub-corridors, which are lost under the Käste cliffs in the oker granite .

Paragenesis, peculiarities

Special features: nickel ores, for example Gersdorffit (arsenic nickel gloss). Otherwise, galena , sphalerite , siderite and, as gangues, ankerite and quartz occur.

Outcrops

In the Schleifsteintal and on the Piepenberg, quartz fragments appear in the Lower Devonian sandstone , which mark the course of the Schleifsteintaler corridor. In the Oker-Grane tunnel , the passage train was approached at 5208 to 5230 meters from the western mouth hole .

Overview of mining history

Mining on the Schleifsteintaler Gangzug took place on a small scale between the 16th and 19th centuries. In 1862 a nickel ore vein was discovered, whereupon from 1892 to 1901 attempts were made to mine nickel on an industrial scale in the Grand Duchess Alexandra mine in the eponymous Schleifstein Valley, not far from federal highway 241 .

literature

  • Torsten Schröpfer: Treasure trove: Interesting facts about the West Harz mining and metallurgy . 1st edition. Pieper, Clausthal-Zellerfeld 2000, ISBN 3-923605-08-0 .
  • Dieter Stoppel: Course map of the Upper Harz . Federal Institute for Geosciences and Raw Materials, 1981, ISSN  0540-679X .