The Elements of economic geology

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Monograph

Identifikator:: 1773832379

URN:: urn:nbn:de:zbw-retromon-172798

Document type:: Monograph

Author:: Gregory, John W. http://d-nb.info/gnd/11683014X

Title:: The Elements of economic geology

Place of publication:: London

Publisher:: Methuen

Year of publication:: 1928

Scope:: XIV, 312 S.; graph. Darst.

Digitisation:: 2021

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Chapter

Title:: Part II. Ore deposits

Collection:: Economics Books

122 ECONOMIC GEOLOGY through the osefi Shaft, which showed a thrust plane by which Paleozoic and Lower Triassic rocks have been pushed on to the Middle Trias. The overthrust bed is nearly half a mile wide, and must have been moved for more than that distance. DBr re DBr ent IAT Eocene- Fiv-~- (¢ Upper Trias - St.Cassian Beds ERE t & DBr Sa Mid Trias {Dolomite & dolomitic Breccia) Muschelkalk DBr DBn Ee, C - Rudi I fas Low Trias - Werfen Bed retaceous - Rudistenkal UpperJrias Wengen Beds Car oe as v nt 3 2s Fie. 37.—THue Ipria MERCURY Mings. Geological map of the district around the Idria Mercury Mines (after Kossmat) ; ee, Eocene-Flysch ; cc, Cretaceous- Rudistenkalk ; t3 t3 Upper Trias-St, Cassian Beds : Upper Trias-Wengen Beds; Dbr., Mid. Trias (Dolomite and Dolomitic Breccia) Muschalkalk ; dotted, Low. Trias-Werfen Beds and Carboniferous-Gailthal Beds; . , | Faults. Lipold’s work has been in general confirmed by the later accounts of the Idria field by Kossmat (tbid., xlix, 1899, pp. 259-96). The rocks belong to the Carboniferous, Trias, Cretaceous, and Eocene Systems. In the Josefi Shaft the

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