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Lengefeld Lime Works
The Lengefeld Lime Works ((ドイツ語:Kalkwerk Lengefeld)) is a limestone mine southwest of Lengefeld in the Saxon town of Pockau-Lengefeld in the Ore Mountains. It is the last mine in Saxony and the last mine on the German side of the Ore Mountains that still transports men and materials into the mine up and down vertical shafts.
== Geology of the deposit ==
The Lengefeld deposit is located not far from the B 101 road, in the wood between the Heinzebank and Pockau. The only element of economic value is dolomitic marble, which is categorized lithostratigraphically as part of the Raschau Formation within the Keilberg Group. The material immediately surrounding the deposit comprises Lower Cambrian rock of the Raschau sequence, about 530 to 540 million years old. Feldspar-bearing muscovite mica-schist forms the basis of this sequence in which thin lenses of amphibolite are interspersed. The stratum of dolomitic marble has an average thickness of 50 to 90 metres. Host rocks include garnet-bearing and quartzitic muscovite mica-schist as well as interleaved strata of quartzite schist (''Quarzitschiefer''). As a result of the Variscan mountain building the once compact body of marble was split into five blocks known as the ''Altes Lager'' ("Old Deposit"), ''Neues Lager'' ("New Deposit), ''Tiefes Lager'' ("Deep Deposit"), ''Lößnitz-Lager'' ("Lößnitz Deposit") and ''Weißer Ofen'' ("White Kiln").〔c.f. (Geology of the Lengefeld Deposit with geological map and sections )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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