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Kartografia geologiczna metamorficznego kompleksu sowiogórskiego

Cymerman Zbigniew

Przegląd Geologiczny

2025

Vol. 73, nr 5

511--516

The second Polish edition of the Detailed Geological Map of the Sudetes (SMGS) at a scale of 1 : 25,000 was initiated with seven map sheets: Zagórze Śląskie, Walim, Pieszyce, Jugów, Ludwikowice Kłodzkie, Nowa Ruda, and Ostroszowice. These sheets cover the Sowie Góry Metamorphic Complex, a key geological unit in the Central Sudetes. This abstract summarizes the results presented in seven chapters, comparing the newly compiled maps of the second edition with older cartographic data. In the updated geological interpretation of the Zagórze Śląskie, Walim, Pieszyce, and Ostroszowice sheets, stromatitic migmatites are the dominant lithological variety, with nebulitic migmatites occurring less frequently. The latter are most prominent in the Jugów, Ludwikowice Kłodzkie, and Nowa Ruda sheets. Schlieren migmatites are particularly common in the Pieszyce, Ostroszowice, and Ludwikowice Kłodzkie areas, while homogenized migmatites occur notably in the Pieszyce and Walim sheets. Additional migmatite types were also identified. Other mapped lithologies include granitic gneisses, various gneisses (aplitic, leptitic, layered, mylonitic), along with mylonites, ultramylonites, and phyllonites. Several units remain unresolved in terms of cartographic classification. The map also documents mafic and ultramafic rocks, including gabbros, hyperites, serpentinites, and amphibolites, as well as several distinct types of vein rocks.