Recently formed arsenates from an abandoned mine in Radzimowice (SW Poland) and the conditions of their formation

• Autorzy: Siuda Rafał , Januszewska Anna

Identyfikatory

DOI

10.24425/agp.2022.142646

• Języki publikacji: EN

Abstrakty

EN

In the mining galleries of the abandoned Au-As mine in Radzimowice, diverse groups of secondary arsenates crystallized recently. They form several characteristic assemblages. In the first of them the typical minerals are bukovskýite and melanterite. The second group of secondary arsenates includes scorodite, kaňkite, zýkaite, and pitticite. The third assemblage includes Co-Ni-Mg arsenates of the erythrite-annabergite-hörnesite series. The first assemblage crystallized in a zone with a very high activity of sulphate and arsenate ions and where the pH varies within a narrow range of 2.0-3.5. The second group of secondary arsenates formed in the acidic zone. The minerals identified here suggest pH variation within fairly wide ranges, from about 2.0 to 5.5. Contrary to the first and second mineral assemblage, the Co-Ni-Mg arsenates formed under different geochemical conditions. Their crystallization took place under weak acidic to neutral conditions.

Słowa kluczowe

EN

Bukovskyite; kaňkite; zýkaite; pitticite; iron arsenates; oxidation zone; Radzimowice

PL

bukowskit; kankit; zykait; pitticit; arseniany; żelazo; strefa aeracji; minerały wtórne; Radzimowice

• Wydawca: Faculty of Geology of the University of Warsaw ; Komitet Nauk Geologicznych PAN
• Czasopismo: Acta Geologica Polonica
• Rocznik: 2022
• Tom: Vol. 72, no. 4
• Strony: 423--442
• Opis fizyczny: Bibliogr. 106 poz., rys., tab., wykr.

Twórcy

autor

Siuda Rafał

• University of Warsaw, Faculty of Geology, Żwirki i Wigury 93, 02-098 Warszawa, Poland

autor

Januszewska Anna

• University of Warsaw, Faculty of Geology, Żwirki i Wigury 93, 02-098 Warszawa, Poland

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).