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Geochemical significance of the zincian chrome-spinel for the genesis of the Cr-Ba-Fe-Cu-Zn ore deposit in the Zagrlski Brook (Bosnia and Herzegovina) (CROSBI ID 82286)

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Jurković, Ivan ; Slovenec, Dragutin Geochemical significance of the zincian chrome-spinel for the genesis of the Cr-Ba-Fe-Cu-Zn ore deposit in the Zagrlski Brook (Bosnia and Herzegovina) // Acta geologica, 25 (1998), 39-55-x

Podaci o odgovornosti

Jurković, Ivan ; Slovenec, Dragutin

engleski

Geochemical significance of the zincian chrome-spinel for the genesis of the Cr-Ba-Fe-Cu-Zn ore deposit in the Zagrlski Brook (Bosnia and Herzegovina)

The metamorphic deposit in the Zagrlski Brook occurs at the contact with a metabasite, apparently conformable with the surrounding Lower Palaeozoic metasediments. The main minerals are siderite, albite, quartz, magnetite, pyrite, significant constituents are hyalophane, chalcopyrite, manganoankerite and zincian chrome-spinel. The authors proved the magmatic origin of the chrome-spinel and of other metals by convecting hydrothermal fluids. The mineral assemblage of the Zagrlski Brook deposit coexists with the neighbouring para-and orthometamorphic greenschist facies complex. In the Oligocene-Eocene time tension fractures were filled by big crystals of quartz and hyalophane cutting the metamorphic deposit.

Peculiar paragenesis; Zn-Cr-spinel; Ferrichromite; magnetite; hyalophane; Mn-ankerite; Bosnia

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Podaci o izdanju

25

1998.

39-55-x

objavljeno

0448-0155

Povezanost rada

Geologija