Pub Date : 2007-01-01DOI: 10.2478/V10002-007-0029-2
M. Sass-Gustkiewicz
{"title":"Granular Disaggregation of Sphalerite as a Source of Fine-Detrital Material in the Mineralized Internal Sediments from the Upper Silesian Zn-Pb Deposits, Poland","authors":"M. Sass-Gustkiewicz","doi":"10.2478/V10002-007-0029-2","DOIUrl":"https://doi.org/10.2478/V10002-007-0029-2","url":null,"abstract":"","PeriodicalId":18686,"journal":{"name":"Mineralogia","volume":"22 1","pages":"231-242"},"PeriodicalIF":0.0,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81872646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2007-01-01DOI: 10.2478/V10002-007-0028-3
A. Pieczka, B. Gołębiowska, J. Parafiniuk
Abstract.Thegeochemistryofcassiteritemayindicateitsorigin.IncassiteritefromRedziny,FeandTiare major substitutes for tin, whereas Nb, Ta and Mn do not occur in significant amounts. Tungsten, whichconcentratesonlyinsomecassiteritedomainsinamountsthatmayexceed1wt.%,iscommonlyclosetozero.ThedistributionofTi,anelementmobileunderstronglyreducingconditions,indicatesthattheformationofthe oldest cassiterite preceded a sphalerite-chalcopyrite-ferrokesterite paragenesis, and that the latter wasfollowedbycassiteritecoevalwitharsenopyrite.Bothcassiteritesprecipitatedunderconditionsofverylowoxygen fugacity, probably below log f (O) 2 = –40. The younger cassiterite, present in oxidized assemblages,crystallized under increasing f (O) 2 .Theco-variationsFe+Mn vs .Nb+TaandHf vs . Zr clearly and une-quivocally point to a hydrothermal origin for the cassiterite from Redziny that can be linked topost-magmatic activity developed around the Karkonosze granite intrusion. Key-words : cassiterite, quartz veins, Redziny, Lower Silesia, Poland, geochemistry, origin
{"title":"Geochemistry and Origin of the Cassiterite from Rędziny, Lower Silesia, Poland","authors":"A. Pieczka, B. Gołębiowska, J. Parafiniuk","doi":"10.2478/V10002-007-0028-3","DOIUrl":"https://doi.org/10.2478/V10002-007-0028-3","url":null,"abstract":"Abstract.Thegeochemistryofcassiteritemayindicateitsorigin.IncassiteritefromRedziny,FeandTiare major substitutes for tin, whereas Nb, Ta and Mn do not occur in significant amounts. Tungsten, whichconcentratesonlyinsomecassiteritedomainsinamountsthatmayexceed1wt.%,iscommonlyclosetozero.ThedistributionofTi,anelementmobileunderstronglyreducingconditions,indicatesthattheformationofthe oldest cassiterite preceded a sphalerite-chalcopyrite-ferrokesterite paragenesis, and that the latter wasfollowedbycassiteritecoevalwitharsenopyrite.Bothcassiteritesprecipitatedunderconditionsofverylowoxygen fugacity, probably below log f (O) 2 = –40. The younger cassiterite, present in oxidized assemblages,crystallized under increasing f (O) 2 .Theco-variationsFe+Mn vs .Nb+TaandHf vs . Zr clearly and une-quivocally point to a hydrothermal origin for the cassiterite from Redziny that can be linked topost-magmatic activity developed around the Karkonosze granite intrusion. Key-words : cassiterite, quartz veins, Redziny, Lower Silesia, Poland, geochemistry, origin","PeriodicalId":18686,"journal":{"name":"Mineralogia","volume":"53 1","pages":"219-230"},"PeriodicalIF":0.0,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87433202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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