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Glauconite and apatite peloids in Mesozoic carbonate sediments from the eastern Subbetic Zone (Alicante province)

dc.contributor.authorNieto, Luis M.
dc.contributor.authorJiménez Millán, Juan
dc.contributor.authorMolina, José Miguel
dc.contributor.authorNieto García, F.
dc.description.abstractGlauconite and apatite peloids occur in jurassic and cretaceous bioclast-bearing carbonate rocks from the Algayat-Crevillente Unit (Subbetic Zone). The size and the morphology of peloids are controlled by the bioclasts. Internal texture commonly evidence that the glauconite form nuclei surrounded by apatite. K content is elevated in both stratigraphic positions but higher in the cretaceous glauconites than the jurassic glauconites. Textural and chemical evidence indicate a model of glauconitization with two steps: an early dissolution-crystallization process and a further process of K-enrichment. Low K-content in jurassic glauconites can be explained by the calcitic early diagenetic cementation which stops the second step of glauconitization, while the low Fe content of this glauconites could be a later effect due to a deeper burial diagenesisen_US
dc.publisherSociedad Geológica de Españaen_US
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subject.otherStratigraphic breaksen_US
dc.subject.otherSubbetic Zoneen_US
dc.titlePeloides de glauconita y apatito en sedimentos carbonatados mesozoicos del sector oriental de la Zona Subbética (provincia de Alicante)en_US
dc.titleGlauconite and apatite peloids in Mesozoic carbonate sediments from the eastern Subbetic Zone (Alicante province)eng

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Atribución-NoComercial-SinDerivadas 3.0 España
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