Chemistry of chlorite from the K-silicate-sericitic alteration in Elatsite porphyry Cu-Au deposit, Bulgaria | Zendy

Hristiana Georgieva | Zendy; Rossen Nedialkov | Zendy

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Chemistry of chlorite from the K-silicate-sericitic alteration in Elatsite porphyry Cu-Au deposit, Bulgaria

Author(s) -

Hristiana Georgieva,

Rossen Nedialkov

Publication year - 2021

Publication title -

review of the bulgarian geological society

Language(s) - English

Resource type - Journals

eISSN - 1314-8680

pISSN - 0007-3938

DOI - 10.52215/rev.bgs.2021.82.3.52

Subject(s) - silicate , sericite , chlorite , geochemistry , porphyry copper deposit , geology , hydrothermal circulation , rhyolite , mineralogy , chemistry , volcanic rock , volcano , fluid inclusions , paleontology , quartz , organic chemistry

The K-silicate-sericitic alteration is one of the well-preserved hydrothermal alterations at the Elatsite porphyry-copper gold deposit (PCGD). It is observed in all lithological varieties, but shows asymmetric distribution of the secondary products. The alteration is genetically related with the occurrence of the K-silicate and Na-Ca-K-silicate alteration. The K-silicate-sericitic alteration has simple mineral content which includes mainly chlorite and sericite. The temperature of formation of the alteration is estimated between 250–268 °C.

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