First Re-Os age dating of molybdenite from Babyak Mo-Ag-Au-W-Bi-base metal deposit: evidence for Early Eocene fertile magmatic-hydrothermal system in Western Rhodopes, Bulgaria | Zendy

Milen Stavrev | Zendy; Robert A. Creaser | Zendy; Irena Peytcheva | Zendy; Atanas Hikov | Zendy; Silvia Chavdarova | Zendy

Open Access

First Re-Os age dating of molybdenite from Babyak Mo-Ag-Au-W-Bi-base metal deposit: evidence for Early Eocene fertile magmatic-hydrothermal system in Western Rhodopes, Bulgaria

Author(s) -

Milen Stavrev,

Robert A. Creaser,

Irena Peytcheva,

Atanas Hikov,

Silvia Chavdarova

Publication year - 2020

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.2020.81.3.102

Subject(s) - molybdenite , geology , geochronology , paleogene , base metal , electron microprobe , geochemistry , cretaceous , batholith , radiometric dating , galena , hydrothermal circulation , mineralogy , sphalerite , paleontology , metallurgy , materials science , tectonics , fluid inclusions , welding

The study presents first Re-Os age data of molybdenite from the region at Babyak Mo-Ag-Au-W-Bi-base metal deposit, in combination with electron microprobe and laser ablation inductively coupled plasma mass spectrometry results for molybdenite aggregates. The Re-Os geochronology of the analyzed samples defines age at 52.6 ± 0.2 to 53 ± 0.2 Ma of the ore-forming process in the Babyak area. It marks a distinct fertile Early Eocene event in the Cretaceous-Paleogene evolution of the Rila-West Rhodopes batholith.

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