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1Academic Journal
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2Academic Journal
Authors: Marchev, Peter, Georgiev, Stoyan, Raicheva, Raya, Ichev, Milan
Source: Geologica Balcanica; Apr2019, Vol. 48 Issue 1, p63-71, 9p
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3Conference
Authors: Tanatsiev, Stoyan1 stanatsiev@gmail.com, Ichev, Milan2 michev@geology.bas.bg, Pristavova, Stefka1 spristavova@abv.bg
Source: Proceedings of the Bulgarian Geological Society. 2012, p69-70. 2p.
Subject Terms: *URANIUM-lead dating, *VOLCANIC ash, tuff, etc., *HYDROTHERMAL deposits, *CHLORITE minerals
Geographic Terms: SOFIA (Bulgaria)