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SM ISO690:2012 NEAGA, Vasile. О возрасте теригенно-континентальных образований Преддобруджского прогиба
. In: Buletinul Institutului de Geologie şi Seismologie al AŞM, 2009, nr. 2, pp. 57-68. ISSN 1857-0046. |
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Buletinul Institutului de Geologie şi Seismologie al AŞM | ||||||
Numărul 2 / 2009 / ISSN 1857-0046 | ||||||
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Sedimentary and magmatic rock formation, which were discovered by deep drilling
(1960-1980), are very important from geochronological point of view in the south – west part of
Moldova and in the west of Odessa region (Ukraine). According to substantial composition and
sedimentary conditions we divide the magmatic sedimentary complex in three series as lower,
middle and upper. Lower series reunify detric particoloured rocks and rarely brown rocks
presented by gravellite and sandstone sandwiched by claystone aleurit. Middle series consists
from totally magmatic rocks namely effusive with acid and middle chemical composition and as
well tuff. From lithological point of view Upper series are more diverse and contain terigene rocks
(sandstone, aleurit, clay), hemogen rocks ( anhydrite, dolomite, limestone) and volcanic ones
( tuff, tuff – aleurit, tuff – clay and rarely lava horizons). Opinion about the age of lower formation
is expressed on the lithological, petrographic and micro-paleontological data and regional
correlation of this series, which were discovered in many boreholes in the Predobrogian
depression.
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