Open AccessNew data on the lithostratigraphy of the Paleogene from Pernik, Nikolaevo and Malinovo Grabens
Author(s) -
Elitsa Zareva
Publication year - 2021
Publication title -
spisanie na bʺlgarskoto geologičesko družestvo/spisanie na bʺlgarskoto geologičesko družestvo
Language(s) - English
Resource type - Journals
eISSN - 1314-8680
pISSN - 0007-3938
DOI - 10.52215/rev.bgs.2021.82.1.4
Subject(s) - paleogene , graben , geology , lithostratigraphy , paleontology , conglomerate , section (typography) , breccia , structural basin , advertising , business
The Pernik, Nikolaevo and Malinovo Grabens are almost completely filled with Paleogene sediments. Brown coal has been mined in the Pernik Basin for decades and the rock associations have been subdivided by previous researchers into different in name, age and rock content informal units. In the present work, five formal lithostratigraphic units are defined and described: Masoritsa (Priabonian–Oligocene), Lyulin (Rupelian), Nikolaevo (upper Rupelian–Chattian), Vladaya (Chattian), and Pernik (Chattian) Formations. The first three units are defined for the first time in the present work. The name Masoritsa Formation is introduced for the breccia-conglomerate formation described according to the requirements of the Stratigraphic Code of Bulgaria with a geographic name, type section, relationships with the other units and distribution within the studied area. The Lyulin Formation, which is a nude name, is stabilized in the nomenclature with a type section and lithological characteristics.