Kroshko Y. The Continental Lithogenesis Cretaceous-Paleogene sedimentary formations of the central part of the Ukrainian shield

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0417U000761

Applicant for

Specialization

  • 04.00.21 - Літологія

04-04-2017

Specialized Academic Board

Д26.162.04

Essay

Determined that as a result of cretaceous-paleogenic continental humid lithogenesis in the Central part of the Ukrainian shield was formed space-evolutionary-paragenetic series of sedimentary structural units (structural units laterite and kaolin weathering crusts of areal and linear morphological types and products of fluvial erosion and reworking eluvial deposits within the tectonically erosive depressions) with a corresponding set of minerals, which are spatial and paragenetic linked. The evolution of continental lithogenesis and associated minerals within Central part of Ukrainian Shield determined and controlled by geological and tectonic development of the territory. To establish cause and effect relationships of minerals with defined petrotypes basement rocks and their metallogeny, the weathering crusts. Refined and updated data regarding the spatial distribution, structure, chemical composition and facies conditions of formation of the Apt-lower Albian and middle Eocene continental fluvial deposits and associated minerals. Found that the history of formation and development of river paleovalleys of the Apt-lower Albian and mid-Eocene has a lot of similar and distinctive features. Refined continental formational formational units formed under humid Cretaceous-Paleogene lithogenesis in the Central part of the Ukrainian shield. Using the methods of geoinformation mapping for mineral deposits (bauxite, secondary kaolin, brown coal, ilmenite, gold, etc.) weathering crust and Apt- Albian and middle Eocene continental formations of fluvial paleovalleys built digital maps, which visualize the structure of deposits, the distribution within it of the useful component and are the basis for information support of industrial development.

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