DIGITAL STRUCTURAL-LITHOLOGICAL MODEL ANDGEOLOGICAL-GENETIC CHARACTERISTICS OFKOPYTKOVSKYPHOSPHORITE DEPOSITShow others and affiliations
2022 (English)In: Bulletin of Kharkiv National University named after V.N. Karazina, series "Geology. Geography. Ecology, ISSN 2411-3913, Vol. 56, p. 88-104Article in journal (Refereed) Published
Abstract [en]
Introduction. The relevance of this publication is associated with the problem offoundation and developing a raw material base of phosphate raw material inaccordance with the demand of the national agro-industrial complex.The purpose of the publication is to develop a preliminary digital structural-lithological model (DSLM) of the Kopytkivsky deposit, as a tool for informationsupport of its development, as well as geological and genetic characteristics of theobject as a basis for specifying the criteria for predicting deposits of this type. This goal covers the following tasks: - presentation of methodology and researchmethods; - presentation of the database; - demonstration of derivatives of the createddigital structural-lithological model (DSLM) and their interpretation;- representationof functional and cognitive characteristics of the object (Kopytkivsky phosphoritedeposit).
Materials and Metodology. The studies are based on two methodologicalprinciples: traditional lithological, paleofacial, paleogeographic studies and theauthor's development - digital structural and lithological modeling, dialectically combined in the form of a single predictive-paleoreconstructive retrospective-staticmodel.
Main Results. Kopytkivsky deposit belongs to the Zdolbunovskiy district of theZdolbunovskiy-Ternopil zone of the Volyn-Podolsk Cretaceous basin of thephosphorite-bearing province of the East European platform. The indicated zonerefers to the Volyno-Podilllya plate, i.e the western slope of the Ukrainian shield. Inthe area of the Kopytkivsky deposit, layers of inoceramic limestones represent thelower stratigraphic subdivision of the Cretaceous system, lying directly on the pre-Mesozoic basement. The DSLM of the Kopytkivsky field has been developed,intended for information support for further work on its development (detailedexploration and operation). The DSLM database is represented by a description of 567 geological exploration wells.
Conlusions. Based on the constructed DSLM, a number of derivatives (includingvisualizations) were obtained that reflect the structural and material - industrialcharacteristics of the field - a number of maps, profiles, as well as a block diagram ofthe central part of the field. The description of the most informative visualizations aregiven: Map of the hypsometry of the bottom of the "Визначення перспектив розвитку та використанняproductive horizon"Визначення перспектив розвитку та використання, Map of thehypsometry of the roof of the "Визначення перспектив розвитку та використанняproductive horizon"Визначення перспектив розвитку та використання, Map of specific reserves andothers. The model derivatives reflect the spatial (areal and hypsometric) configurationof phosphorites ore bodies and the distribution of specific reserves of P2O5. Based onthe methodological principles of formation analysis and the methodologicalapproaches adopted by us for predictive-paleoreconstructive retrospective-staticmodeling of the object, a geological and genetic characteristic of the stage offormation of layers of inoceramic limestones has been obtained. The mechanism ofphosphorite formation is considered. The presented DSLM is intended forinformation support of detailed and operational exploration, with the prospect of thecurrent development of the model (as a permanent one) with the addition of new dataduring exploration and operational work.
Place, publisher, year, edition, pages
Kharkiv, Ukraine, 2022. Vol. 56, p. 88-104
Keywords [en]
Digital structural and lithological model, Kopyrkivsky deposit, phosphorites, phosphate accumulation, retrospective static modeling, Ukrainian shield
National Category
Other Earth and Related Environmental Sciences
Research subject
Ecosystems and species history; The changing Earth
Identifiers
URN: urn:nbn:se:nrm:diva-4995OAI: oai:DiVA.org:nrm-4995DiVA, id: diva2:1717733
2022-12-092022-12-092023-01-10Bibliographically approved