Geochemical Characteristics of Brines and Modern Evaporites in the Taloe Lake Tract (Republic of Khakassia)

Khrushcheva, M. O.; Тишин, П. А.; Chernyshov, A. I.

doi:10.26516/2073-3402.2019.30.130

Bull.ISU.Ser.Earth.Sci.

2019

DOI: 10.26516/2073-3402.2019.30.130

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Geochemical Characteristics of Brines and Modern Evaporites in the Taloe Lake Tract (Republic of Khakassia)

M. O. Khrushcheva¹,

П. А. Тишин²,

A. I. Chernyshov³

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2024

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Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Plusnin,

Sulima,

Staroselets

et al. 2024

Georesursy

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The lithologic-facial, mineralogical, petrographic, and lithogeochemical studies of Visean terrigenous sediments in the borehole section at the Bashkirian arch were carried out to clarify the sources of matter and sedimentation conditions. Terrigenous rocks of the Radayevsky and Bobrikovsky horizons are characterized by predominantly good sorting and pelletization of clastic material. A significant distance from the source of drifting is assumed. Terrigenous rocks of these horizons are sediments of the first and second sedimentation cycles. The rocks of the Tula horizon are characterized by average sorting and pelletization, which indicates the proximity of the drift source to the sedimentation basin. They are rocks of the first sedimentation cycle. The source of clastic material for the Radayevsky and Tula horizons was found to be rocks of acidic composition. For the beaver horizon, the acidic and the main source of drift was established. It is assumed that sedimentation of rocks occurred in coastal-marine conditions on the passive continental margin, with the inflow of clastic material from the inner parts of the East European Platform, due to overwashing of the early accumulated terrigenous rocks of the Devonian and Proterozoic, as well as destruction of the basement ledges, which were activated in the Early Visean time during the manifestation of folding. The presence of basic rocks in the Bobrikovsky horizon may indicate that the material came from the orogen.

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Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Plusnin,

Sulima,

Staroselets

et al. 2024

Georesursy

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Provenances and Sedimentation Settings of the Vendian Terrigenic Rocks of the Southern Part of Nepa-Botuoba Anteclise (Siberian Platform)

Motova

Plyusnin

2022

Geodin. tektonofiz.

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This paper presents the results of petrographic, lithogeochemical, and U-Pb geochronological studies of detrital zircons in deep core sediments from the Vendian terrigenous sequences of the Nepa and Tira formations in the interior of the Siberian Platform. The section of the Nepa formation is characterized by a terrigenous sediment, the Tira Formation is composed mainly of carbonate rocks. The terrigenous rocks of the Nepa formation are composed of ill-sorted and poorly rounded clasts. Towards the higher part of the section of the Tira formation, there is observed an increase in the degree of sorting and roundness of detrital grains. It has been established that clastic rocks of the lower Nepа subformation are the products derived from rocks of mixed (acidic, basic) composition. The terrigenous rocks of the upper Nepa Subformation and the Tira formation accumulated mainly due to acid decomposition of rocks. The U-Pb (LA-ICP-MS) geochronological studies of detrital zircons from terrigenous rocks of the Nepa and Tira formations led to the conclusion that the sedimentary basin of these formations was contributred to by both the Archean-Early Proterozoic rocks in the basement of the Siberian Platform and the adjacent areas of the Central Asian foldbelt. It is assumed that the sediments of the lower Nepa subformation deposited in the residual basin, formed by joining of terrains and island arcs in the Paleoasian Ocean to the southern margin of the Siberian Platform during the Vendian accretionary-collisional events. This was followed by a transformation into a peripheral sedimentary basin and an occurrence of a transgression of the sea, which favored the accumulation of terrigenous-carbonate rocks of the Tira formation.

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Geochemical Characteristics of Brines and Modern Evaporites in the Taloe Lake Tract (Republic of Khakassia)

Cited by 2 publications

References 0 publications

Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Provenances and Sedimentation Settings of the Vendian Terrigenic Rocks of the Southern Part of Nepa-Botuoba Anteclise (Siberian Platform)

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Geochemical Characteristics of Brines and Modern Evaporites in the Taloe Lake Tract (Republic of Khakassia)

Cited by 2 publications

References 0 publications

Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Provenances and Sedimentation Settings of the Vendian Terrigenic Rocks of the Southern Part of Nepa-Botuoba Anteclise (Siberian Platform)

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Product

Resources

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Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)

Sedimentation Conditions, Material Composition, and Reconstruction of the Rock Composition of the Feeding Provinces of the Visean Terrigenous Stage of the Bashkir Dome (Based on the Results of the Study of the Borehole Core in the South of the Perm Territory)