Results 1 to 10 of about 2,587 (213)

C- AND Sr-ISOTOPE CHEMOSTRATIGRAPHY OF THE UPPER PROTEROZOIC – LOWER CAMBRIAN TRANSITIONAL DEPOSITS IN THE LENA-ANABAR TROUGH (NORTHEASTERN SIBERIAN PLATFORM)

open access: yesГеодинамика и тектонофизика, 2023
Studies have been made of the carbon and strontium isotope composition in carbonate sediments of the Khorbusuonka group and Kessyusa formation corresponding to the Upper Vendian in deep Khastakhskaya-930 and Burskaya-341-0 boreholes at the northeastern ...
B. B. Kochnev   +2 more
doaj   +1 more source

Sedimentology and stratigraphic correlation of Vendian deposits in the southwestern Siberian Craton: Major contribution of an exocratonic clastic source to sedimentary systems

open access: yesЛитосфера, 2018
The study focuses on the sedimentation and stratigraphy of a large Vendian (Ediacaran) sedimentary basin in the southwestern Siberian craton, with implications for the origin of its units and subunits.
Julius K. Sovetov
doaj   +1 more source

Provenance reconstructions. Article 1. Mineralogical and petrographic approaches and methods

open access: yesЛитосфера, 2020
Research subject. This is the first in the series of four articles, which aims to review existing provenance reconstruction tools.Methods and materials.
A. V. Maslov   +3 more
doaj   +1 more source

U-Pb (LA-ICP-MS) age of detrital zircons and the sources of terrigenous sediments of the Ipsit suite, Karagass series (Sayan segment of the Sayan-Baikal-Patom belt)

open access: yesГеодинамика и тектонофизика, 2018
The petrographic, lithogeochemical and U-Pb (LA-ICP-MS) geochronological studies were carried out to investigate the terrigenous rocks sampled from the lower part of the Ipsit suite of the Karagass series (Sayan segment of the Sayan-Baikal-Patom belt ...
Z. L. Motova   +3 more
doaj   +1 more source

Redox bottom-water conditions in Neoproterozoic basins on eastern and north-eastern periphery of East-European Platform

open access: yesЛитосфера, 2015
The redox bottom-water conditions in the sedimentary basins, which existed during the Late Riphean-Vendian on the east and north-east (in modern coordinates) margins of the Baltic, are investigated.
A. V. Maslov, V. N. Podkovyrov
doaj   +2 more sources

Hypostratotype section of the Vendian Ust’-Sylvytsa Formation in the Kvarkush-Kamennogorsk Anticlinorium (Central Urals)

open access: yesLithosphere
Research subject. The sedimentary sequences of the Ust’-Sylvitsa Formation of the Upper Vendian Sylvitsa Group were studied in Kvarkush-Kamennogorsk Anticlinorium in the sections on Lake Shyrokovsky coastline and Chusovoi City area in the Perm Krai ...
V. Pánková   +7 more
semanticscholar   +1 more source

The origin of barium in the Cambrian–Vendian aquifer system, North Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2009
Identification of the barium occurrence and its origin is made on the basis of the groundwater chemistry study. High Ba content has been detected in the Cambrian–Vendian aquifer system in the coastal vicinity of the Gulf of Finland in Estonia and St ...
Mokrik, Robert   +3 more
doaj  

COMPOSITION AND STRUCTURE OF THE NEPSKY AND TIRSKY FORMATION OF THE PRILENSK-NEPSKY STRUCTURAL-FACIES ZONE OF THE NEPA-BOTUOBA ANTECLISE BY THE RESULTS OF CORE MATERIAL STUDIES

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2020
Background. Clarification of the structure of sedimentary formations located on the Siberian Platform by means of lithological and petrographic core studies has a theoretical and practical significance for the creation of geological models for oil and ...
A. V. Plyusnin, M. I. Gyokche
doaj   +1 more source

The role of proterozoic sediments in the formation of oil and gas content in the northern part of the Volga-Ural oil and gas basin (based on the results of basin modeling)

open access: yesGeoresursy
Two-dimensional basin modeling was carried out along regional profiles (sublatitudinal and submeridional). When modeling, the software package of Lomonosov Moscow State University was used.
D. D. Kozhanov   +2 more
doaj   +1 more source

Mapping of potentially hazardous elements in the Cambrian Vendian aquifer system, northern Estonia [PDF]

open access: yesBulletin of the Geological Society of Finland, 2003
Communities and towns in northern Estonia rely upon either surface waters or groundwater from Cambrian-Vendian aquifer system with limited fresh water resources.
E. Karro, A. Marandi
doaj   +1 more source

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