Results 41 to 50 of about 1,644,051 (117)

KIMBERLITE-LIKE ROCKS OF THE URIK-IYA GRABEN, EASTERN SAYAN REGION: MINERAL COMPOSITION, GEOCHEMISTRY AND FORMATION CONDITIONS

open access: yesГеодинамика и тектонофизика, 2020
The study of the Bol’shaya Tagna alkaline-carbonatite massif and adjacent areas was focused on the mineral and chemical compositions of minerals, the distribution of petrogenic and trace elements in pyroxene-free alkaline picrites in veins and dikes ...
V. B. Savel'eva   +3 more
doaj   +1 more source

Mineral-geochemical features and type of organic matter of the lower-riphean deposits of the eastern-askinskaya area of the republic of Bashkortostan [PDF]

open access: yes, 2018
© SGEM2018. In the East of the Russian plate oil-gas occurrences in Bashkortostan, Perm region and Udmurtia were revealed in the Vendian-Riphean sedimentary deposits. Industrial oil inflows have been obtained in a number of areas.

core  

First results of U/Pb dating of detrital zircons from middle Riphean sandstones of the Zigalga Formation, South Urals

open access: yes, 2020
The results of U/Pb dating of detrital zircons from sandstones of the Zigalga Formation, which is the base level of the Middle Yurmatu Group of the Bashkir uplift, southwestern Urals, are presented.
Gorozhanin V.M.   +7 more
core   +2 more sources

Mineral-geochemical features and type of organic matter of the lower-riphean deposits of the eastern-askinskaya area of the republic of Bashkortostan

open access: yes, 2020
© SGEM2018. In the East of the Russian plate oil-gas occurrences in Bashkortostan, Perm region and Udmurtia were revealed in the Vendian-Riphean sedimentary deposits. Industrial oil inflows have been obtained in a number of areas.

core  

THE SOUTHERN FRAGMENT OF THE SIBERIAN CRATON: “LANDSCAPE” HISTORY OVER TWO BILLION YEARS

open access: yesГеодинамика и тектонофизика, 2015
In the state-of-the-art geology, concepts of evolution of interrelated geodynamic and biotic events throughout the history of the Earth have been developed (Fig. 1). Research results on sediments, bio-stratigraphy and geodynamics of the southern fragment
Arkady M. Stanevich   +4 more
doaj   +1 more source

BOUNDARY BETWEEN THE TIMANIAN AND URALIAN TECTONIC CYCLES: RESULTS OF DATING OF DETRITAL ZIRCONS FROM BASAL HORIZONS OF THE LOWER PALEOZOIC SYNRIFT COMPLEX OF THE POLAR URALS, AND IGNEOUS ROCK AGE DATA REPORT

open access: yesГеодинамика и тектонофизика
The Upper Cambrian-Lower Ordovician terrigenous strata, unconformably overlying the Upper Riphean-Vendian rocks of the Timanide orogen in the north of the Urals, and contemporaneous bimodal volcanics and intrusive rocks are considered complexes marking ...
A. A. Soboleva   +2 more
doaj   +1 more source

The Carbon-Isotopic Composition of Proterozoic Carbonates: Riphean Successions from Northwestern Siberia (Anabar Massif, Turukhansk Uplift) [PDF]

open access: yes, 1995
Thick carbonate-dominated successions in northwestern Siberia document secular variations in the C-isotopic composition of seawater through Mesoproterozoic and early Neoproterozoic (Early to early Late Riphean) time, Mesoproterozoic dolomites of the ...
A. H. Knoll   +5 more
core   +1 more source

DEEP STRUCTURE, TECTONICS, EVOLUTION AND HYDROCARBON POTENTIAL OF THE NORTH-WESTERN SHELF OF THE BLACK SEA ALONG 31°20’ E

open access: yesГеологія і корисні копалини Світового океану, 2021
A density modeling of the north-western shelf of the Black Sea along 31°20’ E was carried out. According to its results, a complex block structure of the area is determined, which is closely connected with the history of its development.
Kozlenko M.V.
doaj   +1 more source

The Timan-Pechora basin. The structure and main stages of development

open access: yesGeoresursy, 2017
The lack of complete inheritance in the history of the Timan-Pechora basin development has led to a discrepancy between the basement surface plans and the individual sub-levels and their complexes. In the lower part of the section, the structures inherit
A.V. Stoupakova
doaj   +1 more source

peterashwin/late-tipping-2022: late-tipping-2022

open access: yes, 2023
Code for paper Bastiaansen R, Ashwin P, Heydt ASVD. (2023) Climate Response and Sensitivity: Timescales and Late Tipping Points, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, volume ...
Peter Ashwin
core   +1 more source

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