Results 51 to 60 of about 287 (153)

GEOCHRONOLOGY OF THE METAMORPHIC ROCKS IN THE KURAI ACCRETIONARY PRISM (SOUTH-EASTERN GORNY ALTAI)

Геодинамика и тектонофизика, 2017
The paper provides a review of the published and new geological and geochronological data on the metamorphic rocks in the Kurai accretionary prism, considering the evolution of the Kuznetsk-Altai island-arc paleosubduction channel of the Siberian ...
A. V. Kulikova, M. M. Buslov, A. V. Travin   +2 more
doaj   +1 more source

Lithogeochemistry of fine-grained Vendian clastic rocks of the Nepa dome, Siberian Platform

Литосфера, 2016
It is conducted lithogeochemical investigation of Vendian fine-grained clastic sediments composed Talakh, Parshinsk (Nepa horizon) and Byuk suites (Tyre horizon) of some wells core material in Nepa dome of Nepa-Botuoba anteclise, Siberian Platform ...
L. N. Kotova, V. N. Podkovyrov, O. V. Graunov   +2 more
doaj   +2 more sources

Geology and geochemistry of Riphean-Vendian petroleum system (the Northern part of the Volga-Ural Basin)

Georesursy
Riphean-Vendian Petroleum system of VolgaUral Basin (Northern part, Kama-Belsky aulakogen) main elements are described. Reservoirs and properties of them (porosity and permeability), source rocks are characterized geochemically by results of pyrolysis ...
D. D. Kozhanov, M. A. Bolshakova, I. S. Khopta, A. V. Mordasova, A. V. Stoupakova, Ya. A. Zaglyadin, M. S. Borisova, A. P. Zavyalova, V. V. Chupakhina, T. R. Sakhabov   +9 more
doaj   +1 more source

Pre-Ordovician phosphorites and paleooceanography: a brief excursus into geochemical systematics of rare earth elements

Литосфера, 2017
This publication provides an overview of the rare earth elements systematics in Pre-Ordovician phosphorites from various regions of the world. Based on the analysis of significant data bank it shows that currently there are no universal parameters ...
A. V. Maslov
doaj  

The first results of U-Pb (LA-ICP-MS) dating of detrital zircons from sandstones of the Staropetrovo Formation of the Vendian Volga-Uralian sedimentary basin and potential sources of zircon clusters

Georesursy
For the first time, information on the age of rocks – sources of zircon clastics for deposits of the Staropetrovo Formation of the Vendian Volga-Uralian sedimentary basin was obtained.
S. A. Dyakova, N. D. Sergeeva, A. V. Kulikova, M. R. Lukmanova, T. R. Abdeev, P. A. Krasilnikov   +5 more
doaj   +1 more source

[Patterns of social behavior among informal workers during extreme events: lessons from social life during the Covid-19 pandemic in Lima, Peru.] [PDF]

Salud Colect, 2023
Arroyo Laguna J, Aramburú C.
europepmc   +1 more source

Geochemical background of Berezovsky depression oil and gas potential (eastern Siberia)

Georesursy
Berezovsky depression, located on the northeast of the Pre-Patom foredeep, is a promising target for hydrocarbon prospecting, as evidenced by oil and gas shows established while drilling, the presence of structures and natural reservoirs.
N. P. Fadeeva, N. V. Morozov, E. A. Bakay, S. V. Frolov   +3 more
doaj   +1 more source

NEW DATA ON THE AGE AND COMPOSITION OF OPHIOLITES FROM THE KABAK-TAIGA MASSIF (GORNY ALTAI)

Геодинамика и тектонофизика
The combination of newly obtained geological, petrological and geochronological data on the rocks from the Kabak-Taiga ophiolite massif of the Gorny Altai and already published materials on similar characteristics of the ophiolites from Tuva allows us to
V. D. Zindobryi, M. M. Buslov, A. V. Kotlyarov   +2 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

Геодинамика 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, N. Yu. Nikulova, V. B. Khubanov   +2 more
doaj   +1 more source

Chemical peculiarities of the Silurian–Ordovician and Cambrian–Vendian aquifer systems in Estonia: an overview of hydrochemical studies [PDF]

Estonian Journal of Earth Sciences, 2009
The chemical composition of groundwater was studied and plausible reasons for its peculiarities were evaluated on the basis of long-term groundwater monitoring data.
Karro, Enn, Marandi, Andres, Vaikmäe, Rein, Uppin, Marge   +3 more
doaj