Results 81 to 90 of about 987 (207)

Paleotectonic and paleogeographic conditions of the Early Vendian volcanism of Volyn

open access: yes, 2013
Приведены результаты палеовулканологичних реконструкций ранневендской базальтовой формации Волыни, выполненные на основе анализа данных о ее составе и строении, и их интерпретаций с позиций актуализма.
Радзивил, В.Я.
core   +1 more source

Features of pyrolytic studies of magnesite-bearing rocks of the Vendian-Cambrian strata of the Lena-Tunguska petroleum province [PDF]

open access: yesНефтегазовая геология: Теория и практика
The results of pyrolytic studies of carbonate rocks of Vendian-Cambrian strata, penetrated by parametric and exploratory wells within the eastern part of the Lena-Tunguska petroleum province, are summarized.
Nevestenko M.A.   +3 more
doaj  

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

open access: yesГеодинамика 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   +2 more
doaj   +1 more source

Learning About the Vendian Animals

open access: yes
The Vendian age marks the first appearance of a group of large fossils collectively known as the Vendian biota or Ediacara fauna. The question of what these fossils are is still not settled to everyone's satisfaction; at various times they have been ...
Ben Waggoner
core  

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

open access: yesGeoresursy
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   +3 more
doaj   +1 more source

Stratigraphy, geochemistry and metallogeny of the Vendian System of Pridnestrovye

open access: yes, 2020
В Молдавском Приднестровье отложения вендской системы развиты повсеместно и слагают первые толщи осадочного чехла, связанного с началом платформенного этапа развития территории.
Kadurin, Volodymyr M.   +5 more
core   +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

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

open access: yesEstonian 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   +3 more
doaj  

Pb-Pb single-zircon ages of granitoid boulders from the Vendian tillite of Wahlenbergfjorden, Nordaustlandet, Svalbard

open access: yes, 1998
There are three areas in eastern Svalbard where Vendian tillites are exposed: eastern Ny Friesland, western Nordaustlandet (north and south of Murchisonfjorden) and further east in inner Wahlenbergfjorden, near Aldousbreen.
Gee, DG,, Larionov, AN,, Tebenkov, AM,
core  

Applying gross alpha and beta measurements as an estimate to the total indicative dose of Cambrian-Vendian ground water in Estonia

open access: yes, 2012
Gross alpha and beta measurements are common procedures for screening water samples in order to estimate the level of total indicative dose (TID) from the radionuclides in water. However, it has been pointed out that gross alpha and beta measurements are
M. Kiisk   +4 more
core   +1 more source

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