Results 121 to 130 of about 2,587 (213)

Selector genes and the Cambrian radiation of Bilateria. [PDF]

Proc Natl Acad Sci U S A, 1990
Jacobs DK.
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TOWARDS STAGE SUBDIVISION OF THE VENDIAN

Геология и геофизика, 2023
Путь к ярусному расчленению венда должен лежать через составление полного сводного геологического разреза этого отрезка земной коры - последовательности геологических тел, каждое из которых отражает определенное состояние экосистем. В качестве основы ярусной шкалы венда предлагается использовать сводный разрез венда Сибирской платформы ...
D.V. Grazhdankin, D.O. Aleksandrov, V.O. Maksimenko, V.I. Rogov   +3 more
semanticscholar   +3 more sources

Cyanobacterial Communities of the Zavkhan Association of the Late Vendian and the Paleoenvironment of the Formation of the Vendian–Cambrian Deposits in Western Mongolia

Paleontological Journal, 2022
D Dorjnamjaa, Zaitseva L V
exaly   +3 more sources

Vendian Hydrogeochemistry of the Siberian Platform

Russian Geology and Geophysics, 2021
Abstract —The Vendian deposits of the Siberian Platform are represented by four regional horizons (from bottom to top): Nepa, Vilyuchan, Tira, and Danilovka. The TDS of brines in the Nepa and Vilyuchan horizons varies from 170.3 to 470.1 g/L, and the TDS in the overlying Tira and Danilovka horizons, from 84.6 to 583.1 g/L.
D.A. Novikov, A.V. Chernykh, L.N. Konstantinova, F.F. Dultsev, I.I. Yurchik   +4 more
openaire   +2 more sources

The aquathermolysis of heavy oil from Riphean-Vendian complex with iron-based catalyst: FT-IR spectroscopy data

Petroleum Science and Technology, 2019
In this paper, we investigated the influence of steam treatment on structural group composition of resins and asphaltenes of heavy oil. The object of investigation was oil-saturated rocks from Riphean-Vendian complex.
Irek Mukhamatdinov, Sergey Sitnov, Alexander Laikov   +2 more
exaly   +2 more sources

Feeding traces of proarticulata—the Vendian metazoa

Paleontological Journal, 2011
Three types of low-topography impressions are described from the Late Vendian, which are interpreted as the feeding traces of representatives of the phylum Proarticulata Fedonkin, 1985, which became extinct in the Precambrian. The producers of two types of trace were found.
Ivantsov A Yu, A Yu Ivantsov
exaly   +2 more sources