Results 81 to 90 of about 3,037 (183)

Lithological and biostratigraphic characteristics of the Upper Silurian and Lower Devonian deposits of the southwestern part of the field named after Roman Trebs

Georesursy, 2018
A conodont sequence from the Przhidolian stage of the Upper Silurian and almost the entire Lokhkovian stage of the Lower Devonian has been established in the sections of the Upper Silurian-Lower Devonian on the southwestern part of the field named after ...
Т.М. Mavrinskaya, E.N. Savelyeva, K.D. Shumatbaev   +2 more
doaj   +1 more source

Hydrocarbon Accumulation Controls in the Upper Sinian–Lower Silurian, Laoshan Uplift, South Yellow Sea Basin, China

Journal of Marine Science and Engineering
Despite complex geological conditions and limited exploration activity, the South Yellow Sea Basin has not yet yielded a commercial hydrocarbon discovery.
Yinguo Zhang, Yong Yuan, Yanqiu Yang, Jianwen Chen, Jie Liang, Jianqiang Wang, Dachao Qi   +6 more
doaj   +1 more source

Difference Analysis of Organic Matter Enrichment Mechanisms in Upper Ordovician-Lower Silurian Shale from the Yangtze Region of Southern China and Its Geological Significance in Shale Gas Exploration

Geofluids, 2019
The upper Ordovician-lower Silurian shale has always been the main target of marine shale gas exploration in southern China. However, the shale gas content varies greatly across different regions.
Ming Wen, Zhenxue Jiang, Kun Zhang, Yan Song, Shu Jiang, Chengzao Jia, Weiwei Liu, Yizhou Huang, Tianlin Liu, Xuelian Xie, Yue Sun, Shichao Fan, Xiangni Cao, Lin Zhu, Chuanxun Zhou   +14 more
doaj   +1 more source

Silurian Carbon [PDF]

Scientific American, 1894
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openaire   +1 more source

Paleomagnetic dating of rocks of the Bolshesyrsky magmatic area of the Minusinsky basin

Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле
Paleomagnetic dating of the Bolshesyrsky igneous area, a thick intraplate igneous complex of Khakassia, was carried out. The complex has not been dated due to the peculiarities of the stratigraphy and the lack of suitable rocks for applying the methods ...
D.V. Kovalenko, M.V. Buzina
doaj   +1 more source

Multiply remagnetized Silurian carbonate sequence in Estonia [PDF]

Estonian Journal of Earth Sciences, 2008
Palaeomagnetic studies were carried out on Silurian sedimentary rocks of Estonia. The studied sequence (126 samples from 4 localities) is composed of Silurian lime- and dolostones of Llandovery and Wenlock age (444–423 Ma).
Preeden, Ulla, Plado, Jüri, Mertanen, Satu, Puura, Väino   +3 more
doaj  

Chitinozoan diversity in the East Baltic Silurian [PDF]

Estonian Journal of Earth Sciences, 2009
Data on the diversity of the East Baltic Silurian chitinozoans have been compared to global chitinozoan biozones that are approximately correlated with the graptolite scale. The total diversity and balanced total diversity curves have three main positive
Nestor, Viiu
doaj  

Microscopic study of “siliceous rocks” of Sarbay formation in Mednogorsky ore district (South Ural)

RUDN Journal of Engineering Research, 2014
The article shows the results of microscopic study of siliceous rocks Early Silurian Sarbay formation of the Southern Urals. Siliceous rocks Early Silurian Sarbay formation of the Southern Urals have a voulcanische genesis.
V V Diakonov, V V Nasedkin, K I Fedosova, A E Kotelnikov   +3 more
doaj  

The Silurian of Sardinia

, 2009
The present volume “The Silurian of Sardinia” is composed of two related components. The first part comprises seven contributions introduced by an historical overview on the studies already carried out on the Silurian faunas of Sardinia. It aims to delineate a comprehensive scenario of the Silurian of Sardinia within a proper geological setting.
CORRADINI, CARLO, FERRETTI A, STORCH P.
openaire   +3 more sources

Correction: Clay minerals evidences for cold-warm fluctuations in the early Silurian. [PDF]

PLoS One
PLOS One Staff.
europepmc   +1 more source