Results 111 to 120 of about 12,768 (231)

Palaeoenvironmental signatures revealed from rare earth element (REE) compositions of vertebrate microremains of the Vesiku Bone Bed (Homerian, Wenlock), Saaremaa Island, Estonia

open access: yes, 2015
The Estonian Journal of Earth Sciences is an open access journal and applies the Creative Commons Attribution 4.0 International License CC BY to all its papers (http://creativecommons.org/licenses/by/4.0/).
Alberto Pérez-Huerta   +13 more
core   +1 more source

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

open access: yesВестник 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

The palaeobiogeography of Silurian ramphoprionid Polychaete annelids

open access: yes, 2002
Silurian palaeobiogeography of the Ramphoprionidae (Annelida; Polychaeta) is outlined. Members of the family are reported from northern Europe (Estonia, Sweden and England), the Russian Arctic (Severnaya Zemlya), and the Canadian Arctic (Baillie-Hamilton
M. Eriksson, Eriksson, Mats
core   +2 more sources

A new species of graptolite from the western margin of the Kufra Basin, Libya

open access: yes
Normalograptus kufraensis sp. nov. occurs as monospecific assemblages in the Tanezzuft Formation at the western margin of the Kufra Basin (Jabal Eghei), southern Libya.
Elgardy, Mohamed   +3 more
core   +1 more source

Chitinozoan diversity in the East Baltic Silurian [PDF]

open access: yesEstonian 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  

Stratabound arsenic and vein antimony mineralisation in Silurian greywackes at Glendinning, south Scotland [PDF]

open access: yes, 1983
Stratiform and disseminated pyrite-arsenopyrite concentrations are overprinted by fracturecontrolled polymetallic mineralisation including stibnite through at least tens of metres of Silurian sediments at Glendinning, near Langholm.
Peachey, D.   +10 more
core  

The Silurian graptolite zonation of China

open access: yes, 1984
China is divided into five Silurian stratigraphic regions on the basis of biostratigraphy and lithostratigraphy. These regions are: Zhungar–Xingan region, Northwest China region, Xizang (Tibet) – western Yunnan region, Yangtze region, and the South ...
Chen Xu
core   +1 more source

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

open access: yesRUDN 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   +3 more
doaj  

Silurian landscape

open access: yes, 1904
Silurian ...
Shattuck, C. H.
core  

Paleontology and stratigraphy of a Silurian (Niagaran) reef-flank bed at Francesville, Indiana

open access: yes, 1975
The quarry of Western Indiana Aggregates, Inc., south of Francesville, Indiana, was examined to determine the relation off its stratigraphy and paleontology to that of other Silurian (Niagaran) outcrops of northern Indiana.
Mourdock, Richard E.
core  

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