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Carbon isotope stratigraphy across the Silurian-Devonian transition in Zoige (West Qinling), China
Chemostratigraphy carbon isotope palaeontology Silurian-Devonian Boundary West Qinling, China.
2014/3/26
Carbon isotope (δ
13
C
org
) analyses of neritic carbonates and black shales spanning the Silurian-Devonian transition are
compared from two richly fossiliferous sequences in Zoige County (West Q...
A basal antiarch (placoderm fish) from the Silurian of Qujing, Yunnan, China
Antiarcha Placodermi Silurian Phylogeny China
2014/3/26
A new basal antiarch, Silurolepis platydorsalis n. gen. n. sp., represented by a large-sized trunk armor and a disassociated anterior median dorsal
plate (AMD), is described from the Ludlow (Silurian...
Silurian atmospheric O 2 changes and the early radiation of gnathostomes
Silurian Atmospheric O Climate Gnathostomes Radiation
2014/3/26
The number of known Silurian gnathostome fossils has increased significantly during the last two decades, and greatly improved our understanding
of the early diversification of gnathostomes (jawed ve...
Carbon isotope stratigraphy across the Silurian-Devonian transition in Zoige (West Qinling), China
carbon isotope palaeontology Silurian-Devonian Boundary West Qinling, China
2014/3/26
Carbon isotope (δ
13
C
org
) analyses of neritic carbonates and black shales spanning the Silurian-Devonian transition are
compared from two richly fossiliferous sequences in Zoige County (West Q...
The Bjørntvet metabentonite:A new correlation tool for the Silurian of the southwest Oslo Region
Bjø rntvet metabentonite new correlation tool Silurian southwest Oslo Region
2009/12/3
A three-layer horizon of silicate-rich rock exposed in the Bjørntvet limestone quarry in Porsgrunn has been identified as a metabentonite. Its total thickness is 75 cm, it has a dark green-grey...
Comparison of pattern-recognition techniques for classification of Silurian rocks from Lithuania based on geochemical data
pattern-recognition techniques classification Silurian rocks geochemical data
2009/12/3
There is no widely recognized chemical classification of sedimentary rocks. The geochemical classification of sedimentary rocks utilizes features that can be observed in hand specimens or in thin sect...
Soft-sediment deformation structures in the Late Silurian Stubdal Formation:the result of seismic triggering
Soft-sediment deformation structures Late Silurian Stubdal Formation seismic triggering
2009/12/3
The Ringerike Group is a lower Old Red Sandstone fluvial sequence that forms part of the Late Silurian foreland basin succession of the Ringerike Group, Oslo Region, southern Norway. The Ringerike Gro...
A revised stratigraphy for the Ringerike Group(Upper Silurian,Oslo Region)
revised stratigraphy Ringerike Group
2009/12/3
The Ringerike Group is a terrigenous succession of Upper Silurian sediments that outcrops in a number of areas within the Oslo Region of southern Norway. Despite being the focus of a number of studies...
The myodocope ostracod Entomozoe from the Early Silurian of Severnaya Zemlya,Russian Arctic
myodocope ostracod Entomozoe Early Silurian Severnaya Zemlya
2009/12/3
The myodocope ostracod Entomozoe aff. Entomozoe tuberosa (Jones 1861) has been identified from the Silurian Telychian Stage, Llandovery Series of Severnaya Zemlya, Russia. Entomozoe was previously kno...
Silurian gabbro-diorite-trondhjemite plutons in the Trondheim Nappe Complex,Caledonides,Norway:petrology and U-Pb geochronology
Silurian gabbro-diorite-trondhjemite plutons Trondheim Nappe Complex petrology U-Pb geochronology
2009/12/2
Large bodies of trondhjemite, up to 200 km2 in size and locally coexisting with diorite and gabbro, represent an important plutonic component of the Köli Nappes in the Trondheim Region. Zircon (a...
New correlations of Telychian (Silurian) bentonites in Estonia
bentonite K-bentonite Telychian sanidine correlation
2009/10/22
Seventy-seven Telychian bentonite samples from six drill-core sections were correlated on the basis of their sanidine composition. In total, bentonites from 43 volcanic eruptions, of which six are new...
Dolomitization and sedimentary cyclicity of the Ordovician,Silurian,and Devonian rocks in South Estonia
dolomitization sedimentary cyclicity diagenesis dolomite XRD porosity
2009/10/21
The distribution and composition of dolomitized rocks and stoichiometry of dolomite in southern Estonia in the Ordovician, Silurian, and Devonian were studied on the background of the facies, sediment...
Thelodonts (Agnatha) from the basal beds of the Kuressaare Stage,Ludlow,Upper Silurian of Estonia
Thelodonti Agnatha taxonomy Estonia Ludlow Silurian
2009/10/21
The thelodont Loganellia cuneata (Gross) is redescribed and new thelodont taxa Paralogania perensae sp. nov., Nethertonodus laadjalaensis sp. nov., and Longodus acicularis gen. et sp. nov. are establi...
Recent developments in the Upper Ordovician and lower Silurian conodont biostratigraphy in Estonia
conodonts biostratigraphy Upper Ordovician Llandovery Wenlock Estonia
2009/10/21
The current state of and the latest developments in the conodont-based biostratigraphical studies of Upper Ordovician and lower Silurian strata in Estonia are discussed. An updated conodont zonation i...
Platystrophia (Orthida) and new related Ordovician and Early Silurian brachiopod genera
Rhynchonelliformea Platystrophiidae Baltica Avalonia Laurentia new taxa
2009/10/21
More than 150 Ordovician and Early Silurian brachiopod species have been assigned to the genus Platystrophia King,1850 mainly on the basis of their Spirifer-like shell exteriors. King’s concept o...