Tremadocian (Lower Ordovician) carbonate rocks were collected from the Xiangshuidong section in the Hubei Province, South China, and analysed for conodont biostratigraphy.
Yan, Guanzhou +5 more
core +1 more source
The world`s oldest crustoid graptolites from the Upper Tremadocian of Poland [PDF]
The Crustoidea are an order of sessile basic graptolites that are morphologically intermediate between the extant genus Rhabdopleura (Rhabdopleuroidea) and the extinct sessile order—the Dendroidea (Kozłowski 1962, 1966; Bulman 1970; Urbanek 1986). So far
Mierzejewski, P +2 more
core
Variation on cranidial shape of Parabolinella argentinensis Kobayashi (Trilobita, Olenidae) from the Tremadocian of northwestern Argentina: Taxonomic implications [PDF]
The late Cambrian-Early Ordovician sequences of the Cordillera Oriental in northwestern Argentina are extensive and highly fossiliferous. The olenid trilobite Parabolinella argentinensis Kobayashi sensu Harrington and Leanza, 1957 was reported from a ...
Ramirez, Mariano Andres +2 more
core +1 more source
Se describe una nueva especie del género Platypeltoides, P. carmenae, de los esquistos de Fezouata, Ordovícico Inferior (Tremadociense) de la provincia de Guelmim (Marruecos).
López Soriano, Francisco J. +3 more
core
Cambrian–early Ordovician volcanism across the South Armorican and Occitan domains of the Variscan Belt in France: Continental break-up and rifting of the northern Gondwana margin [PDF]
The Cambrian–lower Ordovician volcanic units of the South Armorican and Occitan domains are analysed in a tectonostratigraphic survey of the French Variscan Belt.
Álvaro-Blasco, José Javier +7 more
core +1 more source
The activity of the first Hercynian tectonic phase is documented in the Lake Mulargia area (central Sardinia) by the presence of numerous tectonic units.
SEBASTIANO BARCA +3 more
doaj
Lower Tremadocian (Ordovician) lingulate brachiopods from the Central Andean Basin (NW Argentina) and their biogeographical links [PDF]
A Lower Tremadocian (Tr1) lingulate assemblage from the Guayoc Chico Group (Pupusa Formation) is described and illustrated for the first time. The fauna consists of poorly preserved obolids referred to Libecoviella? sp. and Torobolus cf.
Lavié, Fernando Julián +1 more
core
The COSC-2 drill core and its well-preserved lower Palaeozoic sedimentary succession – an unexpected treasure beneath the Caledonian nappes [PDF]
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project focuses on processes related to the closure of the Iapetus Ocean, causing the OrdovicianâSilurian continentâcontinent collision between Baltica and Laurentia.
Oliver Lehnert +18 more
doaj +1 more source
GRAIN SIZE ANALYSIS AND MINERALOGY OF THE TREMADOCIAN DICTYONEMA SHALE IN ESTONIA [PDF]
Aadu Loog +3 more
doaj +1 more source
PYRITE VARIETIES IN ESTONIAN TREMADOCIAN ARGILLITE (DICTYONEMA SHALE) [PDF]
Toivo Kallaste, Eduard Pukkonen
openaire +1 more source

