The Upper Devonian palynostratigraphy and organic matter maturation of the Pulo do Lobo Domain, South Portuguese Zone, Portugal [PDF]
, 2014 Palynostratigraphic research in the Pulo do Lobo Domain, South Portuguese Zone, Iberian Variscides, allows the age revision and the following correlations among the composing stratigraphic units: the Pulo do Lobo and Atalaia Formations exhibit ...
Fernandes, Paulo +2 more
core
Geochemistry, Geophysics, Geosystems, Volume 25, Issue 3, March 2024.Abstract Stable carbon isotope ratios (δ13C values) of marine carbonates are widely used to infer the relative burial rates of organic carbon, a source of oxygen to the ocean‐atmosphere system. This inference, however, is based on the assumption that ocean‐atmospheric carbon is buried either as organic carbon or as marine carbonate minerals. The burial
Sean Gazdewich, Tyler Hauck, Jon Husson
wiley +1 more source
Small-scale cyclic deposition in the Frasnian (Upper Devonian) of the Holy Cross Mountains, Poland
Geologos, 2014 In sections exposing Frasnian limestones at five outcrops in the Holy Cross Mountains, five lithofacies (L1 to L5) that represent upper slope to basinal environments are identified. These lithofacies are characterised by dark-coloured micritic limestones-
Vierek Aleksandra
doaj +1 more source
Late Devonian (Frasnian) Asteropygine trilobites from the Frasnes area, southern border of Dinant synclinorium, Belgium [PDF]
, 2011 The Frasnian representatives of Asteropyginae in the Frasnes area (south Belgium) have long been relatively well-documented when compared to other trilobites in the Devonian of the Ardennes (Belgium, northern France).
Bignon, A., Van Viersen, A.P.
core
UPPER DEVONIAN CONODONT BIOSTRATIGRAPHY OF SHAMS ABAD SECTION, KERMAN PROVINCE, IRAN
Rivista Italiana di Paleontologia e Stratigrafia, 2011 The study of the conodont fauna from the Upper Devonian Shams Abad section provides new data on the stratigraphy of the Bahram Formation in the Kerman province, in southeastern Iran.
ALI BAHRAMI +3 more
doaj +1 more source
A fourth level of Frasnian carbonate mounds along the south side of the Dinant Synclinorium (Belgium) [PDF]
, 2006 An additional level of Frasnian mounds has been recognized in the La Boverie quarry at Rochefort and in four boreholes drilled in the Nord quarry at Frasnes, on the south side of the Dinant Synclinorium.
Boulvain, F., Coen-Aubert, M.
core
Conodont biostratigraphy of the upper Frasnian-lower Famennian transitional deposits in the Shotori Range, Tabas area, central-east Iran Microplate [PDF]
, 2013 A rich and diverse conodont fauna from upper Frasnian and lower-middle Famennian strata in three sections - Ghale-kalaghu, Howz-e-dorah 1 and Howz-e-dorah 2 - in the southern Shotori Range of central Iran contains forty-five taxa belonging to eight ...
BAHRAMI A +3 more
core +1 more source
The Frasnian-Famennian mass killing event(s), methods of identification and evaluation [PDF]
The absence of an abnormally high number of earlier Devonian taxa from Famennian sediments was repeatedly documented and can hardly be questioned. Primary recognition of the event(s) was based on paleontological data, especially common macrofossils. Most
Geldsetzer, H. H. J.
core +1 more source
Autopsy of a biological extinction example: the Frasnian-Famennian boundary crisis (364 Ma) [PDF]
, 1999 Without studying the causes of the F/F boundary mass extinction, the precise analysis of ostracod species shows evolutionary process only discernable it the global scale.
Casier, J.G., Lethiers, F.
core
Palynological age constraint of Les Vilelles unit, Catalan Coastal Chain, Spain
Geologica Acta, 2015 Les Vilelles unit is a detrital sequence exposed at the southwestern margin of the Catalan Coastal Chain (CCC), NE Spain, below the Carboniferous turbiditic series.
F. GONZÁLEZ +3 more
doaj