Results 81 to 90 of about 3,403 (222)

Palaeoecological and possible evolutionary effects of early Namurian (Serpukhovian, Carboniferous) glacioeustatic cyclicity [PDF]

open access: yes, 2008
Early Namurian (Serpukhovian, Carboniferous), sedimentary cycles in the Throckley and Rowlands Gill boreholes, near Newcastle upon Tyne, UK, consist of fossiliferous limestones overlain by (usually unfossiliferous) black mudstone, followed by sandstones ...
Leng, Melanie   +3 more
core   +1 more source

The Cretaceous (Barremian-Maastrichtian) Palynostratigraphy and Palynofacies of the Drazia-1 Well, North Egypt

open access: yesPalynology, 2020
The present palynological study of the Cretaceous succession in the Drazia-1 Well has been performed on 140 cutting samples covering the Barremian to Maastrichtian interval.
Nabil M. Aboul Ela, S. Tahoun, A. Raafat
semanticscholar   +1 more source

Palynostratigraphy and Palaeoecology of the Shishtu Formation, Kuh-e-Tir, northwestern Kerman [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2017
Introduction The triangular-shaped central Iran Microcontinent, being located almost in the middle of Iran, is bounded on the north and south by the Alborz Ranges and Makran Zone, respectively.
hossein hashemi   +2 more
doaj  

Paleoenvironments along the Eastern Laurentide Ice Sheet Margin and Timing of the Last Ice Maximum and Retreat [PDF]

open access: yes, 1987
Palynological and isotopic analysis in a few deep-sea cores from the Labrador Sea reveals strong environmental changes related to the Late Pleistocene glacial fluctuations over eastern Canada.
de Vernal, Anne, Hillaire-Marcel, Claude
core   +1 more source

Jurassic palynostratigraphy of Bornholm, Baltic Sea, Denmark

open access: yesDanmarks Geologiske Undersøgelse Serie C, 1995
Samples of the Rønne Formation have been collected from exposures at Munkerup, Sose Bugt and Galgeløkke and n.vo boreholes, Galgeløkke-1 and -2, at Galgeløkke south of Rønne (Fig. 1). The Hasle Formation was sampled at the type section south of Hasle harbour, at Korsodde and from the Levka-1 and Hasle-1 boreholes.
openaire   +2 more sources

Approaches on palynology, biostratigraphy and correlation of the Macharetí and Mandiyutí groups, Neopaleozoic of the Tarija Basin, Salta province, Argentina [PDF]

open access: yes, 2003
El reconocimiento de 165 especies autóctonas y su rango estratigráfico en los Grupos Macharetí y Mandiyutí en la Cuenca Tarija (norte de Argentina y sur de Bolivia), ha permitido proponer un esquema bioestratigráfico compuesto por una Superbiozona ...
Di Pasquo Lartigue, Maria
core  

Connecting with tephras: principles, functioning, and applications of tephrochronology in Quaternary science [PDF]

open access: yes, 2013
Tephrochronology is a unique method for linking and dating geological, palaeoecological, palaeoclimatic, or archaeological sequences or events. The method relies firstly on stratigraphy and the law of superposition, which apply in any study that connects
Lowe, David J.
core   +1 more source

Palynological assemblages present in Los Monos (Devonian) and Itacua (Lower Carboniferous) formations at Balapuca (Tarija basin), southern Bolivia. Part One. Los Monos Formation [PDF]

open access: yes, 2007
Se caracterizan cuali-cuantitativamente dos asociaciones palinológicas recuperadas de ocho muestras fértiles de la Formación Los Monos (Eifeliano tardío-Frasniano temprano), expuesta en la localidad de Balapuca, ubicada en la margen boliviana del río ...
Di Pasquo Lartigue, Maria
core   +1 more source

Qual a idade mais antiga da Faixa Piritosa? Nova idade Givetiano inferior para o Grupo Filito-Quartzítico (Anticlinal de S. Francisco da Serra, Faixa Piritosa) [PDF]

open access: yes, 2010
A análise palinoestratigráfica de xistos negros do Grupo Filito-Quartzítico, recolhidos na sondagem M-1, na região do Anticlinal de S. Francisco da Serra, no sector mais a oeste da Faixa Piritosa Ibérica, proporcionou a obtenção de uma associação de ...
Fernandes, Paulo   +4 more
core  

Additional systematic information on the Early Carboniferous palynoflora from the Ambo Formation, Pongo de Mainique, Peru [PDF]

open access: yes, 2006
Palynologic results presented in this contribution come from six productive samples located in the upper part of the Ambo Formation at Pongo de Mainique, Peru.
Azcuy, Carlos Leopoldo   +1 more
core   +1 more source

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