Results 101 to 110 of about 3,600 (212)

Ghana airborne geophysics project in the Volta and Keta Basin : BGS final report [PDF]

open access: yes, 2009
This report describes the work undertaken by BGS between November 2006 and March 2009 in collaboration with Fugro Airborne Surveys Pty Ltd on an airborne geophysical survey and ground reconnaissance mapping of the Volta River and Keta Basins, Ghana ...
Carney, J.N.   +3 more
core  

Données palynologiques nouvelles dans l'Ordovicien inférieur du bassin de la Senne, Massif du Brabant, Belgique [PDF]

open access: yes, 1978
The massive phyllites of Oisquercq in the Senne Basin are followed up by quartz phyllites which have yielded acritarchs of several different ages for the different localities, viz.
Vanguestaine, M.
core  

Acritarch-like Microorganisms from the 1.9 Ga Gunflint Chert, Canada. [PDF]

open access: yesAstrobiology, 2022
González-Flores AL   +3 more
europepmc   +1 more source

Are the green algae (phylum Viridiplantae) two billion years old?

open access: yesCarnets de Géologie, 2006
In his book, Life on a young planet, A.H. Knoll states that the first documented fossils of green algae date back 750 Ma. However, according to B. Teyssèdre's book, La vie invisible, they are much older.
Teyssèdre Bernard
doaj  

Nueva información palinológica sobre la Formación Poti (Viseano superior) en el arroyo Roncador, Cuenca Parnaíba, noreste de Brasil [PDF]

open access: yes, 2014
Se presenta el resultado del análisis palinológico de seis muestras de superficie de la Formación Poti expuesta en el arroyo Roncador (Jerumenha, Piauí), noreste de Brasil.
Di Pasquo Lartigue, Maria, Iannuzzi, R.
core   +1 more source

Critères palynostratigraphiques conduisant à la reconnaissance d'un pli couché Revinien dans le sondage de Grand-Halleux [PDF]

open access: yes, 1978
The biostratigraphY based on palynology is given of the most important sections through the lower and middle Revinian of the Stavelot, Rocroi and Givonne massifs. Four assemblage-zones of interregional value are recognised.
Vanguestaine, M.
core  

Influences boréales dans le bassin de Mons (Belgique) à l'Albien

open access: yesCarnets de Géologie, 2007
The occurrence of marine dinoflagellates (including Cauca parva from the Boreal Province), acritarchs and the organic lining of foraminifers suggest Boreal marine influences in the Wealden facies of the Mons basin (Belgium) during the Late Albian.
Yans Johan   +4 more
doaj  

Conodontes et Acritarches de l’Ordovicien inférieur de la partie Septentrionale de la Cordillère Argentine [PDF]

open access: yes, 1982
The Conodonts Cordylodus proavus MULLER, K.J., 1959 et Acodus aff. A. deltatus LINDSTROM, M., 1955 are found, respectively, in the lower and the upper parts of the Santa Rosita Formation, the Tremadocian age of which is known from trilobites and dendroid
Bultynck, P., Martin, F.
core  

Correlation and biostratigraphy of the Kortrijk (Sint-Antonius) and Kortrijk (Lust) boreholes (early Silurian, Belgium)

open access: yesCarnets de Géologie, 2005
Since their drilling, respectively in 1961 and 1971, the 83W421 Kortrijk (Sint-Antonius) and 83W44 Kortrijk (Lust brewery) boreholes have been studied rather extensively for biostratigraphical information.
Wauthoz Bastien
doaj  

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