In: Swiss Journal of Geosciences, 2007, vol. 100, no. 2, p. 215-225
Dans l’île de São Nicolau, archipel du Cap Vert, des calcaires néritiques, intercalés dans des basaltes alcalins, ont été attribués au Crétacé supérieur et à l’Eocène. Un tel âge impliquerait une activité volcanique subaérienne ou sousmarine de faible profondeur dans l’archipel du Cap Vert dès le Mésozoïque et documenterait donc une histoire géologique différente des...
|
In: The Journal of Foraminiferal Research, 2007, vol. 37, no. 4, p. 309-317
Traditionally, the benthic foraminifera Hyalinea balthica (Schröter) has been considered a species with high intraspecific variability, possibly related to climatic changes, and, therefore, a potential indicator of paleoclimate in the Mediterranean Sea. However, a stable and characteristic morphology very different from the syntype of the species can be observed in specimens from the Sea...
|
Thèse de doctorat : Université de Fribourg, 2007 ; no 1550.
Le but de cette étude est de corréler et d’interpréter les dépôts transgressifs de trois différentes zones de dépôt avec haute résolution: les carbonates marginaux de la plate-forme du Jura (Suisse et France) et de la région du Dorset (Angleterre). En plus, une coupe hémipélagique du bassin Vocontien (France) a été intégrée dans le schéma de corrélation haute résolution. La...
|
In: Eclogae Geologicae Helvetiae, 2006, vol. 99, no. 3, p. 295-299
L’espèce de foraminifère Dicarinella imbricata, du Crétacé supérieur de Suisse, a été décrite par L. Mornod en 1949. L’holotype a été figuré seulement par des dessins de l’auteur, et l’holotype n’a jamais été déposé dans le domaine public. Comme l’holotype manquait depuis longtemps, il a été considéré comme perdu et un néotype a été créé. Cependant,...
|
In: Palaeogeography, Palaeoclimatology, Palaeoecology, 2005, vol. 225(1-4), p. 317
Pennsylvanian (Kasimovian) ostracodes from the lower part of the Auernig Group, Carnic Alps, Austria, inhabited a shallow-marine and open-marine environment. Paleontological investigations of two ostracode faunas brought significant differences between the ostracode assemblage of the Anthracoporella (dasycladalean algae) mound environment and the one from the overlying nodular limestone....
|
In: Permo-Carboniferous Carbonate Platforms and Reefs, 2003, p. 201-217
A variety of buildup types occur in the upper Paleozoic Auernig and Rattendorf Groups, Carnic Alps, at the present-day Austrian–Italian border, including coral, diverse algal (Anthracoporella, Archaeolithophyllum, Rectangulina, and phylloid green), bryozoan, brachiopod, and sponge buildups. Thin mounds and banks have a diverse fossil association (e.g., ...
|
In: Sedimentary Geology, 2001, vol. 145(3-4), p. 235
Well-exposed mounds are common in limestone of the Late Carboniferous San Emiliano Formation, Cantabrian Mountains (Northern Spain). They occur as obvious primary topographic features. Careful study of the mound intervals and surrounding strata revealed the internal structures of mounds and the factors controlling their growth. The substrate (2–3 m) of the mounds consists of greyish to reddish,...
|
In: Sedimentary Geology, 1999, vol. 127, no. 3, p. 209-220
Anthracoporella algal mounds, up to 22 m thick, occur within the cyclic sequences of the Lower Pseudoschwagerina Limestone (uppermost Carboniferous), Carnic Alps (Austria). Their depositional environment lay between the wave base and the base of the photic zone. The algal mounds are overlain by dark, well-bedded, cherty wackestones and packstones. The cherty limestones contain cephalopods,...
|
In: Theoretical and Applied Climatology, 2002, vol. 71(1-2), p. 29
An investigation has been undertaken to assess the manner in which the North Atlantic Oscillation (NAO) influences average, climatic conditions, and also extremes of dynamic and thermodynamic variables. By choosing representative sites in the Swiss Alps, the present study shows that there is a high sensitivity of the extremes of the probability density functions of temperature, moisture and...
|
In: Geophysical Research Letters, 2005, vol. 32, p. L01812
Investigations conducted for several Swiss mountain climatological sites, and in particular the Saentis high mountain site at 2,500 m above sea level, show that positive temperature anomalies during the winter season currently exceed those of all other seasons. These “heat waves” exhibit daily maximum temperature anomalies sometimes in excess of 16°C, and are observed to have increased...
|