bluuebunny/crossref_metadata_2025_split huggingface dataset:
Le plissement antenummulitique du Pelvoux
Authors: Vernet Jean 
Published: March 2020

Abstract
The pre-Nummulitic folding of the Pelvoux massif of France was essentially plastic and much more intense than the post-Nummulitic deformation discernible in the orientation of the upper surface of Priabonian (Eocene) strata which transgress the earlier folds discordantly.
L'importance de la tectonique "antenummulitique" dans la zone ultradauphinoise au N du Pelvoux; la chaine arvinche
Authors: Barbier Reynold 
Published: March 2020

Abstract
Intense orogenic activity, generally called pre-Nummulitic but actually essentially Paleocene, caused uplift of a structure, to which the name Arvinche range is given, in the northern Pelvoux massif region, France, prior to deposition of the Flysch of the Aiguilles d'Arves zone. Its characteristic sequence of thrust slices is found along the whole eastern border of the Pelvoux massif, thus establishing the north to south continuity of the Ultradauphinois zone.
Aspects geologiques du desert occidental de l'Irak
Authors: Mitchell Raoul C. 
Published: March 2020

Abstract
The area between the Euphrates river and the western border of Iraq consists of a rocky plain, with generally subdued relief, underlain by eastward and northeastward gently dipping formations ranging in age from Triassic in the west to Recent at the Euphrates. Local faults reflect stresses in the basement of the Syrian plateau resulting from the tendency to reestablish isostatic equilibrium.
Le genre Serridanancus, mastodontide de l'Helvetien moyen de Simorre (Gers)
Authors: Bergounioux Frederic Marie , Crouzel F. 
Published: March 2020

Abstract
Describes Serridanancus simorrensis n.sp. on the basis of molars from middle Helvetian (Tertiary) deposits of the Simorre region, France, ad discusses the origin and relationships of the serridentine and anancoid mastodons.
La vie vegetale continentale aux epoques pre-devoniennes vue sous l'angle de la theorie bio-rhexistasique et des dernieres decouvertes palynologiques
Authors: Erhart Henri 
Published: March 2020

Abstract
According to many American and European (especially Russian) paleontologists, land plants had evolved by upper Precambrian time and existed in the Cambrian and Silurian. This bears out the bio-rhexistasy theory, which holds that the presence of continental vegetation was a necessary prerequisite for the formation of certain deposits in pre-Devonian sequences, such as bauxites.
Observations sur Nummulites millecaput Boubee (forme macrospherique)
Authors: Lefebvre Simone 
Published: March 2020

Abstract
A statistical study of the measurements of macrospheric forms of Nummulites millecaput from Lutetian (Tertiary) deposits of the Gibret area, Landes, France. The values for the thickness of the shell, the diameter of the initial chamber, and the ratio of the diameter of the third whorl to the diameter of the initial chamber are normally distributed around the mean. The thickness of the spiral layer increases to the third whorl, then decreases. The diameter of the initial chamber correlates with the diameter rather than the thickness of the shell.
Etude de la mandibule humaine de la station mousterienne de Petit-Puymoyen (Charente)
Authors: Gabis Renee V. 
Published: March 2020

Abstract
The human mandible found in 1907 at Petit-Puymoyen, Charente, France, in association with a Mousterian fauna (Pleistocene) and artifacts, exhibits characteristics similar to those of Neanderthal man.
Les problemes du Miocene inferieur dans le Tell algerois [with discussion]
Authors: Mattauer Maurice 
Published: March 2020

Abstract
In the Tell region, Algeria, two sedimentary cycles occurred during the lower Miocene. The first ended with emplacement of the nappes of the southern Tell ranges. The post-nappe cycle is represented by Cartennian deposits. The two cycles cannot yet be distinguished on paleontologic grounds.
Presence d'un cephalopode de la famille des aulacoceratides dans l'Argovien des environs de Gornies (Herault)
Authors: Dreyfuss Maurice 
Published: March 2020

Abstract
A cephalopod belonging to the family Aulacoceratidae from Argovian (Jurassic) deposits near Gornies, southern France, is identified as the new species Ausseites? argoviense.
Les dyssymetries des Echinolampas fossiles (echinides exocycles cassiduloides)
Authors: Roman Jean 
Published: March 2020

Abstract
A certain amount of asymmetry in the arrangement and length of the ambulacral elements and the shape and outline of the test of some fossil species of Echinolampas is shown to be characteristic rather than anomalous. Two species from the Lutetian (Tertiary) of the Gironde region, France, illustrate this particularly well, E. stelliferus and E. blaviensis.
Mouvements verticaux et translations dans le couple axe ancient-sillon orogene de la Grece septentrionale
Authors: Brunn Jan H. 
Published: March 2020

Abstract
The orogenic evolution of northern Greece was dominated by the relative and differential movement of two contrasting, parallel and contiguous zones, the ancient Pelagonian massif and the ancient Pindus trough. Ophiolites rose along the flexure separating the two zones. The three stages of recurrent folding in the Pindus structure were preceded by uplift and accompanied by subsidence of the massif.
L'Ouljien dans le cadre du Tyrrhenien
Authors: Gigout Marcel 
Published: March 2020

Abstract
The Ouljian deposits of Morocco represent a transgressive pulsation which immediately preceded the last pluvial stage. Analogies with similar occurrences elsewhere in the Mediterranean and in Europe and other parts of the world are discussed. Because of certain problems relating to the nomenclature of the Tyrrhenian transgressions (in the broad sense), it is proposed that the local name Ouljian be retained, inasmuch as it corresponds to a well-defined episode in a country where the marine Quaternary is of fundamental importance.
Le Valanginien du Mont-Rose de la Madrague (massif de Marseilleveyre, Bouches-du-Rhone)
Authors: Marie Pierre , Mongin D. 
Published: March 2020

Abstract
A report on the stratigraphy, foraminifers (by Marie), and mollusks (by Mongin) of the Valanginian (Cretaceous) deposits of Mont-Rose de la Madrague in the Marseilleveyre massif, Bouches-du-Rhone, France. The so-called lower white limestone, formerly included in the upper Jurassic, represents beds belonging to the Infravalanginian.
Quelques remarques sur la conception actuelle du terme "cordillere" dans les Alpes internes francaises
Authors: Debelmas Jacques 
Published: March 2020

Abstract
The term "cordillera" is being applied more and more frequently to structures whose origin was of lesser magnitude in terms of space, time, and behavior than the original concept of an orogenically active major element of submarine relief. When field observations do not reveal the presence of embryonic "nappes," the tendency is to consider the cordillera as representing a state of orogenic activity affecting a particular area of a geosyncline, during a variable time interval, which is not perforce related, at least not directly, with the breaking off of nappes. This modern approach is applied to an analysis of the inner French Alps.
Le systeme volcanique fissural du pays Mahafaly (SW de Madagascar)
Authors: Boulanger Jacques 
Published: March 2020

Abstract
The Mahafaly plateau region of southwestern Madagascar is traversed by a remarkable swarm of almost 500 parallel dikes following a fracture system, of the same age, extending from the border of the Androy volcanic massif in the southeast to the Karroo formations of the Sakoa region in the northwest. The dikes range from rhyolitic to ultrabasic in composition. Their age can definitely be established as post-Karroo. Although a relationship with the Karroo dolerites of South Africa is suggested, the fissure system seems to be genetically related to the Androy volcanism, in which case the dikes would be upper Cretaceous, whereas the South African Karroo dolerites were related to Rhaetic-upper Liassic volcanism.
Remarques sur les especes europeennes de rudistes appartenant au genre Plagioptychus Matheron (1842)
Authors: Mennessier Guy 
Published: March 2020

Abstract
Rudistid pelecypods belonging to the genus Plagioptychus from Cretaceous localities of Europe are revised, Two groups, one Turonian and the other Senonian, are differentiated by the position of the P IV tooth. The evolution of both groups is characterized by complication of the septa of the left valve and modification of the right valve from gyropleuriform to conical shape. Four new species are erected--Plagioptychus bellumensis, P. uchauxensis, P. roquebrunensis, and P. Piolencensis--and described, together with previously known forms.
Contribution a l'etude du cheminement de divers coulis d'injection
Authors: Leveque Paul 
Published: March 2020

Abstract
Reports the results of a study of geologic conditions at a dam site on the Oum er Rbia in central Morocco, where Autunian (Permian) permeable conglomerates and clayey sands must be grouted. The course of the water through the deposits and the desirable physicochemical and mechanical properties of the grouting material are examined in detail.
Amenagements hydroelectriques dans le sud du Bresil
Authors: Barbier Reynold 
Published: March 2020

Abstract
The geomorphology and hydrology of the Serra do Mar in southern Brazil offer good possibilities for hyroelectric development. The main problem is the deep alteration of the gneisses and granites which constitute most of the range. Sugar-loaf summits in the range are explained as the result of ancient (at least Tertiary) weathering plus recent uplift. Another feature of the range is the development in granitic terrain of so-called ablation tunnels, such as those which have previously been described in sedimentary terrain.
Recherche d'eau dans les vallees seches; probleme typique de Sacy (Yonne) [with discussion]
Authors: Megnien Claude 
Published: March 2020

Abstract
Combined geologic and geophysical (electrical resistivity) surveys in the dry valley of Sacy, Yonne, France, led to the discovery of two subsurface aquifers, one in the eluvial cover, the other in deeply weathered Rauracian (Jurassic) limestone. This type of exploration is considered suitable for ground-water investigations in the upper Jurassic plateaus of the Paris basin.
Conditions de drainage et d'assechement de quelques regions marecageuses du Jura franc-comtois
Authors: Dreyfuss Maurice 
Published: March 2020

Abstract
The marshes of the Drugeon valley in the Jura region, France, are peaty depressions between masses of moraine gravels. They are usually easily drained. In the case of the Champlive basin, near Baume-les-Dames, a natural underground outlet was improved. The Saone marsh, near Besancon, is a more complicated case. A tunnel to the Doubs would be effective, but costly; a wide borehole to a depth of about 80 meters through the impermeable Oxfordian (Jurassic) marls would seem to be preferable.
Observations nouvelles sur les algues et les stromatolithes du Cambrien de Carteret (Manche)
Authors: Dangeard Louis , Dore F.  
Published: March 2020

Abstract
Algae whose microstructures are preserved occur in Cambrian limestones of the Carteret region, France. Some, such as species belonging to Girvanella, occur in different kinds of limestones; others, including Nephelostroma lecomptei n.g. n.sp. and Epiphyton fasciculatum, have constructed stromatolitic beds. Systematic descriptions are given.
Observations sur la genese des nappes de cailloutis fluviatiles
Authors: Tricart Jean 
Published: March 2020

Abstract
Discusses the origin of fluvial pebble accumulations. The petrographic composition of such beds depends not only on the nature of outcrops in the drainage basin, but also on reworking of older alluvium in the valley bottom and on the introduction of material from far upstream. These factors vary considerably in relative importance along a watercourse. Different rocks wear differently in transport, so that as distance from the source increases, the proportion of more durable materials also increases.
Un serpent marin du genre Pterosphenus (Part sheppardi nov. sp.) dans l'Eocene superieur de l'Equateur (Amerique du Sud)
Authors: Hoffstetter Robert 
Published: March 2020

Abstract
Describes a new marine snake, Pterosphenus sheppardi from upper Eocene localities of Ecuador. This species is less specialized than contemporaneous northern forms (known only from Alabama and north Africa). It is concluded that Pterosphenus cannot have derived from specialized forms of Palaeophis, such as P. typhaeus, but from an earlier form such as P. toliapicus. Differentiation into species was divergent rather than linear.
La notion de "gite epithermal uranifere" et les problemes qu'elle pose
Authors: Geffroy Jacques , Sarcia J. A. 
Published: March 2020

Abstract
The uraniferous veins of Limousin, France, exhibit abnormal characteristics relative to classic hydrothermal ore veins. They occur within the granulite complex of Limousin, in fractures trending roughly perpendicular to the direction of zones of high-temperature mineralization in the contact with granite masses. Genesis of the epithermal uraniferous veins is attributed to selective concentration of lithophile elements in granites which had been subjected to pneumatolytic processes; concentration was probably partly a function of material leached by ascending solutions from subjacent shattered zones.
Geologie du secteur manganesifere du Minervois
Authors: Jaeger Jean Louis , Meunier A. , Ovtracht A. 
Published: March 2020

Abstract
Manganese occurs in pockets in Famennian (Devonian) limestones of the Minervois mountains on the south slope of the Montagne Noire, France. Apparently neither structure nor lithology controlled the mineralization. The morphology of the pockets and the composition of the ore suggest that the manganese deposits probably represent lacustrine sedimentation accompanying post-Famennian karst processes, during a period of emergence immediately prior to transgression of the Visean (Carboniferous) sea.
Metallogenie du gisement de La Loubatiere (Aude)
Authors: Oksengorn Simon 
Published: March 2020

Abstract
The lead-zinc mineralization of the La Loubatiere deposit is localized in the basal zone of a calcareous-dolomitic lens forming part of a lower Paleozoic folded and overturned schist-limestone series in the axial zone of the Montagne Noire, France. An intrusive biotite granite caused the development of intense contact metamorphism. Two stages of mineralization are recognized. One was directly related to granite intrusion; the other involved remobilization of syngenetic sulfides of shales and limestones, as a result of granite intrusion, followed by redeposition and concentration in veins of hydrothermal aspect.
Preuves en faveur d'une glaciation neo-jurassique en Patagonie
Authors: Cecioni Giovanni 
Published: March 2020

Abstract
Observations at various localities in Chile indicate that the so-called sericitic porphyrites of Patagonia are not metamorphosed rhyolites or rhyolitic tuffs, but glacial tillites containing striated pebbles and packets of varved clays and marine sediments that have not been subjected to dynamic action. They were deposited at the beginning of formation of the Magellanian foreland trough in the late Jurassic, and pose the problem of a Nevadian orogeny in Patagonia.
Presence du Berriasien dans la stratigraphie du plateau de Kitakami (Japon septentrional)
Authors: Sato Tadashi 
Published: March 2020

Abstract
Berriasian (Jurassic) ammonites are reported for the first time from Japan, from the Kitakami plateau. Four species are described and illustrated. Three are identified as unnamed species (two new) belonging to the genera Olcostephanus, Berriasella, and Kilianella; the fourth is identified as Thurmanniceras isokusensis.
Sur les buttes coquillieres de Saint-Michel-en-l'Herm (Vendee)
Authors: Ters Mireille , Verger F. 
Published: March 2020

Abstract
The three buttes formed essentially of oyster shells at Saint-Michel-en- l'Herm in Vendee, France, rest on Flandrian (Pleistocene) silt. They are not natural occurrences, but were built by man on a tidal flat and have been dated, at least partially, as 1066+ or -100 A.D. by means of carbon-14 analysis.
Le plancher du granite stratoide de Mont-Louis dans les gorges de Nyers; rapports de ce granite avec les gneiss de la Caranca
Authors: Guitard Gerard 
Published: March 2020

Abstract
One of the features observed during the eastern Pyrenees field excursion of the Societe Geologique de France in September 1958 was the layered granite of the Mont-Louis massif, as exposed in the Nyers gorges. The granite grades progressively from a biotite to a two-mica granite.
Le complexe paleo-volcanique de l'Albere et les roches grenues basiques et ultrabasiques qu'il renferme
Authors: Laffitte Pierre 
Published: March 2020

Abstract
The paleovolcanic complex of the Albere area occurs entirely within the Canaveilles series (Cambrian) and apparently has been overturned. Observations on exposures of the complex along the route between Mas Claret and the Branca col made during the eastern Pyrenees field trip of the Societe Geologique de France are reported.
Les migmatites profondes du Canigou dans les gorges du Cadi, a Casteil (pres de Vernet-les-Bains)
Authors: Guitard Gerard 
Published: March 2020

Abstract
Migmatites of deep-seated origin are exposed in the Cadi gorges which cut deeply into the south flank of the Canigou massif. Observations made in the gorge area during a visit by the eastern Pyrenees field excursion of the Societe Geologique de France in September 1958 are reported.
Sur l'existence de sediments oolithiques dans les gres dolomitiques du Trias (inferieur?) de Lorraine
Authors: Laugier Raymond 
Published: March 2020

Abstract
Dolomitic oolites are reported from sandstones and dolomites of the Triassic Voltzia sandstone formation (lower Triassic?) in the axial zone of the Hunsrueck anticline near Sierck, in Lorraine, France. The presence of oolitic structures formed in an environment of small-scale but intense agitation, as is evidenced by the pulverization of associated vegetable matter, suggests the new concept that the epicontinental sedimentation took place in the vicinity of a zone of active marine sedimentation.
Observations preliminaires sur la sedimentation dans les daias de la Hamada du Guir
Authors: Conrad Georges 
Published: March 2020

Abstract
Closed depressions similar to sinkholes are frequently developed in the Pliocene flagstone capping the Guir sandstone plateau in the Algeria-Morocco border region. In places they are filled with alternating sands and clays and two zones of alveolar calcareous crusts. In others, only one crust occurs as a result of Villafranchian (Pleistocene) erosion. Some of the depressions exhibit the characteristics of karst cavities; they were formed in areas where the sandstone was extremely calcareous.
La structure du massif volcanique de l'Androy (Madagascar)
Authors: Battistini Rene 
Published: March 2020

Abstract
The Androy volcanic massif of southernmost Madagascar is more complicated structurally than hitherto believed. Instead of a single basaltic unit covered by a single rhyolitic unit, several successivephases of alternating acid and basic extrusions are recognized. The volcanic complex is cradle-shaped, with dips of more than 10-20 degrees at the margins leading to the formation of cuestas.
Note sur quelques tulitides (Ammonitina) du Bathonien
Authors: Enay Raymond 
Published: March 2020

Abstract
Describes ammonites belonging to the family Tulitidae from Bathonian (Jurassic) localities of France. Specimens formerly attributed to Ammonites microstoma are assigned to the new genus Treptoceras, with two new species T. laurenti and T. crimaciense A complete specimen of Schwandorfia marginata is also described. The genera Sphaeroptychius, Schwandorfia, and Treptoceras are considered diagnostic of the middle and upper Bathonian.
Ebauche d'une carte hydrogeologique de la region parisienne
Authors: Abrard Rene 
Published: March 2020

Abstract
The documentation and methods used in compilation of a hydrogeologic map of the Paris region are reviewed. The map will comprise four sheets, showing the waters of the Campanian (Cretaceous) chalk and the Soissonnais Sparnacian (Eocene) aquifers, the Lutetian (Eocene) coarse limestone, where water circulates in a network of fissures and occurs in the basal sandy bed, the Champigny Ludian (Eocene) limestone, whose permeability is due to fissures, and the aquifer in the Fontainebleau Stampian (Tertiary) sands.
Essai de subdivision metallogenique du territoire de l'U.R.S.S
Authors: Smirnov V. I. 
Published: March 2020

Abstract
The distribution of ores of the Alpine, Mesozoic, Hercynian, Caledonian, and Proterozoic metallogenic epochs in the USSR is shown on a map. The overlapping of epochs within the same province proves the polycyclic character of the mineralized zones. The relations between type of mineralization and the stage of the orogenic and magmatic cycle are discussed.
Granites et synclinaux paleozoiques entre Alencon et Mayenne
Authors: Graindor Maurice Jacques 
Published: March 2020

Abstract
A belt of crushed granites grading into true mylonites extends between Alencon and Mayenne, France. The granites are considered Precambrian in age, inasmuch as they have not metamorphosed the Paleozoic sediments of the region. The Paleozoic sediments have been folded into synclines which were dislocated by important tangential movements during the Sudetic phase of the Hercynian orogeny (late Paleozoic). A series of sections demonstrates the structure.
Le role de la pression fluide dans les deformations tectoniques
Authors: Goguel Jean 
Published: March 2020

Abstract
It has been shown by K. Hubbert and W. W. Rubey that fluid pressure may play an important role in tectonic deformation when it becomes greater than that required for hydrostatic equilibrium. When the impregnating fluid in rock is under such excess pressure, the conditions of solid friction are drastically altered. The limit is reached when fluid pressure becomes equal to lithostatic pressure; rocks could then be displaced freely with respect to one another. Rough calculations show that this limit need not be reached; all overthrusts, whether due to lateral pressure or flow, can take place easily if fluid pressure is 95-98 percent of lithostatic pressure. Possible mechanisms for producing excess pressure are discussed.
Trimorphisme morphologique et trimorphisme structural; un exemple, Choffatella decipiens Schlumberger 1905 (foraminiferes)
Authors: Sigal Jacques 
Published: March 2020

Abstract
An example of trimorphism is described from Aptian (Cretaceous) foraminiferal populations of France and Algeria. It involves Choffatella decipiens which is represented not only by the two known classical forms, but also by a macrospheric form. Criteria for determining that these are all forms belonging to a single species are discussed.
Observations sur l'ontogenese de certains brachiopodes fossiles
Authors: Biernat Gertruda 
Published: March 2020

Abstract
Concrete examples of ontogeny in certain brachiopods are given, based on the order of appearance and degree of development of different internal and external morphologic elements of the valve. Their significance in terms of the family, genus, species, and subspecies, as well as their phylogenetic relationships are discussed.
Protoblattiniella minutissima Meun., forme larvaire du type blattinopside (insectes protorthopteres)
Authors: Laurentiaux Daniel 
Published: March 2020

Abstract
Protoblattiniella minutissima is redescribed, giving details of its anatomy and its affinities with the protorthopteran family Blattinopsidae. It is concluded that Protoblattiniella represents a very young larval form of Blattinopsis, a common insect in the upper Stephanian (Carboniferous) of Commentry (Allier, France).