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Halitherium taulannense, nouveau sirénien (Sirenia, Mammalia) de l'Éocène supérieur provenant du domaine Nord-Téthysien (Alpes-de-Haute-Provence, France) Halitherium taulannense，新塞伦尼亚(塞伦尼亚，哺乳动物)，上始新世，来自nord - tethysien域(法国上普罗旺斯阿尔卑斯)
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-31 DOI: 10.1016/S1251-8050(01)01661-5
Claire Sagne
{"title":"Halitherium taulannense, nouveau sirénien (Sirenia, Mammalia) de l'Éocène supérieur provenant du domaine Nord-Téthysien (Alpes-de-Haute-Provence, France)","authors":"Claire Sagne","doi":"10.1016/S1251-8050(01)01661-5","DOIUrl":"10.1016/S1251-8050(01)01661-5","url":null,"abstract":"<div><p><em>Halitherium taulannense</em> nov. sp., a new Upper Eocene dugongid, is described on the basis of a well-preserved cranium and mandible that belong to different specimens. It represents the earliest species of an Oligocene and essentially European genus. It comes from the ‘Alpes-de-Haute-Provence’, in southeastern France. It provides much information about the cranial morphology of an Eocene dugongid and diversification of the first sirenians during Eocene time.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 8","pages":"Pages 471-476"},"PeriodicalIF":0.0,"publicationDate":"2001-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01661-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78016299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
GPR investigations on active faults in urban areas: the Georisc-NZ project in Wellington, New Zealand 城市地区活动断层的探地雷达调查:新西兰惠灵顿的格鲁吉亚-新西兰项目
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-31 DOI: 10.1016/S1251-8050(01)01663-9
Jean-Christophe Audru , Maksim Bano , John Begg , Kelvin Berryman , Stuart Henrys , Bertrand Nivière
{"title":"GPR investigations on active faults in urban areas: the Georisc-NZ project in Wellington, New Zealand","authors":"Jean-Christophe Audru ,&nbsp;Maksim Bano ,&nbsp;John Begg ,&nbsp;Kelvin Berryman ,&nbsp;Stuart Henrys ,&nbsp;Bertrand Nivière","doi":"10.1016/S1251-8050(01)01663-9","DOIUrl":"10.1016/S1251-8050(01)01663-9","url":null,"abstract":"<div><p>This paper presents preliminary results for three GPR profiles acquired across the Wellington active strike-slip fault within the Wellington urban area. In this sector, it is suggested that the subsurface geometry (8–10 m) of the fault comprises two main deforming strands that bound narrow transpressive and transtensive sections. The location of fault planes interpreted from radargrams closely corresponds with the inferred location of the main fault at the ground surface. Despite noise due to the urban settings, GPR proved to be a technique capable of locating fault strands, thus potentially providing useful data in targeting areas for palaeoseismic studies, such as trenching.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 8","pages":"Pages 447-454"},"PeriodicalIF":0.0,"publicationDate":"2001-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01663-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91318203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Oldest world Chelidae (Chelonii, Pleurodira), from the Cretaceous of Patagonia, Argentina 来自阿根廷巴塔哥尼亚白垩纪的最古老世界龟科(龟科，长尾龙目)
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-31 DOI: 10.1016/S1251-8050(01)01662-7
France de Lapparent de Broin , Marcelo S de la Fuente
{"title":"Oldest world Chelidae (Chelonii, Pleurodira), from the Cretaceous of Patagonia, Argentina","authors":"France de Lapparent de Broin ,&nbsp;Marcelo S de la Fuente","doi":"10.1016/S1251-8050(01)01662-7","DOIUrl":"10.1016/S1251-8050(01)01662-7","url":null,"abstract":"<div><p>Four new taxa are described. Three of them are attributed to the extant <em>Phrynops</em> group: a primitive member, unidentified within the group or related to the large extant <em>Phrynops</em> forms; a primitive member of the <em>Acanthochelys</em> subgroup, small extant members of the group; a more evolved member, although still primitive, of the large extant <em>Phrynops</em>. The fourth is either a representative of an extinct group or a form related to the extant <em>Chelus</em> group. The presence of the second taxon in older Patagonian localities, as early as Lower Albian, indicates that the diversification of the extant groups was achieved as early as the Lower Cretaceous.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 8","pages":"Pages 463-470"},"PeriodicalIF":0.0,"publicationDate":"2001-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01662-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85463258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 59
La diversité des basaltes de Patagonie à la latitude du point triple du Chili (46°–47° lat. S) : données complémentaires et implications sur les conditions de la subduction 巴塔哥尼亚玄武岩在智利三相点纬度(46°- 47°lat)的多样性。S):关于俯冲条件的补充数据和启示
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(01)01641-X
Alexandre Corgne , René C Maury , Yves Lagabrielle , Jacques Bourgois , Manuel Suarez , Joseph Cotten , Hervé Bellon
{"title":"La diversité des basaltes de Patagonie à la latitude du point triple du Chili (46°–47° lat. S) : données complémentaires et implications sur les conditions de la subduction","authors":"Alexandre Corgne ,&nbsp;René C Maury ,&nbsp;Yves Lagabrielle ,&nbsp;Jacques Bourgois ,&nbsp;Manuel Suarez ,&nbsp;Joseph Cotten ,&nbsp;Hervé Bellon","doi":"10.1016/S1251-8050(01)01641-X","DOIUrl":"10.1016/S1251-8050(01)01641-X","url":null,"abstract":"<div><p>The basalts exposed around the Lago General Carrera–Buenos Aires display a wide range of chemical compositions. These include: Cretaceous calc-alkaline magmas typical of the Andean arc, Eocene to Quaternary intraplate alkali magmas and Quaternary magmas, the geochemical signature of which shows similarities with those of Chile ridge MORB. Such diversity is related to the evolution of the subduction processes below Patagonia, starting with a ‘normal’ subduction regime, followed by collision–subduction of the active Farallon–Aluk and Chile ridges together with the development of ‘asthenospheric windows’ during the Eocene and since the Upper Miocene respectively.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 363-371"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01641-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84157014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Ca2+, PO43−⇌Ln3+, SiO44− coupled substitution in the apatitic structure: stability of the mono-silicated fluor-britholite 钙+，PO43−+ Ln3+， SiO44−在磷灰石结构中的偶联取代:单硅化氟橄榄石的稳定性
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(01)01656-1
Joëlle Carpéna , Laurent Boyer , Michel Fialin , Jean-Robert Kiénast , Jean-Louis Lacout
{"title":"Ca2+, PO43−⇌Ln3+, SiO44− coupled substitution in the apatitic structure: stability of the mono-silicated fluor-britholite","authors":"Joëlle Carpéna ,&nbsp;Laurent Boyer ,&nbsp;Michel Fialin ,&nbsp;Jean-Robert Kiénast ,&nbsp;Jean-Louis Lacout","doi":"10.1016/S1251-8050(01)01656-1","DOIUrl":"10.1016/S1251-8050(01)01656-1","url":null,"abstract":"<div><p>Synthetic crystals of mono-silicated fluor–britholite doped with rare earth elements have been prepared. The stoichiometry of the compound has been determined by means of microprobe analyses. Single crystal Laue diffraction and luminescence measurements reveal the covalent character of the rare-earth channel anion bond, thus explaining the stability of such compounds in the natural environment.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 373-379"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01656-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82073465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Le cône sous-marin du Nil et son réseau de chenaux profonds : nouveaux résultats (campagne Fanil) 尼罗河水下锥及其深河道网:新成果(Fanil运动)
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(01)01645-7
Gilbert Bellaiche , Lies Loncke , Virginie Gaullier , Jean Mascle , Thierry Courp , Alain Moreau , Silviu Radan , Olivier Sardou
{"title":"Le cône sous-marin du Nil et son réseau de chenaux profonds : nouveaux résultats (campagne Fanil)","authors":"Gilbert Bellaiche ,&nbsp;Lies Loncke ,&nbsp;Virginie Gaullier ,&nbsp;Jean Mascle ,&nbsp;Thierry Courp ,&nbsp;Alain Moreau ,&nbsp;Silviu Radan ,&nbsp;Olivier Sardou","doi":"10.1016/S1251-8050(01)01645-7","DOIUrl":"10.1016/S1251-8050(01)01645-7","url":null,"abstract":"<div><p>The meandrous leveed channels of the Nile Cone show clear evidence of avulsions. Their sedimentary architecture is founded on numerous stacked lens-shaped acoustic units. In the areas of the distal fan, lobe deposits are apparent from multichannel imagery. Huge debris flow deposits, sometimes associated with pockmarks, are recognized. Mud volcanoes and gas seeping are closely associated with faulting. In the East, a very long north-trending channel, originating from the Egyptian coast, merges with a network of channels, very probably originating from the Levantine coasts. Both networks outlet in the sedimentary basin located south of Cyprus.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 399-404"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01645-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73198384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Hurchillo (province d'Alicante, Espagne) : un gisement de poissons messiniens d'un type encore inconnu Hurchillo(西班牙阿利坎特省):一种未知类型的墨西尼亚鱼的矿床
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(01)01651-2
Jean Gaudant , Marie-Denise Courme , José Manuel Marı́n Ferrer
{"title":"Hurchillo (province d'Alicante, Espagne) : un gisement de poissons messiniens d'un type encore inconnu","authors":"Jean Gaudant ,&nbsp;Marie-Denise Courme ,&nbsp;José Manuel Marı́n Ferrer","doi":"10.1016/S1251-8050(01)01651-2","DOIUrl":"10.1016/S1251-8050(01)01651-2","url":null,"abstract":"<div><p>The discovery of a new fossiliferous locality yielding a type of marine fish-fauna that was up to now unknown, is reported from the pre-evaporitic Messinian of Hurchillo, near Orihuela (Alicante Province, Spain). In fact, with more than 60% of the studied material, <em>Sardina</em>? <em>crassa</em> (Sauvage) is predominant. This species is surprisingly associated with Myctophids, which make up almost 13% of the fish fauna. Such a community indicates that the fossiliferous locality was generated in a shallow, sublittoral environment, which was nevertheless connected to the open sea from which the Myctophids were drifted by currents.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 411-417"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01651-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86665591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An early pterodactyloid pterosaur from the Oxfordian of Normandy (northwestern France) 一种早期翼手类翼龙，产自诺曼底牛津区(法国西北部)
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(00)71401-7
Eric Buffetaut , Jean-Pierre Guibert
{"title":"An early pterodactyloid pterosaur from the Oxfordian of Normandy (northwestern France)","authors":"Eric Buffetaut ,&nbsp;Jean-Pierre Guibert","doi":"10.1016/S1251-8050(00)71401-7","DOIUrl":"10.1016/S1251-8050(00)71401-7","url":null,"abstract":"<div><p>A long and slender wing metacarpal from the Late Oxfordian Sables de Glos of Cordebugle (Calvados, Normandy) clearly belongs to a pterodactyloid pterosaur, with an estimated wingspan of at least 2.30 m. This is currently one of the earliest records of a representative of the Pterodactyloidea.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 405-409"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(00)71401-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76307723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Variabilité spatio-temporelle des flux de matières en suspension d'un fleuve côtier méditerranéen : la Têt (France) 地中海沿岸河流悬浮物质流动的时空变异性:la tete(法国)
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(01)01652-4
Pierre Serrat , Wolfgang Ludwig , Bénédicte Navarro , Jean-Louis Blazi
{"title":"Variabilité spatio-temporelle des flux de matières en suspension d'un fleuve côtier méditerranéen : la Têt (France)","authors":"Pierre Serrat ,&nbsp;Wolfgang Ludwig ,&nbsp;Bénédicte Navarro ,&nbsp;Jean-Louis Blazi","doi":"10.1016/S1251-8050(01)01652-4","DOIUrl":"10.1016/S1251-8050(01)01652-4","url":null,"abstract":"<div><p>The purpose of this study is to investigate the fluxes of total suspended solids (TSS) in the Têt River system (1<!--> <!-->380 km<sup>2</sup>). On the basis of a great number of measurements, we estimate the mean annual sediment flux at the mouth to be about 53<!--> <!-->546 t·yr<sup>−1</sup> (nearly 40 t·km<sup>−2</sup>·yr<sup>−1</sup>) for the period 1980–1999 (average annual water discharge 10.4 m<sup>3</sup>·s<sup>−1</sup>). Almost all suspended sediment loads are transported during brief flash floods that mainly occur during autumnal heavy downpours. The scarceness of these events leads to a very large inter-annual variability of the river sediment fluxes (from 1 to more than 100). Despite the damming of the river in the central part of its drainage basin, the observed sediment fluxes are more important downstream the dam than upstream. This can be explained by low sediment retention behind the dam, by greater erosion rates in the downstream part of the basin, filled with crumbly Plio-Quaternary formations, and by heavy storms located in the fore land.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 389-397"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01652-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78530585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 82
Découverte et signification d'une paragenèse à ilménite zincifère dans les métapélites des Jebilet centrales (Maroc) Jebilet中部(摩洛哥)变质岩中锌钛铁矿伴生的发现和意义
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science Pub Date : 2001-10-15 DOI: 10.1016/S1251-8050(01)01655-X
Abderrahim Essaifi , Michel Ballèvre , Christian Marignac , Ramon Capdevila
{"title":"Découverte et signification d'une paragenèse à ilménite zincifère dans les métapélites des Jebilet centrales (Maroc)","authors":"Abderrahim Essaifi ,&nbsp;Michel Ballèvre ,&nbsp;Christian Marignac ,&nbsp;Ramon Capdevila","doi":"10.1016/S1251-8050(01)01655-X","DOIUrl":"10.1016/S1251-8050(01)01655-X","url":null,"abstract":"<div><p>A zincian ilmenite paragenesis is found in metapelites from a contact metamorphic zone (central Jebilet, Morocco) induced by the emplacement of microgranitic intrusions. The zincian ilmenite is mainly preserved in syntectonic andalusite porphyroblasts. The growth of zincian ilmenite is related either to sphalerite breakdown during prograde metamorphism, or to the pervasive flow of a mineralizing fluid within the metapelites. The chlorine-rich fluid carried zinc and other metals leached in the microgranites, during its flow to discharge zones which were probably the Jebilet sulfide deposits.</p></div>","PeriodicalId":100301,"journal":{"name":"Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science","volume":"333 7","pages":"Pages 381-388"},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1251-8050(01)01655-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78561605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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