Ostracods of western Canada

Braun, Willi K.; Brooke, M. M.

doi:10.1017/cbo9780511529375.017

Cited by 2 publications

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“…The following taxonomic groups of microfossils are of biochronostratigraphic relevance also (Fig. 15): foraminifera (Bassoullet, 1997;Ruget and Nicollin, 1997;Gräfe, 2005;Cai et al, 2006;Saltykov, 2007;Wernli and Görög, 2007), ostracods (Braun and Brooke, 1992;Bodergat, 1997;Tesakova et al, 2009), dinoflagellate cysts (Riding and Thomas, 1992;Fauconnier, 1997;Poulsen and Riding, 2003), radiolarians and calcareous nannofossils Alméras et al, 2007 andCombémorel, 1997). Bodergat, 1997), foraminifera (from Ruget and Nicollin, 1997) and dinflagellate cysts (from Riding and Thomas, 1992;Fauconnier, 1997 (Pessagno andMizutani, 1992, Baumgartner et al, 1995;Cordey et al, 2005;Chiari et al, 2007;O'Dogherty et al, 2009).…”

Section: Other Taxonomic Groupsmentioning

confidence: 99%

The Global Boundary Stratotype Section and Point (GSSP) for base of the Bathonian Stage (Middle Jurassic), Ravin du Bès Section, SE France

Fernández-López¹,

Pavia²,

Erba³

et al. 2009

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Section: Other Taxonomic Groupsmentioning

confidence: 99%

The Global Boundary Stratotype Section and Point (GSSP) for base of the Bathonian Stage (Middle Jurassic), Ravin du Bès Section, SE France

Fernández-López¹,

Pavia²,

Erba³

et al. 2009

Episodes

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Formal proposal for the Bathonian GSSP (Middle Jurassic) in the Ravin du Bès Section (Bas-Auran, SE France)

Fernández-López

Pavia²,

Erba

et al. 2009

Swiss J. Geosci.

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The Bathonian Global Stratotype Section and Point (GSSP) is proposed at the base of limestone bed RB071 (bed 23 in Sturani 1967) in the Ravin du Bes Section (43057' 38" N, 6° IS' 55" E), Bas-Auran area, "Alpes de Haute Provence" French department. The Ravin du BesSectioll , as formal candidate GSSP for the base of the Bathonian Stage, satisfies most of the requirements recommended by the International Commission on Stratigraphy: 1) The ex posure extends over 13 m in thickness. At the Bajocian-Bathonian transition, no vertical (bio-, ichno-or tap ho-) facies changes, condensation, stratigraphic gaps or hiatuses have been recorded. Structural complexity, synsedimentary and tectonic disturbances, or important alterations by metamorphism are not relevant constraints. 2) There is a well-preserved, abundant and diverse fos sil record across the boundary interval, with key markers (ammonites and IntroductionThe present paper corresponds to part of the scientifIc dossier recently prepared by several specialists and sent to all mem bers of the Bathonian Working Group (International Subcom mission on Jurassic Stratigraphy, November 2007), in order to achieve the formal ballot on the selection and proposal of the Global Stratotype Section and Point (hereafter GSSP The Bathonian Working Group (BtWG) was established in 1984, during the 1st International Symposium on Jurassic Stratigraphy in Erlangen, in order to improve the geologic data relative to the Bajocian/Bathonian boundary. The Bas-Auran section was first proposed as stratotype in a presentation to the Luxembourg II (1967) Colloquium by Torren� but not pub lished until 1974lished until (Morton 1974Torrens 1974a Torrens , b, 1987 Torrens , 2002 fig. 8; pI. 19, fIgS. 1-2) are the index species, respectively, of the Bathonian basal zone and subzone. The Zigzag Zone was distinguished from the underlying Parkinsoni Zone by Oppel (1857Oppel ( . p. 579. 1862. and later assigned to the "Bath-Gruppe·· (Oppel 1865. p. 309) in a discussion of the section at "Mon tagne de Crussol" in the Ardeche (France). The Convergens Subzone was mentioned by Maubeuge (1950, p. 4), based on the "Convergens horizon" that was used in letters by Arkell (1951-59. p.10; 1956. p. 62). The Bajocian/Bathonian bound ary established between the Parkinsoni and Zigzag zones was recommended at the two congresses denominated "Colloque du Jurassique" held in Luxembourg in 1962(Rioult 1964 Tor rens 1965) and 1967(Torrens 1974a. The localities of Bath (England) and the "Montagne de Crussol" (France), however, have been considered quite unsuitable for a typological defini tion of the Bathonian Stage, because they are condensed sec tions with discontinuous and lenticular beds (Torrens 1974a(Torrens , b, 2002Page 1996b). After the publication of Sturani (1967) (Sturani 1967). The Parvum Sub zone has been proposed by Mangold (1990) to denote the first Bathonian subzone of the Zigzag Zone in the Sub-Mediter ranean Province, equivalent to the Convergens Sub zone of the Northwest European Province...

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Ostracods of western Canada

Cited by 2 publications

References 0 publications

The Global Boundary Stratotype Section and Point (GSSP) for base of the Bathonian Stage (Middle Jurassic), Ravin du Bès Section, SE France

The Global Boundary Stratotype Section and Point (GSSP) for base of the Bathonian Stage (Middle Jurassic), Ravin du Bès Section, SE France

Formal proposal for the Bathonian GSSP (Middle Jurassic) in the Ravin du Bès Section (Bas-Auran, SE France)

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