Re: paleonet TRIASSIC JURASSIC BOUNDARY

[Hans Kerp <kerp@xxxxxxxxxxxxxxx>]

Could you please give me the page numbers, so that it can be included in the
Albertiana bibliography?

Best regards,

Hans Kerp

Jean Guex schrieb:

> THOSE INTERESTED BY THE FOLLOWING PAPER (Bull.Geol.Lausanne 355, 2002)
> CAN SEND AN E-MAIL TO:    Jean.Guex@igp.unil.ch
>
> Discovery of Neophyllites (Ammonitina, Cephalopoda, Early Hettangian) in
> the New York Canyon sections (Gabbs Valley Range, Nevada) and discussion of
> the delta13C negative anomalies located around the Triassic-Jurassic boundary.
> By Jean Guex , Annachiara Bartolini & David Taylor
>
> Abstract.-
> Several morphotypes of Neophyllites from the Odoghertyceras/Choristoceras
> minutus beds of the New York Canyon (Gabbs Valley Range, Nevada) are
> described for the first time. The presence of these forms in North America
> allows a much better correlation of this stratigraphic interval with the
> coeval beds in North-West Europe.
> In addition, we discuss the age of the negative  delta 13 C anomalies
> located around the Triassic-Jurassic boundary in England, Hungary and
> Canada. We demonstrate that the first two are located in Rhaetian sediments
> and the latter is located above the Triassic-Jurassic boundary.
>
> Prof Jean GUEX
> Institut de Geologie
> BFSH 2    1015 LAUSANNE
> Tel. 41.21.692 43 46
> Fax  41.21.692 43 05
> e-mail: jean.guex@igp.unil.ch