The first volume of three starts out by presenting a synoptic overview
of the whole Triassic period. The second part appraises the Early,
Middle and Late Triassic. The third part considers regional
characteristics and problems of Triassic rocks from Europe, North and
South Africa, Eastern Europe, Svalbard, Asia and North and South
America. The papers are regionally arranged and contain data and
results of broad interest, far exceeding the regional aspects.
Central Europe is the type region of the classic epicontinental
Triassic as defined by Alberti (1834), also referred to as the
Germanic Triassic. Almost 50% of all the papers are in this
section. The section South and Southeastern Europe, i.e. the
northwestern Peri-Tethys, contains overview papers from Spain and
Hungary, and draws attention to the important outcrops in Bulgaria and
their faunas. Several contributions in the Africa section point to the
important epicontinental deposits of the southwestern
Peri-Tethys. Papers in the section on Eastern Europe, Svalbard and
Asia cover a vast area, as exemplified by the sequence stratigraphic
comparison of Svalbard and East Siberia. Other papers address
paleontological and biostratigraphic aspects.
The Newark System of North America is described as a prime example of
astronomically induced cyclicity. The redbeds of the Southwest are
shown to be well suited for sequence stratigraphic interpretations and
investigations of vertebrates. Another paper ably describes the South
American connection to Gondwanaland, and corresponding shifts in
climate and habitat for flora and fauna.
The purpose of these Proceedings is to enable fellow researchers from
the information presented and, so that over the next decade or so,
various aspects seen but murkily at present can be worked on. It is
hoped that the variety of articles presented here will provide a
framework for further investigation of the Triassic.
Géochronique no. 75, 2000, p. 23
top ↑
Cet ouvrage, réparti en 3 volumes, rassemble les 52 contributions
retenues à la suite d'un symposium international tenu en 1998 à Halle
(Allemagne). Près des 2/3 de l'ouvrage, le volume 1 et une partie du
volume 2, traitent surtout des aspects stratigraphiques et
paléontologiques du faciès germanique d'Europe centrale,
essentiellement de l'Allemagne; le volume 2 est complété par des
travaux sur le Trias d'Espagne, de Hongrie et de Roumanie, ainsi que
sur l'Afrique du Nord. Le dernier volume regroupe des études
portant sur l'Afrique du Sud, l'Amérique du Nord, et sur des régions
peu connues comme la Sibérie, le Caucase, le Kazakhstan, les îles
de la mer de Barents et le Sud du Brésil.
De cet épais ouvrage on retiendra d'abord l'actualisation des
connaissances sur le Trias d'Allemagne. La longue histoire des études
de surface et les abondantes données de subsurface permettent
d'établir finement la géométrie et l'évolution tectono-sédimentaire
des bassins triasiques. L'emploi des méthodes de la i stratigraphique
séquentielle et les corrélations fournies notamment par les
palynofaciès, l'étude des Vertébrés et leurs traces aboutissent à une
chronologie plus précise et à la reconstitution de l'eustatisme et des
climats au cours du dépôts des faciès germaniques.
La synthèse à l'échelle de l'Afrique du Nord est également
bienvenue. De la synthèse sur le Trias continental de l'Afrique du Sud,
on attendra en pacurer le cadre géodynamique en compassion du Bassin
du Kamo. Le Trias marin de de l'Est de la Sibérie sera pour beaucoup une
découverte, de même pour celui du Kakzakhstan.
Cet ouvrage présente l'inconvénient majeur des actes de symposium: les
thèmes aboyas dépendent des participants. Ainsi, des secteurs
géogmphiques sont absents: aucun article sur l'Asie du Sud-Est
l'Australie, l'Antarctique,le même sur la France - il est vrai que le
Groupe Français du Dias s'est fait oublier. Rien non plus sur
l'activité magmatique pourtant imposante au Trias. En conclusion, un
ouvrage indispensable pour qui veut connaître l'état des lieux sur le
faciès germanique d'Allemagne et les successions triasiques tu de
quelque contrées lointaines.
J. Beauchamp
Géochronique no. 75, 2000, p. 23
Middle Triassic
GÖTZ, A.E. & FEIST-BURKHARDT, S.: Palynofacies and sequence analysis of
the Lower Muschelkalk (Middle Triassic, German basin) (with 1 plate
and 5 figures) 877
KNAUST, D.: Signatures of tectonically controlled sedimentation in Lower
Muschelkalk carbonates (Middle Triassic) of the Germanic Basin (with
11 figures and 1 appendix) 893
DIEDRICH, C.: Vertebrate track ichnofacies types of the Oolith member
(Lower Muschelkalk, Middle Triassic) in the central Teutoburger Wald
(NW Germany) and their stratigraphical, facial and palaeogeographical
significance (with 10 figures) 925
BRÜCKNER-RÖHLING, S.: Chemocyclicity in the Middle Muschelkalk of
Northern Germany (with 6 figures) 941
OCKERT, W. & REIN, S.: Stratigraphy of the Upper Muschelkalk and fossil
content of the atavus- and pulcher-zone (Upper Anisian) near Troisted
(Thuringia) (with 3 figures) 953
VECSEI, A., GOLDBECK, A., HEUNTSCH, C. & LUPPOLD, F.W.: Coastal bar
dynamics in the Upper Muschelkalk of the southwestern Germanic Basin
(with 9 figures and 1 table) 963
HAGDORN, H.: The Triassic - Crucial period of post-Paleozoic echinoderm
phylogeny and its treasure trove in the Germanic Muschelkalk (with 1
figure) 983
BUDUROV, K. & PETRUNOVA, L.: Muschelkalk conodonts as components of
the Peri-Tethyan fauna (with 1 figure) 989
Late Triassic
URLICHS, M. & TICHY, G.: Correlation of the Bleiglanzbank (Gipskeuper,
Grabfeld Formation) of Germany with Upper Ladinian beds of the
Dolomites (Italy) (with 3 figures) 997
South and Southeastern Europe
PÉREZ-LóPEZ, A.: Epicontinental Triassic of the Southern Iberian
Continental Margin (Betic Cordillera, Spain) (with 5 figures) 1009
LóPEZ-GóMEZ, J., ARCHE, A., CALVET, F. & GOY, A.: Epicontinental marine
carbonate sediments of the Middle and Upper Triassic in the western-
most part of the Tethys Sea, Iberian Peninsula (with 11 figures) 1033
TÖRÖK, Á.: Muschelkalk carbonates in southern Hungary: an overview and
comparison to German Muschelkalk (with 5 figures) 1085
BELIVANOVA, V.: Triassic in the Golo Bardo Mountain - one example for the
Balkanide facial type of Triassic in Bulgaria (with 9 figures) 1105
CHATALOV, A.G.: The Mogila Formation (Spathian - Anisian) in the
Western Balkanides of Bulgaria - ancient counterpart of an arid
peritidal complex (with 8 figures) 1123
BENATOV, S.: Macrofauna from Peri-Tethyan Middle Triassic in the
southern slopes of Western Stara Planina Mountain (Western Bulgaria)
(with 2 figures) 1137
Africa
North Africa
COUREL, L., SALEM, H.A., ISMAEL, H.B., EL MOSTAINE, M., FEKIRINE, B.,
KAMOUN, F., MAMI, L., OWIDI, M. & Souse, M.: An overview of the
epicontinental Triassic series of Maghreb (N-W Africa) (with 4
figures) 1145
MEDINA, F.: Structural styles of the Moroccan Triassic basins (with 8
figures) 1167
TOURANI, A., LUND, J.J., BENAOUISS, N. & GAUPP, R.: Stratigraphy of
Triassic syn-rift-deposition in Western Morocco (with 4 figures) 1193
ET-TOUHAMI, M.: Lithostratigraphy and depositional environments of
Lower Mesozoic evaporites and associated red beds, Khemisset Basin,
north-western Morocco (with 13 figures) 1217
OUIJDI, M.: Triassic marine onlap in the southwestern peritethyan
domain, example of Oujda Mountains (Eastern Morocco) (with 9 figures)
1243
RIEPPEL, O.: Middle Triassic marine vertebrates from the northern
Gondwanan shelf (with 5 figures) 1269