International Field Workshop on 'The Triassic of eastern France'

Contents
LIST OF PARTICIPANTS ..........................................................................................................................................5
EXCURSIONS ...............................................................................................................................................................6
TUESDAY, 03.10 2006.................................................................................................................................................6
WEDNESDAY, 04.10 2006 ...........................................................................................................................................6
THURSDAY, 05.10.2006 ..............................................................................................................................................6
FRIDAY, 06.10.2006 ....................................................................................................................................................6
ITINERARY AND OUTCROP LOCATIONS .........................................................................................................7
THE TRIASSIC OF EASTERN FRANCE................................................................................................................9
I. - INTRODUCTION ......................................................................................................................................................9
II. - THE BUNTSANDSTEIN.........................................................................................................................................11
II.2. - Geological setting ......................................................................................................................................11
II.2. – High-resolution sequence stratigraphy correlation of the Lower Triassic from well-log analysis .......14
II.3. – Comparison with other parts of the German Basin .................................................................................19
II.4. – Conclusion and perspectives.....................................................................................................................21
III. THE MUSCHELKALK............................................................................................................................................24
III.1. -Geological setting......................................................................................................................................24
III.2. - High resolution sequence stratigraphy from well-log analysis ..............................................................24
IV. THE KEUPER........................................................................................................................................................27
IV.1. - Geological setting .....................................................................................................................................27
IV.2. - High resolution sequence stratigraphy from well-log analysis ..............................................................28
IV.3. -Comparison with the German Basin .........................................................................................................36
DAY 1 — TUESDAY, 03.10 2006 .........................................................................................................................39
STOP 1.1 - HAUT-BARR MIDDLE BUNTSANDSTEIN (‘GRÈS VOSGIEN’ AND ‘CONGLOMÉRAT PRINCIPAL’ FMS)....39
Facies association: Braided rivers......................................................................................................................39
Landscape reconstruction for the early Triassic (Middle Buntsandstein).........................................................41
STOP 1.2 - NIDERVILLER (METZGER QUARRY): UPPER BUNTSANDSTEIN (‘GRÈS À VOLTZIA’ FM) ......................43
Landscape reconstruction for the Anisian (Upper Buntsandstein) ....................................................................44
STOP 1.3 - HÉMING (HOLCIM QUARRY): UPPER MUSCHELKALK (‘CALCAIRE À ENTROQUES’ AND ‘CALCAIRE À
CÉRATITES’ FMS. .........................................................................................................................................45
Facies association and paleogeography .............................................................................................................45
STOP 1.4 - RAON-L'ETAPE (CÔTE DE BEAUREGARD): MIDDLE BUNTSANDSTEIN (‘CONGLOMÉRAT INFÉRIEUR’
FM AND ‘GRÈS VOSGIEN’ FM, WITH AEOLIAN FACIES)...............................................................................46
Facies association: braided rivers and aeolian dunes .......................................................................................47
Landscape reconstruction for the early Triassic (Middle Buntsandstein): See Stop 1.1 for the landscape
reconstruction and Fig. 3............................................................................................................................48
STOP 1.5 - HOUSSERAS (‘POTERIE LORRAINE’ QUARRY): MIDDLE MUSCHELKALK (‘COUCHES ROUGES’ FM). ...49
DAY 2 — WEDNESDAY, 04.10 2006 ..................................................................................................................50
STOP 2.1 - DOMPAIRE-RACÉCOURT (ROAD CUTTING): LOWER KEUPER = LETTENKOHLE.....................................50
STOP 2.2 - RELANGES (QUARRY ALONG D164 ROAD): MIDDLE BUNTSANDSTEIN (‘CONGLOMÉRAT PRINCIPAL’
AND ‘ZONE LIMITE VIOLETTE’ FMS) ...........................................................................................................52
STOP 2.3 - SURIAUVILLE (ROAD CUTTING): LOWER KEUPER (‘DOLOMIE DE VITTEL’ FM= ‘DOLOMIE
INFÉRIEURE’ OF THE LETTENKOHLE) ..........................................................................................................53
STOP 2.4 - CRAINVILLIERS (GULLIES IN FOREST): EO-CIMMERIAN UNCONFORMITY (‘ARGILES BARIOLÉES
DOLOMITIQUES’ FM / ‘GRÈS À ROSEAUX’ FM) ...........................................................................................54
STOP 2.5 - LA NEUVILLE-SOUS-CHATENOIS (OLD QUARRY): UPPER KEUPER (‘GRÈS RHÉTIENS’ FM)..................55
STOP 2.6 - POUSSAY (D55 ROAD CUTTING): UPPER KEUPER (‘ARGILES DE LEVALLOIS’ FM AND TRIASSIC-
JURASSIC BOUNDARY) .................................................................................................................................56
STOP 2.7 - FLORÉMONT (N57-E23 ROAD CUTTINGS): MIDDLE KEUPER (‘MARNES IRISÉES MOYENNES’ AND
‘MARNES IRISÉES SUPÉRIEURES’ FMS, WITH EO-CIMMERIAN UNCONFORMITY) ......................................57
STOP 2.8 - XIROCOURT (S.R.D.E. QUARRY): MIDDLE KEUPER (‘DOLOMIE DE BEAUMONT’ FM).........................58
STOP 2.9 - MANGONVILLE (OLD GYPSUM QUARRY): MIDDLE KEUPER (‘FORMATION SALIFÈRE’)........................59
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