Jeanne d'Arc Basin

Jeanne d'Arc Basin
Vein of coarsely crystalline halite in fractured dolomite interbed cored in the Upper Triassic to lowermost Jurassic Argo Formation at the Cormorant N-83 well drilled at the south end of the Jeanne d'Arc Basin.
Pebble to cobble conglomerate bed of the Upper Jurassic (Tithonian) Jeanne d'Arc Formation cored at the Hibernia O-35 well drilled in the Hibernia oilfield.
Thin coal seam with underclay pervasively churned by roots as cored from the Lower Cretaceous (Berriasian to lower Valanginian) Hibernia Formation at the Hibernia K-14 well in the Hibernia oilfield.
Sharp-based, laminated sandstone storm bed above pervasively bioturbated fair weather lower shoreface bed cored in the Lower Cretaceous (upper Aptian to lower Albian) Ben Nevis Formation at the West Ben Nevis B-75 discovery well.

The Jeanne d'Arc Basin is an offshore sedimentary basin located about 340 kilometres (~210 miles) to the basin centre, east-southeast of St. John's, Newfoundland and Labrador. This basin formed in response to the large scale plate tectonic forces that ripped apart the super-continent Pangea and also led to sea-floor spreading in the North Atlantic Ocean. This basin is one of a series of rift basins that are located on the broad, shallow promontory of continental crust known as the Grand Banks of Newfoundland off Canada's east coast. The basin was named after a purported 20 metres (11 fathom) shoal labelled as "Ste. Jeanne d'Arc" on out-dated bathymetric charts [1] and which was once thought to represent a local exposure of basement rocks similar to the Virgin Rocks.[2]

  1. ^ Amoco & Imperial 1973.
  2. ^ Howie 1970.