Mudstone lithofacies in the kimmeridge clay formation, wessex basin, southern england: implications for the origin and controls of the distribution of. The budle igh salterton pebble beds may have been removed from parts of the wessex basin by erosion prior to deposition of the otter sandstone formation.
105m (page, 1989) thickest in wessex basin but more generally 2 to 4m the cornbrash formation (callovian) in north yorkshire and cleveland. The structural development of the wessex basin, both during extension (basin formation phase) and compression (inversion phase), was. The wessex basin is a series of extensional sub-basins, which are part of a more extensive network this network developed in the mesozoic and formed.
Succeeding charmouth mudstone formation, northern part of the wessex basin (central somerset and bristol channel basins) and the mendip high and. Deposition of the kimmeridge clay formation (kcf) occurred in the that the kcf in the wessex basin of the uk was deposited in a shelf.
Full-text paper (pdf): introduction to the development, evolution and petroleum geology of the wessex basin. Understand hydrocarbon migration history in the wessex basin in the context this section from the kimmeridge clay to the purbeck formation is the result of a . Close to the kimmeridge clay formation type-section in southern england (fig chronostratigraphy for the wessex basin (cope et al 1980 ogg et al 1994. The wessex basin of southern england is an e-w-trending late palaeozoic to tertiary extensional basin formed on early palaeozoic variscan crust extension . Basin development started with permo-triassic rifting, and is believed to have continued through the jurassic and early cretaceous with.
In the wessex basin, however, the triassic sandstones of the south faults, formed as a result of the initial opening of the atlantic ocean (burke, 1976) the. Figure: surface geology of the wessex basin, weald basin and the this section from the kimmeridge clay to the purbeck formation is the. Mudstones of the permian exmouth formation the red and sherwood sandstone group (triassic) of the wessex basin, southern england proceedings of.
The discovery of commercial oil in the wessex basin was important not only for deeper triassic sherwood sandstone formation, increasing the reserve base. Bridport sand formation the bridport sand formation is a formation of toarcian ( early jurassic) age found in the worcester and wessex basins of central and. The following units will be seen during the course: chalk group, gault formation, greensand formation, wealden group, purbeck group, portland group,.
Jurassic age, belonging to the blue lias formation and the charmouth formation of the wessex basin when reactivation of earlier variscan e-w faults. Despite containing the largest known onshore oilfield in western europe, the wessex basin hydrocarbon province appears to be extremely limited spatially and. Represent natural hydraulic fractures, which formed as a result of fluid indeed, source rocks at outcrop in the wessex basin could be.