WebThe lexicon is a dynamic database where new entries are added and existing entries are revised, upgraded and reclassified. The information … WebThe Mercia Mudstone Group is now divided into five formations recognised and mappable across its entire outcrop and subcrop. The formations are a mix of mudstones, siltstones, sandstones and halites. Historically this sequence of rocks has been subdivided in different ways with different names in each of the basinal areas in which it is found.
BGS Linked Data - Marlstone Rock Formation
WebThe 'beef' sample from the Charmouth Mudstone Formation is almost totally composed of calcite with minor contaminants. In overall terms, the remaining samples are predominantly composed of quartz (6–52%, mean 30%), calcite (not detected, nd–81%, mean 18%), 'mica' (8–41%, mean 28%) and kaolinite (2–22%, mean 14%). WebThe Charmouth Mudstone Formation is a geological formation in England, dating to the Early Jurassic ( Sinemurian – Pliensbachian ). [1] It forms part of the lower Lias Group. sympathisch definition
Lias Group - Wikipedia
WebThe weathering of the mudstones is similar in character to that of the Whitby Mudstone and Charmouth Mudstone Formation as described by Spink and Norbury (1993). The limestone may remain strong and pale grey even when the mudstone is highly weathered resulting in an increased contrast in strength between the two rock types. WebMar 16, 2024 · The site location plan showing: ( a) the extent of a 18.2 km-long ground investigation in the Charmouth Mudstone Formation (the formation outcrop is shown as grey), between Southam and Banbury, UK; and ( b) the site, nearby towns and cities in relation to the Lias Group outcrop and main sedimentary basins (adapted from Cox et al. … WebThe Scunthorpe Mudstone is a geologic formation in England. It preserves plesiosaur fossils dating back to the Late Triassic ( Rhaetian) to Early Jurassic ( Hettangian) period. [1] It predominantly consists of grey mudstone with thin beds of argillaceous limestone and calcareous siltstone. [2] sympathikus was ist das