- subcrenatum. The base of the
Langsettian (and the
Westphalian as a whole) has been
dated to
around 319.9 or 319.2 Ma. The
Langsettian corresponds to the Calymmotheca...
- from Bickershaw,
Lancashire UK (Upper Carboniferous,
Westphalian A (
Langsettian))".
Geological Journal. 32 (3): 197–210. doi:10.1002/(sici)1099-1034...
- and
Arenicolites from the
Steven C.
Minkin Paleozoic Footprint Site (
Langsettian, Alabama, USA).
Alabama Paleontological Society Monograph 1 : 121-141...
- (Duckmantian /
Westphalian B)
Scottish Lower Coal
Measures Formation (
Langsettian /
Westphalian A) The
Scottish coal
measures represent a lush coal swamp...
- from Bickershaw,
Lancashire UK (Upper Carboniferous,
Westphalian A (
Langsettian))".
Geological Journal. 32 (3): 197–210. doi:10.1002/(SICI)1099-1034...
- and
Arenicolites From the
Steven C.
Minkin Paleozoic Footprint Site (
Langsettian, Alabama, USA)" (PDF).
Alabama Paleontological Society Monograph. 1....
- Measures'. The
South Wales Coal
Measures Group spans a time from the
Langsettian to the
Bolsovian sub-age. "BGS
Lexicon of
Named Rock
Units -
Result Details"...
- chronostratigraphy, the
British sub-stage of the
Carboniferous period, the '
Langsettian'
derives its name from a
study of
geological exposures in the
banks of...
- and 10 km vertically), it
formed the Peñarroya
Basin during the late
Langsettian and
early Duckmantian part of Carboniferous. The
basin is
about 50 km...
- sandstones, from 333 M a.to 313 M a.
Above there are coal
measures present (
Langsettian from 312 M a.). This was
folded in the
Variscan orogeny into the Goyt...
