Beacon Group

Geology

Formations: unnamed (5), Buckley (1), Fremouw (10), Takrouna (1)

Lithologies: not reported (2), claystone (1), mudstone (4), siltstone (1), sandstone (3), wackestone (1), chert (1), peat (1)

Paleoenvironments: terrestrial indet. (4), fluvial indet. (4), "channel" (1), "floodplain" (2)

Age range: base of the Artinskian to the top of the Early/Lower Triassic or 290.10000 to 247.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Sakmarian - Artinskian293.52 - 279.3Antarctica (29351 29356)
Artinskian290.1 - 279.3Antarctica (29354 29355 29357 29367)
Guadalupian273.01 - 259.51Antarctica (29352)
Capitanian - Changhsingian264.28 - 252.17Antarctica (Queen Alexandra) (21171)
Early/Lower Triassic252.17 - 247.2Antarctica (27265 27266 87410 87414 87420 99431 105602 136395 220333 227009)