Burgess Shale Formation

Geology

Group: Chancellor

Members: unnamed (7), Campsite Cliff Shale (5), Emerald Lake Oncolite (1), Kicking Horse Shale (6), Landslip Block (1), Phyllopod Bed (1), Raymond Quarry Shale (2), Walcott Quarry (26), Walcott Quarry Shale (1), Yoho River Limestone (1)

Lithologies: mudstone (29), "shale" (17), siltstone (28), "limestone" (4)

Paleoenvironments: marine indet. (1), deep subtidal indet. (1), basinal (carbonate) (7), offshore (1), deep-water indet. (41)

Age range: base of the Wuliuan to the top of the Drumian or 506.50000 to 500.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Delamaran509.7 - 505.3Canada (British Columbia) (84412 84413 84414 84415 84416 84417 84418 84419 84420 84421 84422 84423 84424 84425 84426 84427 84428 84429 84430 84431 84432 84433 84434 84435 84436 84437 121953 121954 121955 121956 121957 121958 121959 121960 121961 121962 121963 121964 121965 121966)
Amgan508.2 - 504.5Canada (Alberta) (152646)
Wuliuan506.5 - 504.5Canada (British Columbia) (235732)
Middle Cambrian506.5 - 497.0Canada (Brithish Columbia) (188659 188660 188661 188662 188663 188664)
St Davids506.5 - 497.0Canada (British Columbia) (122094)
St Davids - Merioneth506.5 - 486.85Canada (British Columbia) (6854)
Drumian504.5 - 500.5Canada (British Columbia) (236015)