Feixianguan Formation

Geology

Members: unnamed (140), 3 (1)

Lithologies: not reported (15), "siliciclastic" (3), claystone (7), mudstone (28), "shale" (7), siltstone (16), sandstone (2), "mixed carbonate-siliciclastic" (1), marl (20), lime mudstone (10), "limestone" (48), dolomite (1)

Paleoenvironments: marine indet. (41), carbonate indet. (32), shallow subtidal indet. (7), open shallow subtidal (1), offshore ramp (8), marginal marine indet. (8), coastal indet. (16), lagoonal (12), offshore (5), basinal (siliciclastic) (8), deep-water indet. (2)

Age range: base of the Changhsingian to the top of the Griesbachian or 254.17000 to 250.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Changhsingian254.17 - 252.17China (Sichuan) (60472 73838 117504)
Changhsingian254.17 - 252.17China (Chongqing) (94989)
Changhsingian - Griesbachian254.17 - 250.5China (Sichuan) (48944 111618 205974 205975 205976 205977 205978 205979 205980 205981)
Changhsingian - Griesbachian254.17 - 250.5China (Guizhou) (205992 205993)
Induan252.17 - 251.2China (Guizhou) (105109 105110)
Induan252.17 - 251.2China (Yunnan) (98540 98545 123724)
Induan252.17 - 251.2China (Sichuan) (47904 123650 123723)
Induan252.17 - 251.2China (Chongqing) (123717)
Griesbachian - Dienerian251.902 - 251.2China (Sichuan) (229991)
Griesbachian251.902 - 250.5China (Sichuan) (48945 48946 48947 48948 48949 48950 73839 89357 89358 89359 89360 89361 89362 89363 89364 89365 94950 95606 95607 95608 95609 95610 98558 98559 105103 105114 111619 111620 111621 111622 111626 111628 111630 117505 117506 117507 117508 117509 126966 148478 148479 148480 148499 148519 148520 149076 149077 149083 205982 205983 205984 205985 227012)
Griesbachian251.902 - 250.5China (Shaanxi) (148515)
Griesbachian251.902 - 250.5China (Guizhou) (112008 105098 108179 108180 111975 111976 111977 111978 111985 112109 112110 112111 112112 119945 121324 126969 126971 137818 137822 157352 205994 205995 205996 205997 205998 205999)
Griesbachian251.902 - 250.5China (Guangxi) (117512 117513 117514)
Griesbachian251.902 - 250.5China (Hubei) (126964)
Griesbachian251.902 - 250.5China (Chongqing) (105123 117515 117516 117517 120631 120632 149125 149126 149127 149128 149129 149130 149131 149132 149133 149134 149135 149136 149274 156865 156866 156886)
Dienerian250.5 - 251.2China (Sichuan) (105112 120634 126974)
Dienerian250.5 - 251.2China (Guizhou) (108159 126975 137826)
Dienerian250.5 - 251.2China (Chongqing) (105099 105104)
Dienerian250.5 - 251.2China (Yunnan) (105113)