Snowshoe Formation

Geology

Members: unnamed (21), ?Weberg (1), South Fork (2), Warm Springs (7), Weberg (6)

Lithologies: not reported (1), "siliciclastic" (1), mudstone (25), sandstone (5), lime mudstone (8), "limestone" (16)

Paleoenvironments: marine indet. (21), carbonate indet. (4), basinal (carbonate) (9), marginal marine indet. (1), deep-water indet. (2)

Age range: base of the Early/Lower Toarcian to the top of the Late/Upper Bathonian or 184.20000 to 165.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian184.2 - 182.9USA (Oregon) (124333 124334 124335)
Middle Toarcian182.9 - 180.4USA (Oregon) (124336 124337)
Aalenian174.7 - 170.9USA (Oregon) (127221 127222 202419)
Late/Upper Aalenian - Early/Lower Bajocian174.7 - 168.6USA (Oregon) (166624)
Late/Upper Aalenian - Bajocian174.7 - 168.2USA (Oregon) (136991)
Early/Lower Bajocian170.9 - 168.6USA (Oregon) (32730 127223 127224 127225 127226 127227 202846)
Bajocian170.9 - 168.2USA (Oregon) (32733 32741 32743 32744 32745 32746 202418 234036)
Discites170.9 - 168.2USA (Oregon) (180721)
Late/Upper Bajocian168.6 - 168.2USA (Oregon) (32747 106403 127228 127230 127249 127250 127252)
Early/Lower Bathonian168.2 - 165.3USA (Oregon) (94149)
Late/Upper Bathonian168.2 - 165.3USA (Oregon) (127253 127255 127256)