Sage Member

Geology

Formation: Snowy Range

Lithologies: not reported (2), "siliciclastic" (1), claystone (2), mudstone (1), "shale" (10), sandstone (3), conglomerate (5), marl (1), packstone (3), grainstone (1), "limestone" (10)

Paleoenvironments: marine indet. (19), terrestrial indet. (2), carbonate indet. (4), shallow subtidal indet. (7), sand shoal (1), reef, buildup or bioherm (1), offshore ramp (1), marginal marine indet. (1), deltaic indet. (1), offshore (2)

Age range: base of the Trempealeauan to the top of the Early/Lower Pleistocene or 492.50000 to 0.78100 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Franconian497.0 - 485.4USA (Montana) (242 247 249)
Franconian497.0 - 485.4USA (Wyoming) (9514 9928)
Trempealeauan492.5 - 485.4USA (Montana) (9920)
Trempealeauan492.5 - 485.4USA (Wyoming) (9921)
Early/Lower Givetian388.1 - 383.7Brazil (Piaui) (214597)
Givetian387.7 - 382.7USA (Iowa) (54384)
Early/Lower Frasnian383.7 - 382.4Canada (Manitoba) (3638)
Late/Upper Givetian380.2 - 382.7USA (Iowa) (35485)
Osagean352.0 - 343.0USA (Iowa) (133094)
Visean346.7 - 330.9United Kingdom (Scotland) (92534)
Chokierian - Bashkirian323.7 - 315.2United Kingdom (Scotland) (93321)
Moscovian315.2 - 307.0Svalbard and Jan Mayen (212496 215957)
Desmoinesian312.8 - 306.0USA (Oklahoma) (78 79 92474 224950)
Desmoinesian312.8 - 306.0USA (Illinois) (73)
Desmoinesian312.8 - 306.0USA (Kansas) (75 76 77)
Desmoinesian312.8 - 306.0USA (Missouri) (74)
Middle Jurassic174.7 - 161.5United Kingdom (Gloucestershire) (204063 204064 204065 204066 204067)
Oxfordian163.5 - 157.3United Kingdom (England) (2108 2106 2105 2104)
Early/Lower Oxfordian161.2 - 155.7United Kingdom (England) (4093 4092)
Middle Cenomanian - Late/Upper Cenomanian99.6 - 93.5USA (Idaho) (121612)
Orellan33.9 - 33.3USA (Montana) (17090)
Early/Lower Pleistocene2.588 - 0.781Japan (Chiba) (76019)