Salt Wash Member

Geology

Formation: Morrison

Lithologies: not reported (5), claystone (4), mudstone (15), "shale" (1), siltstone (2), sandstone (30), conglomerate (1)

Paleoenvironments: terrestrial indet. (20), fluvial indet. (3), alluvial fan (1), coarse channel fill (5), "channel" (5), wet floodplain (1), dry floodplain (1), "floodplain" (1), crevasse splay (1), levee (1), fluvial-lacustrine indet. (1), pond (1), lacustrine indet. (2)

Age range: base of the Late/Upper Kimmeridgian to the top of the Kimmeridgian or 155.70000 to 152.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Oxfordian - Kimmeridgian161.2 - 152.1USA (New Mexico) (84308)
Late/Upper Oxfordian - Kimmeridgian161.2 - 152.1USA (Utah) (156127)
Kimmeridgian157.3 - 152.1USA (Utah) (56321 61676 62207 156133 192732 192750 192788 192789 192790 193250 225925 231583)
Kimmeridgian157.3 - 152.1USA (Colorado) (11925 13277 48170 48171 48855 49621 52259 123526 156134 192756 192757 192777 192782)
Kimmeridgian157.3 - 152.1USA (Montana) (192717)
Kimmeridgian - Tithonian157.3 - 145.0USA (Arizona) (94678 94773 94774)
Kimmeridgian - Tithonian157.3 - 145.0USA (Colorado) (48158 48169 137733)
Kimmeridgian - Tithonian157.3 - 145.0USA (Utah) (194149)
Early/Lower Kimmeridgian155.7 - 150.8USA (Arizona) (192713)
Early/Lower Kimmeridgian155.7 - 150.8USA (Colorado) (48156)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Utah) (192731)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Colorado) (48155 48160 48172 53021 53022)