Brushy Basin Member

Geology

Formation: Morrison

Lithologies: not reported (27), "siliciclastic" (3), claystone (12), mudstone (42), "shale" (2), siltstone (9), sandstone (56), conglomerate (5), lime mudstone (1), "limestone" (4), ash (2)

Paleoenvironments: terrestrial indet. (48), delta plain (1), fluvial indet. (2), channel lag (2), coarse channel fill (7), "channel" (25), wet floodplain (7), dry floodplain (12), "floodplain" (4), crevasse splay (17), levee (1), fluvial-lacustrine indet. (3), lacustrine - small (2), pond (11)

Age range: base of the Late/Upper Kimmeridgian to the top of the Early/Lower Tithonian or 155.70000 to 145.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Kimmeridgian157.3 - 152.1USA (Colorado) (68024 35293 56590 154924)
Kimmeridgian157.3 - 152.1USA (New Mexico) (38871 225130)
Kimmeridgian157.3 - 152.1USA (Utah) (64053 137198 137199 192785 231534)
Kimmeridgian - Tithonian157.3 - 145.0USA (New Mexico) (38867 22717 36265 38872 51990 57910 119021 119022 119023 119024 119025 119026 119027 119090 192449 225131 225132 225172)
Kimmeridgian - Tithonian157.3 - 145.0USA (Colorado) (11611 11924 13341 24801 36576 39376 39377 39419 39421 48127 48128 48130 48146 48147 48148 48149 48150 48151 48152 48153 48157 48164 48165 49622 49623 49652 56586 56596 56599 56683 56684 66909 184626 184627 192447 192448 192450 192451 192452 192453 192455 192456 192457 192714)
Kimmeridgian - Tithonian157.3 - 145.0USA (Utah) (13275 24797 24799 24800 47196 49595 49614 49626 53035 55350 58514 58516 58551 96826 104715 131064 192428 220417 221973 229869 229984)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Utah) (192432)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0USA (Colorado) (28366 28382 39375 45975)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0USA (Colorado) (38883 70031 70032 192783 207744 231620 231621)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0USA (New Mexico) (68099 216963)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0USA (Utah) (192786 192787)
Tithonian152.1 - 145.0USA (Colorado) (22708 48124 48129 48161 48162 48163 48166 48168 53040 53041 55329 58811 154925 164830 177145 231619)
Tithonian152.1 - 145.0USA (Utah) (22711 46439 57913 225118 231582)
Tithonian152.1 - 145.0USA (South Dakota) (49625 49630)
Early/Lower Tithonian150.8 - 145.0USA (Utah) (21852 191718 222544 231581)
Early/Lower Tithonian150.8 - 145.0USA (Colorado) (48167 71476 92360 192454)
Middle Tithonian150.8 - 145.0USA (Utah) (52110)