Lincoln Creek Formation

Geology

Members: unnamed (53), Gries Ranch (1), middle (1)

Lithologies: not reported (13), "siliciclastic" (1), mudstone (6), "shale" (3), siltstone (7), sandstone (7), "limestone" (17), "carbonate" (3)

Paleoenvironments: marine indet. (14), shallow subtidal indet. (3), basinal (carbonate) (12), basinal (siliceous) (1), offshore (1), deep-water indet. (22), lacustrine indet. (2)

Age range: base of the Late/Upper Eocene to the top of the Aquitanian or 37.20000 to 20.44000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Priabonian38.0 - 33.9USA (Washington) (40733 126110 191204 202067 205032 205039 205200)
Priabonian - Rupelian38.0 - 28.1USA (Washington) (39961 180194 180196 199540 205035 205199)
Late/Upper Eocene - Early/Lower Oligocene37.2 - 28.4USA (Washington) (133882 202423)
Rupelian33.9 - 28.1USA (Washington) (39965 45812 58961 91620 166390 180416 180440 180441 205033 205195 205216 205791 206068 206069 206070)
Oligocene33.9 - 23.03USA (Washington) (91621 134453 134454 194015 198619 205034 205201)
Chattian28.1 - 23.03USA (Washington) (4869 52380 56871 91619 91623 91624 160141 166320 169301 180439 187941 199731 205198 205209 205217 206066 206067)
Aquitanian23.03 - 20.44USA (Washington) (196806)