Davis Formation

Geology

Members: unnamed (49)

Lithologies: not reported (4), "shale" (35), siltstone (2), sandstone (1), "limestone" (12), dolomite (22)

Paleoenvironments: marine indet. (11), shallow subtidal indet. (6), deltaic indet. (1), transition zone/lower shoreface (1)

Age range: base of the Franconian to the top of the Wuchiapingian or 497.00000 to 254.17000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Franconian497.0 - 485.4USA (Missouri) (9144 9137 9136 9142 9146 9143 9150 9147 9148 9149 9151 9152 9153 9154 9157 9155 9158 9156 9159 9160 9161 9163 9145 9191 9184 9194 9187 9185 9195 9186 9196 9190 9197 9188 9198 9189 9199 9192 9201 9209 9200 9202 9203 9204 9205 9206 9208)
Franconian497.0 - 485.4USA (Indiana) (245)
Franconian - Dolgellian497.0 - 485.4USA (Missouri) (9586)
Kinderhookian - Ivorian358.9 - 346.7USA (Nevada) (6232 6240 6231 6237 6238 6239)
Wuchiapingian259.9 - 254.17Australia (New South Wales) (136494)