Ajax Limestone Formation

Geology

Group: Hawker

Members: unnamed (106)

Lithologies: mudstone (2), sandstone (1), "reef rocks" (8), framestone (1), "limestone" (94)

Paleoenvironments: carbonate indet. (8), reef, buildup or bioherm (50), perireef or subreef (3), intrashelf/intraplatform reef (2), platform/shelf-margin reef (42), offshore indet. (1)

Age range: base of the Atdabanian to the top of the Stage 3 or 521.00000 to 514.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Cambrian538.8 - 506.5Australia (South Australia) (215351 215353 215354 215355 215369 215374 215375 215377 215443 215444 215445 215446 215447 215448 215449 215450 215451 215452 215454 215455 215456 215457 215458 215459 215460 215461 215462 215464 215465 215466 215467 215468 215469 215470 275191 275192 275194 275195 275203 275204 275208 275209)
Atdabanian521.0 - 516.0Australia (South Australia) (49618 81172 81173 81177 81180 81181 97746 97747 97748 97749 97750 97791 140335 140336 140338 140339 140341 140342 140343 172571 172572)
Stage 3521.0 - 514.5Australia (South Australia) (215352 242345 242346 242347 275181 275182 275184 275185 275186 275187 275188 275189 275190 275193 275196 275197 275198 275199 275200 275201 275202 275205 275206 275207 275210 275211 275212 275213 275214 275215 275216 275217 275218 275219 275220 275221 275226 275227 275231 275232)
Stage 3521.0 - 514.5Australia (New South Wales) (275183)
Botomian516.0 - 512.1Australia (South Australia) (81184 97751)