Tomahawk Formation

Geology

Members: Lower Beds (24), Upper (2), Upper Beds (5)

Lithologies: sandstone (27), "limestone" (2), dolomite (3), chert (1), quartzite (1)

Paleoenvironments: marine indet. (30), carbonate indet. (1)

Age range: base of the Payntonian to the top of the Warendian or 491.00000 to 484.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Payntonian491.0 - 488.3Australia (Northern Territory) (77413 77414 77437 77438 77439 77440 77529 77530 77531 77587 77589 77603 77606 77607 77609 77610 77614 77615 77618 77621 77645 77649 77651 77655)
Datsonian488.3 - 486.85Australia (Northern Territory) (77616 77617 77619 77620)
Warendian486.85 - 484.3Australia (Northern Territory) (77712)
Warendian486.85 - 484.3Australia (Queensland) (77657)
Cressagian486.4 - 481.1Australia (Northern Territory) (77710)