Shackleton Formation

Geology

Members: unnamed (9)

Lithologies: lime mudstone (1), grainstone (7), "reef rocks" (1), "limestone" (2)

Paleoenvironments: open shallow subtidal (7), reef, buildup or bioherm (1), perireef or subreef (1)

Age range: base of the Atdabanian to the top of the Toyonian or 521.00000 to 508.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Cambrian538.8 - 506.5Antarctica (154033 154034)
Atdabanian521.0 - 516.0Antarctica (7821 56051 56123 199525 199526)
Botomian516.0 - 512.1Antarctica (56124 56125 56126 80915 199520 199522 199523 199524 199527 199528 199529 199530 199531)
Botomian - Toyonian516.0 - 508.2Antarctica (80919)
Toyonian512.1 - 508.2Antarctica (56050 56127)