Shirgesht Formation

Geology

Members: unnamed (1), B5 (1), Lower Shale (1), Middle Carbonate (4), Second (1)

Lithologies: "shale" (1), "limestone" (6), "carbonate" (1)

Paleoenvironments: marine indet. (6), carbonate indet. (1), deep subtidal indet. (1)

Age range: base of the Tremadocian to the top of the Darriwilian or 485.40000 to 458.40000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tremadocian485.4 - 477.7Iran (66866 66867 66869 66870 66871)
Tremadocian - Floian485.4 - 470.0Iran (66868)
Darriwilian467.3 - 458.4Iran (151222 179207)