Pyramid Shale Member

Geology

Formation: Carrara

Lithologies: "shale" (12), siltstone (10), lime mudstone (1), "limestone" (1)

Paleoenvironments: shallow subtidal indet. (4), lagoonal/restricted shallow subtidal (2), coastal indet. (5), paralic indet. (1), transition zone/lower shoreface (2)

Age range: base of the Dyeran to the top of the Delamaran or 515.30000 to 506.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Dyeran515.3 - 511.2USA (California) (10631 10632 149614 149631 149638 149651 149696 151380)
Dyeran515.3 - 511.2USA (Nevada) (149560)
Delamaran511.2 - 506.5USA (Nevada) (149363 149389 149561 149562)
Delamaran511.2 - 506.5USA (California) (149615)