Providence Formation
Geology
Group: Selma
Members: unnamed (41), basal (4), lower (38), upper (20)
Lithologies: not reported (1), claystone (15), mudstone (11), "shale" (22), siltstone (2), sandstone (86), chalk (1), wackestone (5), packstone (1), "limestone" (1)
Paleoenvironments: marine indet. (125), basinal (carbonate) (1), prodelta (7), offshore (10), basinal (siliciclastic) (1)
Age range: base of the Chadian to the top of the Early/Lower Maastrichtian or 346.70000 to 66.00000 Ma
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