Khachik Formation

Geology

Members: unnamed (95)

Lithologies: not reported (4), mudstone (3), sandstone (2), "limestone" (90)

Paleoenvironments: marine indet. (12), carbonate indet. (81), open shallow subtidal (1), deep subtidal indet. (1)

Age range: base of the Capitanian to the top of the Wuchiapingian or 264.28000 to 254.14000 Ma