Most Maykopian outcrops are tied with phenomena of diapirism, which have caused the deposits to be in the surface or down along the kernels of numerous
diapiric folds. In Southern Gobustan and the Pre-Caspian region, the commercial flows of oil and gas of the Umbaki and Siazan monoclines are related to the Maykop series, with thickness of up to 1,800 metres.