These strata are unfossiliferous and presumed on the basis of their stratigraphic position to date to the Carboniferous Period. The slates of the Baltoro Formation is part of a thick sequence of well-cleaved black shales and slates that are exposed along almost the entire length of the Karakoram.
These strata lack fossils and, according to their stratigraphic placement, date back to the Carboniferous Period. The slates in the Baltoro Formation are part of a substantial sequence of well-split black shales and slates that are exposed along almost the entire length of the Karakoram.