... Lisburne Group (Kuna Formation, unnamed drowned shelf facies), and the Pennsylvanian-Permian Siksikpuk Formation. Major base metal sulfide deposits of the region are present only in the Kuna Formation, which in the Red Dog district comprises siliceous black shale and black chert, minor limestone...

...FIG. 7 —Typical bedding character of bedded chert in Siksikpuk Formation of DeLong Mountains, although most sections are not as well exposed. Chert beds are 5 to 15 cm thick. Siksikpuk Formation here depositionally overlies light-gray carbonate rocks of Lisburne Group exposed in hill...

..., Kanayut Conglomerate, and Kayak Shale. Overlying rocks consist of the Carboniferous-Jurassic Etivluk Group, marine-shelf siliciclastic strata that locally include shales and cherts of the Siksikpuk Formation and shales, cherts, and limestones of the Otuk Formation. † Corresponding author: e...

... of Pennsylvanian(?) and Permian age), 0–1,400 feet thick, overlies the Alapah with probable disconformity. The Siksikpuk Formation (Lower(?) Permian), is more than 600 feet thick and consists mostly of shale. It rests unconformably on the Wahoo Limestone at Galbraith Lake and on the Alapah Limestone west...

... formation of the Lisburne Group; and Permian Siksikpuk Formation and Triassic Otuk formation of the Etivluk group. Lower Cretaceous coquinoid limestone and, in some places, orogenic sediments of the Okpikruak Formation cap the allochthon. Total stratigraphic thickness of the Endicott Mountains allochthon...