Tsarin Omingonde yana daga cikin farko-farkon Tsakiyar Triassic (Anisian zuwa Ladinian) tsarin ilimin ƙasa, wani ɓangare na kungiyar Karoo Supergroup, a yammacin Yankin Otjozondjupa da arewa maso gabashin Yankin Erongo na arewa maso tsakiyar Namibia. Tsarin Haduwarsa na da mafi kauri na kimanin mita 600 (2,000 kuma ya ƙunshi sandstones, shales, siltstones da conglomerates, an ajiye su a cikin tsarin yanayin kogin, yana canzawa tsakanin kewaye da saitin kogi tsari na kogin.