[1] It is one of the earliest known backed-bladelet industries in Northern Africa, dating between 22.5 and 16 ka cal BP in Nubia.
The Halfan is believed to have descended from the Khormusan Culture[4][5] which depended on specialized hunting, fishing, and collecting techniques for survival.
The Halfan people survived on a diet of large herd animals and the Khormusan tradition of fishing.
The primary material remains of the Halfan complex are their stone tools, flakes, and a multitude of rock paintings.
The most general observation, is the relative proportions of flakes, microblades, and cores chosen for retouch.