Guinea rock drill appearance

What type of rock does Guinea have?

Geologically, Guinea is covered by a crust of a very large Archean West African Craton with its northern and western regions having formations of younger Proterozoic rocks and its eastern region consists greenstone belts under the Birimian Supergroup which account for a major portion of West Africa's gold and iron ore reserves.

What geological formation is found in Guinean-Liberian belt?

The geological formation of Guinean-Liberian belt is Precambrian and Paleozoic rocks. Large bauxite laterite deposits in Silurian shale and Ordovician sandstone have been sourced in the Tertiary by the dolerites; these are discovered in the Fouta Djalan mountain.

What are the physiographical regions of Guinea?

There are four main physiographical regions in Guinea: Upper Guinea, Central Guinea, Lower Guinea (or Maritime Guinea), and Forest Guinea. The Mandiana Gold Project lies in the Upper Guinea region, to the east of Futa Jalon, north of Forest Guinea, and bordering Mali to the north and east.

Are drills polygynous?

It is likely that drills are polygynous (males will have more than one female mate at a time), however, their breeding habits have not been studied extensively. Drills have various communication methods, including olfactory (smell), tactile (touch), visual and vocal communication. Scent glands on their chests are used to mark their territory.