compasses, rock hammers, hand lenses, and field books.
Explanation:
they use rock hammers to obtain a fresh surface of a rock to determine its composition, nature, mineralogy, history, and field estimate of rock strength. compasses for, both orienteering and for taking structural measurements like strike and dip of sedimentary beds or trend and plunge of fold axes. hand lenses to take a closer look at rocks. and they use field books to record the detailed observations of geologists working in the outdoors.
The Great Rift Valley is currently in the process of splitting the African plate into two different plates, and it's a divergent boundary, moving the Somalian, Arabian and Nubian plate away.
