47+400 55+000 7.6 Plantation – 55+000 55+700 0.7 Settlement – 55+700 61+800 6.1 Plantation – 61+800 75+500 13.7 Forest – 75+500 86+200 10.7 Savannah – 86+200 91+600 5.4 Settlement – Table 4: - Land Use/Cover type along the whole route Land use/ Land cover type Coverage (km) % coverage from the total Plantation (Coffee, Enset & 56.75 banana) 63.05 Bush, Woodland & Forest 13.7 14.95 Settlement 10.45 11.4 Savannah 10.7 11.68 91.6 100 4.1.4 Geology The project area consists of volcanic mainly Jimma Volcanics: (Rhyolite and, trachyte flows and tuff with minor Basalt layered) and Precambrian formations. The latter includes medium grained biotite and hornblende-biotite gneisses. Minor ferruginous quartzite and amphibolite layers occur within hornblende-biotite gneisses. The above formations cover the project area from the start to nearly the Sudan Border. Ultimately the formations are replaced by alluvial and lacustrine deposits as one reaches the flat terrain. Fig.2 the Regional Geological Formation of the Project
47+400 – 55+000 7.6 Plantation 55+000 – 55+700 0.7 Settlement 55+700 – 61+800 6.1 Plantation 61+800 – 75+500 13.7 Forest 75+500 – 86+200 10.7 Savannah 86+200 – 91+600 5.4 Settlement Table 4: - Land Use/Cover type along the whole route Land use/ Land cover type Coverage (km) % coverage from the total Plantation (Coffee, Enset & banana) 56.75 63.05 Bush, Woodland & Forest 13.7 14.95 Settlement 10.45 11.4 Savannah 10.7 11.68 91.6 100 4.1.4 Geology The project area consists of volcanic mainly Jimma Volcanics: (Rhyolite and, trachyte flows and tuff with minor Basalt layered) and Precambrian formations. The latter includes medium grained biotite and hornblende-biotite gneisses. Minor ferruginous quartzite and amphibolite layers occur within hornblende-biotite gneisses. The above formations cover the project area from the start to nearly the Sudan Border. Ultimately the formations are replaced by alluvial and lacustrine deposits as one reaches the flat terrain. Fig.2 the Regional Geological Formation of the Project
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