GEOLOGICAL MAP OF HOSAINA - ASELA AREA !. INDEX MAP 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 Towns 60 70 80 90 00 10 20 30 40 (! 50 60 70 80 90 00 10 20 30 40 50 38°0'0"E 39°0'0"E .! Region Capital ARJO AKAKI BESEKA NAZRET (! Leta 940 940 .! Gerbo Tore 40 40 Zone Capital (! (! .! Woreda Capital HOSAINA-ASELA Ejersa !( (! Developed Area Dam Arbu Haro (! (! Bofa Chulule (! JIMMA HOSAINA ASELA (! Roads Korke (! Asphalt Geto Tiya (! (! Koka (! Gravel Rivers SODO - AWASA 930 930 Gora 30 30 Major Rivers (! suten Abegaz (! Awash (! Sodere DIME DILA DODOLA/GOBA Melkasa (! (! Kombolti Lakes (! Swamp N1n Ombole (! Lake N1_2n ARBA MINCH - AGRE MARRYAM Boundaries Basin Boundary BAKO AHEREMARIAM NEGELE N1ar 9 Kesht 9 Acheber (! 20 20 (! Bu-i 150 20 20 National Boundary !. 3.8 A 150 0 Haro Jima KONSO - YABELO (! Robi 102 (! Spring Discharge [l/s] 153.6 0 A 5(!7.4 0 A 83.8 N1n 0.1 Alem Welkite 0 Tene 0.01 - 0.75 ISTIFANOS HAYK YABELO WACHILE !. Midrekebd (! 0.75 - 2.50 Ngm 2.50 - 6.00 K e n y a Kella (! Elersa Pre 295 Lele 6.00 - 16.00 5.5 A 151.9 (! Pgl 102.3 Bika (! 9 rb Barta 9 16.00 - 10 ob (! 10 10 rb 10 Pgl Y BH2 Y !@147 Geological Structure A A 90.6 0 Major fault, downthrown shown N1_2n Y 200 #* 0.6 A 110.1 Aqena ob 0.8 Major fault !. #*rb #* #* Normal fault, downthrow shown rb lac1 #* Dugda Normal fault 26 (! ob 0 A 15 #* Pm N Inferred fault, downthrown shown 37 #* #* W Meki rb 0 A 13 #* #* !. 9 Yambeli 0 9 (! #* Inferred fault 00 Agena 80 #* 84 85 r Arb 00 (! 00 78 e 00 25 40.9 A 87.9 46 7.9 25.7 v Gebeya 29 52 A A Hamus i ob Iteya (! Major fault, downthrown shown, by satellite images 0 9 31 15A.4 65 2.8 #* 55 R Indibir A #* Gebeya i !. 0 0 A 9 194.9 A156 (! k I r n i z a !. A f e 0 !. 3.8 54.7 Goba W Major fault, by satellite images Endibir Bozhabar A 41.5 M rh Y (! 87 11.3 ob ob !. 0 31 17 Fude #* 25.1 14.9 A (! N1_2n Y A 0 0 15 Normal fault, downthrow shown, by satellite images 21.7 A G #* #* #* 0 Y W 0 #* 40 rh 0 Adis #* ba Y Normal fault, by satellite images 60 70 80 90 00 10 0 A 15 20 30 0 A 9 2840 50 60 70 80 90 00 10 20 30 40 50 0 13 rb Natile Ligaba A0 Ketema #* 11 0 (! (! (! 0 A 10 0 K W #* #* 0 A 4 0 Y Inferred fault, downthrown shown, by satellite images 0 0 0 a 31 t Shamene #* #* 244 a (! 0 9 A 9 r A #* 0 A 7 1 159 Rama W Inferred fault, by satellite images 0 0 A W 0 0 19 11 Gebriel Y Inseso ! 60 ob 0 A 15 #* 43.6 43.4 (! ( Yandene 0 A #* A0 0 A 5 37.8 0 A 189.1 0 0 #* 25 ob W rb ob Geology boundary NQs Buratu0 11 0 #* 41.1 40 0 0 A 18.2 200 8.8 8 (! A0 9 #* A BH10N 8 A 10 0 0 0 A 2 31 40.5 0 40 0 !@ 24.8 90 0 A 4 0 A #* 4.2 A 90 K a t 0 0 a 0 0 396.20 0 0 A 34 0 A 10 0 14.4 0 A 18.1 90 r lac1 9.7 rh G Wolonkomi(Boruijawe) Inferred geology boundary Adis A #* A rh (! 0 0 A 7 17 AA 33.1 #* 0 0 0 G (! 0 0 #* 29 44 (! ob Yewere Gebeya 15.9 A 15.7 0 20.6 34 Ogoloho Gunchire ! 0 5 31 0 12.6 ( 0 5 a A 0 18.2 ja A s Caldera edge 1.3 m 0 A u 0 A 4 o 35 ob l u !. A 0 0 0 #* #*rb A10 W 0 K Gonoe (!G 0 e Jembero 0 24.3 #* 4A0 0 17.8 (! 0 43 d 0 0 A 10 14.4 0 A 18.1 A 0 56 A #* A 0 4.6 Kulumsa n 21.4 #* A 0 Abosa (! Bole 0 4.5A 5 00 0 0 A0 12.60 (! #* 0 A 26.3 (! o Volcano / Volcanic Cone (! A Kibet 0 0 11 0 0 0 #* #* 34 0 A G G 0 0 AA10 0 17.8 28 0 A 0 A 26.3 A rb#* 2.5 0 L. Ziway rh N Arekit 0 0 0 0 0 A 2.6A Koshe 0 #* N " !. W 0 0 2.5 2.3 (! Deneba 2.5 0 A (! " 0 0 2A.6 0 Borehole (Well) ' A 35.4 ob Y A 1.5 G 0 ' 0 0 0 4 3.9 20.8 #* #* 0 ° A C ° Total depth [mbgl] 8 0 0 0.7 Abugade #* 136 8 (! 23.1 A 21 2.9 A 2.8 1636m 0 0.8 0 A 0 A 11.4 #* rb (! Specific capacity [l/min/m] Static water level [m] 19 44.818.8#*42 0 ba Arata ba Wayra A (! (! A rb 102 G 1.5 8.1 rh 0 A 68.3 G 179 1 Herera Draw down [m] 0 (! a 0 s 8 30964 131.1 ba e 8 A k 80 35.A7 35.7 l 80 80 A 1.7 80 b#*a ob o W 0.1 rh ba ASELA B !@ # Meraheriya # # # 0 # #* # JICA Well # (! # ba ba # # !. # # # # # # 17.6 # # 0 # A # Tarbe rh # # ba # ba #* Ararit # #* #* # (! # rh W 24.1 24 tb #* # # Mazoriya A # ba # (! 110 rh 60 ba # # 0.4 rh ba # #* #* # # 72.6 62.9 0 33 ba # NQs A # A TEM G # # #* # 4.1 rb 2 !. ba ba ba #* # N1_2n Udasa Ziway # # #* # Alkeso (! rh #* # ba Survey Point of Transient-phenomenon #* # Kutere (! ba # (! #* # # # ^_ # ba G # # # ba #* (or Time-domain) Electromagnetic Exploration Method ba # # Mike # # # (! #* ba G # # #* # #* # ba # # # # #* #* #* ba #* G # ba G G #* # #* #* Kebu rh #* rh #* (! Vol Kose rh#* (! 8 (! rh 8 70 #* 66.4 #* #* #* G 70 70 #* 251 0 30.5 ba lake 70 #* A tb Geology rh 0 A 0!.rb Adami 5.4 #* Werabe rh r#*h 0 ba Oinkula #* #* Tulu !. G (! Avisako !. rb Tora tb #* #* #* Golja A ! #* Vol Vol ba#* (! ( #* #* rh #* Vol Holocene (! G ' Mugo ba (! rb Pm Vol Pm #* lac1 Chete a Al Gomoro W Jila m ! #* ( a Alluvium; Fine sand - mud #* ob rh #* #* d rb a rh #* rh #* W H Q rb #* Unclassified Fluvial Deposits; Sandy gravel-mud Yode #* #* rh Vol G A s Geja Sebola Yode #* rb #* G h N2b e (! (! G #* b lac2 Sabola e (! #* Dalocha Tora-1 k Bulbla Lacstrine Deposits; Lake deposits such as gravel, sand and mud Bilalu !. rh a (! rh #* ^_ B u 8 K rh 8 lac2 l Pm o 60 #* b 60 n G 60 u 60 Corbetti Pumice Flow & Fall Deposits; Pumice falls and pumice flow deposits k 243 rb l a e #* 0 152.8 y A Pm Digelu e ba #* #* 37.2 Pm (! Vol #* Sagure Corbetti Rhyolitic Volcanics; Rhyolite lava flows and Obsidian lava flows Lera #* Hula !. (! ba Senyo Wilbareg lac1 (! rb (! W Duna #* Butajira Recent Basalt; Basalt lavas and reddish brown basaltic scoria !. #*#* #* Hafi lac1 Bulbula (! #* #* ob (! ba Meki Lacustrine Deposits; Lake deposits such as poorly-sorted gravel, sand, pumice, tuff, and volcanic sand Kombo Al Damala (! (! #* #* ba Pleistocene Homecho G D (! #* e 8 Morsito r Tijo 8 N2b g H Kenchere (! o o !. r ba (! 50 a 50 Y K 50 e 50 #* l Mito o Langano Poorly Welded Pumiceous Pyroclastics; Yellowish white rhyolitic pumice tuff (! ba W #* #* Achamo ob (! #* B #* Kulumusa Highly Welded Tuff; Rhyolitic to andestic welded tuff i r l a a G t a #* a s t ba k K Fanko e (! #* e W 72.5 #* k Ketar River Acidic Volcanic Sedimentary Rocks; Rhyolitic tuffs and pumice tuffs #* e 60 70 80 90 0 A 0 00 10 2#*0 30 40 50 60 70 80 90 B 00 10 20 30 40 50 0 #* G N1_2n Gonde Strongly Green Welded Tuff; Rhyolitic to andestic welded tuff Ego a Gabo (! n Lemu tb (! de Sirba 1580m e (! Adami Tulu Basaltic Pyroclastics; Basaltic tuff breccias and lapilli tuffs ol B 8 Boshena 1585m 8 40 (! Dosha 40 (! 40 L. Abijata 40 ba Belesa ob Ogolche Pleistocene Basalt; Massive basalt lavas (! D ob N2b G ij L. Langano o Pm G lake u Alem !. d ob Lekansho Lacustrine Deposits; Lake deposits such as sand stone and alternate layer (! ob e #* P#*m Munesa r #* a Vol Kers a Hossaina B lac2 s Langeno k (! e Plio-Pleistocene !. a Al k # # # t e # # e # B #* # # # # n # # rh # lac2 a # rh # # Guna # # # Pm # # Kersa Gademotta Rhyolite; Rhyolite lava flows and rhyolitic tuffs # # (! # # Bekoji # Godo # Guna (! # !. # # rh # Lemu Lisana # # (! N2b ! # ( # # # N2b Basalt; Basalt lavas and basaltic pyroclastics a l e # W k # 200 # 8 Pm e 8 # L # BH9N 30 30 # 0 A!@ 0 30 30 # a 0 0 m NQs # i D NQs Rhyolite; Rhyolitic tuffs 0 151 o A # 28 rh b m ob a o h c H i l e l Pliocene e l a u Bena-ara a s (! D G 167 r e 91.2 A 87.9 rh 0 1550m j rht G E 16 0 A 152.8 N1_2n Rhyolitic Volcanics; Plagiocrase rhyolite tuff and rhyolite lava flows containing obsidian 220 37.2 L.