Browsing Earth Sciences by Issue Date

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Geothermal Study in Northwest Lake Abaya Area (Southern Ethiopian Rift)

Yirgu, GeZahegne (Addis Ababa Universty, 1980-07)

Geothermal energy, the cheapest amorlY ttl~ differeDt soutced of power, is thought to provide a solution for the rising demand of electricity in Ethiopia, because the Ethiopian Rift Valley and Afar area have been ...
Hydrogeology of the Borkena River Basin Hollo – Ethiopia

Tadesse, Ketema (Addis Ababa Universty, 1980-07)

The Borkena Hiver Basin is located in Wollo governorate general. It is part of a major graben related to the Ethiopian Rift System, which extends north to Korbeta graben around Maichew and south upto Debre Berhan, and ...
Variations in Soils and their Mineralogy in the Kulubi Area,Harar, Ethiopia

Wolde, Begashaw (Addis Ababa Universty, 1981-07)

The geology, geomorphology and soils of the Kulubi area, in eastern Ethiopia, are described. The succession of rocks in the region comprises Precambrian rocks consisting of gneisses, granites, and raigraatit - es ...
Relation Ship Sbetween Geology, Mor Phology and Soil Associations of Bichena Area ( S. E. GOJAM )

Ayalew, Teklewold (Addis Ababa Universty, 1981-10)

The study investigates the extent of influence of the geolog- ical history , essentially parent rock * topography and time , on soil formation and distribution in Bichena , Southeastern Gojjam * Lithostratigraphy of the ...
Stratigraphy and Carbonate Microfacies of the Hirna Mesozoic Sequence

Atnafu, Balemwal (Addis Ababa Universty, 1981-12)

The study are apresent sex posuresr a n g i n g i n a ge from the Precam bria n ( b a s e m e n t ) t h r o u g h M e s o z o i c (s e d i m e n t s) t o t h e T e r t i a r y ( v o l c a n i cs) w it h a l l u v i a ...
Alleonathy in some Ethiopian Grasses.

Medhanie, Gebrehiwot (Addis Ababa University, 1982-06)

I nvestigation fo r possible chemi cal interactions among some of the common grass species that graw in and around Addis Ababa
Shallow Resistivity Invistigation in the Filowoha Fault, Addis Ababa

Selassie, Haile (Addis Ababa Universty, 1985-12)

The effectiveness of the electrical resistivity methods has been studied using various configurations over the Filwoha Faul t. It has been opserved that the del inea tionof the faul t was possible under differential ...
Neotectonics of Nazret-Dera Area

Damte, Alula (Addis Ababa Universty, 1990-06)

The Nazret=DGra area forms a segment of the northern part of the Main Ethiopian Rift. The region is character-' ized by a complicated morphology which is a result of several episodes of volcanism and tectonism. The ...
The Gravity Field and Crustal Strecture of the Main Ethiopian Rift

Alemu, Abera (Addis Ababa University, 1992-01-05)

All Existing Data (1500 taken by the the author and 800 reprocessed older data )in the Main Ethiopia Rift and the adjacent plateaus (between latitudes 4045’ N and 12000’ N)were reduce to Bougure and free-air values The ...
Hydrogeology of Debre Zeit Area

Alemayehu, Tamiru (Addis Ababa Universty, 1992-06)

The investigated area is located east of Addis Ababa on the western border of the main Ethiopian rift valley * Being part of the Ethiopian rift system , it is characterized by Plio-Quaternary volcanism which gave rise ...
Tectonics of the Precambrian Rocks of the Negash Area, Tigrai Region, Northern Ethiopia

Kidane, Tesfaye (Addis Ababa Universty, 1993-01)

The Wukro area is constituted by weakly metamorphosed largely Precambrian age volcano-sedimentary rock units of Tsaliet Group , Tembien Group , Didikama Formation , Hatheos Formation and pebbly slate which form part of ...
Water Balance and Effect of Irrigated Agriculture on Groundwater Quality in the Wonji Area / Ethiopian Rift Valley

Dechasa, Teshome (Addis Ababa Universty, 1993-06)

Wonji basin covers a total area of 357 Km2 and has a population of 290,703 out of which 50,000 are sugar estate farm workers. The main source of domestic water in the area is groundwater. Awash river passes in the area ...
Mineralogical and Geochemical Studies on the Sakaro Primary Gold Deposit (Sidamo, Southern Ethiopia): Zonation in Ore Bodies and Host Rocks

Girma Mesfin (Addis Ababa Universty, 1993-06)

The Sakaro deposit is a vein-type fault-hosted gold deposit in the Adola area, southern Ethiopia. It is composed of quartz veins up to 9.3 m wide which occupy fault planes along foliation and petrographic contacts ...
Volcanology, Petrology and Geochemi Stry of Gedemsa Volcano

Ayalew, Dereje (Addis Ababa Universty, 1994-01)

The Gedemsa volcano lies on the floor of the northern sector of the Main Ethiopian Rift. It is characterized by a polygenic caldera resulting from large pyroclastic eruptions. K/Ar dating performed by previous studies ...
Sulfide. Mineralization in the Lega Dembi Primary Gold Deposit, Sidamo, Southern Ethiopia

Getaneh, Worash (Addis Ababa Universty, 1994-06)

Sulfides in the LDPGD are found in small quantity. The deposit is a lowsulfide- gold quartz deposit which specifically belongs to the pyrite-arsenopyrite-galena assemblage type of "Volcanic precious metals tellurides ...
Hydrogeology of Nazret

Ameneshoa, Woldu (Addis Ababa Universty, 1994-06)

The study area is found in the southern part of the northern sector of the Main Ethiopian Rift some 97 km southeast of the capital. It covers a surface area of about 370 sq.km. Elevation varies from below 1600 m.a.s.l. ...
Hydrogeology of Jimma Area

Tadesse, Nata (Addis Ababa Universty, 1994-06)

The studied area is located 335 Km. southwest of Addis Ababa in the southwestern Ethiopian plateau. Over half of the map-area is underlain by thick basalt flows inter layered with tuffs and volcanoclastic sediments. The ...
Application of Remote Sensing in . Lithological Mapping and Reconstruction of the Stratigraphy of North - western Mekele Area, Ethiopia.

Temesgen, Berhanu (Addis Ababa Universty, 1995-05)

The area under study is located within the Mekele out lier. It comprises Mesozoic sedimentary rocks unconformably overlain by trap volcanics. Landsat-TM images have been processed and geologically analysed in combination ...
Hydrological and Hydrogeological Study on the Kulfo River Basin

Masresha, Paulos (Addis Ababa Universty, 1996-06)

The study area, the Kulfo River basin, is located 500 km south of Addis Ababa. It is bounded on the basis of the surface divide of the Kulfo River. The area is composed of part of the rift floor and part of the western ...
The Gravity Field Southern Ethiopian Rift Systems Between 3.30 to 7.150 Nlatitude and 360 to 420 Elongitude

Asrat, Estifanos (Addis Ababa Universty, 1997-05)

1800 gravity data covering the research area are redilrc t·) f<o'lgu~r tnd !ree ;:ir vdu~s ,an:! interpreted based on the Bouguer anomaly map and a pair, of sho& w~v" 1~li?,t;i(&\vrJ, re"i(,lualj ' lltld long \yave length ...

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