Browsing Earth Sciences by Issue Date

Now showing items 21-40 of 673

Groundwater Investigation by the Electrical Resistivity Method in El-Gof, Moyale

Hailu, Solomon (Addis Ababa Universty, 1997-06)

This paper describes the Resistivity Survey carried out in EI-Gof area located some 38 km north of Moyale town in the Southern Borena region to locate and delineate a buried river channel which are of utmost importance ...
Integrated Geophysical Methods in Base Met Al Expwration and Studies of Shear Structures in kAtta II, Wollega

Berhe, Alemayehu (Addis Ababa Universty, 1998-06)

The Katta II area is situated in the western wonega, about 7 km east of the Nejo two. This area belongs to the Nejo series metasedimentry metavolcanic and intrusive rocks of the Upper Proterozoic metamorphosed in the ...
Application of Resistivity Methods for Groundwater Exploration Around Chuko, Southern Region of / Ethiopia

Bunaro, Eyasu (Addis Ababa Universty, 1998-06)

Geophysical surveys and studies wereca'riied out in southern Ethiopia around Chuko town for ground water exploration by the hydrogeological team in the Ethiopian Institute of Geological Surveys (BIGS) during 1984 - 1985. ...
Hydrogeology and Hydrochemistry of Lake Ziway Area and the Surrounding

Gashaw, Haile (Addis Ababa Universty, 1998-06)

The studied area is located in the northen part of the central s!(5ctor of the Main Ethiopian Rift. It is bounded by 7° 35' N & 812' N latitudes and 38 25' E & 39°15' E longitudes. It is covered by Pliocene to Recent ...
Water Quality Andgroundwateriakaki River Interaction in the Sekelo Basin (Lower Akaki River Sub-Basin)

Ali, Aynalem (Addis Ababa Universty, 1999-05)

The thesis presents the results of geological, hydrogeological and hydrogeochemical studies in the Akaki subbasin (Sekelo). This study was to provide an overview of the water quality and the mixing of the groundwater and ...
The Gravity Field and Tectonic Setting of Tile Gedamssa Caldera and its Adjacent Areas

Zeleke, Mengistu (Addis Ababa Universty, 1999-05)

In this thesis work analysis of587 gravity data collected in the central patt of the Main Ethiopian Rift (MER), between latitudes 8.00- 8.75N & longitudes 38.75- 39.5E ( consisting of Gedamssa caldera is made). The data ...
The Gravity Field, Magnetic Field and Regional Tectonic Setting of the Corlletti Caldera and its Adjacent Areas

Getachew Shiferaw (Addis Ababa Universty, 1999-06)

In this thesis work analysis of about 2220 gi'aVity' alia 75 liuigileli6 data' colieCted ih the 'Lakes District of the Main Ethiopia Rift (MER), between latitudes 6.88° - 7.75° and longitudes 38.00° - 39.00° consisting ...
Hydrology and Hydrochemistry of Bishoftu Crater Lakes (Ethiopia)

Kebede, Seifu (Addis Ababa Universty, 1999-06)

The Bishoftu Crater Lakes, located on the western shoulder of the main Ethiopian Rift can provide a sedimentary record, which has registered the changes in the balance between precipitation input and evaporative water ...
Geochemical Exploration for Epithermal Gold and Associated Base Metals in the Gedemsa Caldera

Muluwork, Eyoel (Addis Ababa Universty, 1999-08)

Several central volcanoes are present along the axial portion of the rift, which offered opportunities for potential geothermal resource investigations. The Gedemsa caldera, which is a Holocene volcanic complex in the ...
Pejrology, Geochemistry and Mineral Occurrences of the Big Dubicha Metaultramafic Rocks, Northeast of Kibremengist, Southern Ethiopia

Demissie, Tesfaye (Addis Ababa Universty, 1999-11)

The Big Dubicha metauitramafic mass is part of thy, east;,:l'n belt (Kenticha belt)Of, Adola area. Lithologic units in the area include; biotite - muscovite - quartz schist, chlorite schist, taic schist and tremolite - ...
Application of Integrated Geophysical Methods for the Landslide Studies of the Bonga Town

Mekuria, Senay (Addis Ababa Universty, 2000-03)

Integrated geophysical methods, particularly refraction seismic, resistivity sounding and profiling and magnetic were conducted on the landslide affected part of the Bonga town. Based on the data obtained in the survey ...
Some Features of Gold Mineralization i Worash in Southern Seken 1 Area (Worq Amba), Tigray

Ofgaa, Temesgen (Addis Ababa Universty, 2000-06)

The geology of the study area is constituted by feldspar quartz sericite schist, muscovite chlorite schist , basic metavolcanics and granodiorite. The feldspar quartz sericite schist consists of thin intercalations of ...
Hydrogeology of the Aynalem Wellfield, Tigray , Northern Ethiopia

Hussien, Abedlwassie (Addis Ababa Universty, 2000-06)

The shortage of drinking water is one of the critical social issues concerning the Mekele town. Groundwater is the only source to fulfil the need so far. However, there is no sufficient water supply for the town. Therefore ...
Sedimentology and Geochemistry of Coal Deposit in Geba Basin, Illubabor, Western Ethiopia

Tadesse, Kibrie (Addis Ababa Universty, 2000-06)

The sedimentary succession exposed in a386 sq. km Geba basin represents one of thick accumulations of continental sediments that are commonly known to associate the Ethiopian Tertiary volcanics. The succession is a coal ...
Hydrology, Hydrogeology, and Hydrochemistry of the Lakes System Haiq-Ardibo, Northern Ethiopia

Demlie, Molla (Addis Ababa Universty, 2000-06)

The geology, hydrology, and hydrogeology of Haiq-Ardibo catclilllent was studied. The main objectives is to understand and map the different lithologic units and characterize them in to hydrostratigraphic units, to analyze ...
Gravity Survey of the Shalla Caldera and its Environs for the Exploration of Geothermal Energy

Hussen, Harbie (Addis Ababa Universty, 2001-02)

For the possible assessment of geothermal resources it is nccessaty to obtain additional geophysical infollnation fium the gravity survey regarding the Shalla caldera and its environs. All available data, over 1041 ...
Fluoride Genesis in Groundwater of Butajira _Koshe _Ziway Transects Areas Using Integrated Hydrochemistry and Isotope Techniques, in Central Ethiopia

Admas, Temesgen (Addis Ababa University, 2001-06)

This research is conducted to investigate fluoride problems with it genesis in groundwater of Butajira_Koshe_Ziway transect of central main Ethiopian rift by using integrated hydro chemical and isotope analysis techniques. ...
Geophysical Studies in the Aluto Geothermal Area

Ayele, Tibebu (Addis Ababa Universty, 2001-06)

This geophysical investigation comprises :gravity and electrical resistivily mdhods that: add new infonnation to the geology and tectonic setting of the study area. The results show major structures, major lithologic ...
Geophysical Investigations for Lake Level Rise Studies, Northern Part of Lake Beseka

Asfaw, Berihun (Addis Ababa Universty, 2001-06)

Geophysical methods provide the tools for solving various geological problems. In the case of this work, vertical electrical sounding (VES) and magnetic methods are carried out in the vicinity of Lake Beseka. The site ...
Geotechnical and Engineering Geological Investigation of Iyandafaro Dam Site, Konso, Southern Ethiopia

Hailu, Demeke (Addis Ababa Universty, 2001-07)

The Iyanda catchment covering an area of 658km2 is studied for the selected dam site. Land use/ Land cover, soil and slope of the area were mapped, so that erodability for vegitation soil complex is computed. Geology and ...

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