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Article
Structural controls on the emplacement of scoria cones and rhyolite domes of the western Afar margin, Ethiopia
Matured continental rift zones that imprint the complete cycle of rifting are rare deformation environments in the globe. The western Afar margin is one that shows such a complete process. This research is aim...
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Article
Open AccessGeoheritage and Resilience of Dallol and the Northern Danakil Depression in Ethiopia
The Danakil Depression, located in the northern segment of the Afar rift, is a world-class example of active rifting and the birth of a new ocean. The unique, yet only partially interpreted geothermal system o...
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Article
Tectonic link between the Neoproterozoic dextral shear fabrics and Cenozoic extension structures of the Mekelle basin, Northern Ethiopia
The Mekelle basin (area ~ 5500 km2) is located at the immediate western margin of the Afar Depression, which has a history of collision, subsidence, uplift, magmatism and now rifting. The evolution of such small ...
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Article
Electrical resistivity imaging and engineering geological investigation of Gereb Segen dam, northern Ethiopia
The paper presents results of electrical resistivity imaging and engineering geological investigations conducted at the Gereb Segen dam site and reservoir to evaluate water tightness and stability. A programme...
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Article
Assessing the aptitude of vesicular volcanic rocks as pozzolanic sources for supplementary cementitious materials
The research was conducted to verify two vesicular basalt deposits identified for pozzolanic sources. These are Wejerat site, in southern Tigray, which has been the major source of vesicular basalt for cement ...
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Chapter
The Volcanic Rock Cover of the Dogu’a Tembien Massif
The Earth’s internal layers (mantle and core) contain heat trapped from the primitive earth. The mantle is composed of low density iron and magnesium silicates and shows a convective movement when receiving co...
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Chapter
Geosites, Geoheritage, Human-Environment Interactions, and Sustainable Geotourism in Dogu’a Tembien
High-value geological formations are among the least-protected heritages of our globe. In the Ethiopian context, the study on geosites, geoheritages and geodiversity is at its infant stage. Many potential geos...
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Article
Geochemistry and Geochronology of Phonolitic and Trachytic Source Rocks of the Axum Obelisks and Other Stone Artifacts, Axum, Ethiopia
The northern Ethiopian Kingdom of Axum (ca. 100–700 AD) is known for its underground royal tombs and monolithic obelisks, which were probably carved and erected before/during the fourth century A.D. Most or al...
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Article
Regional groundwater flow modeling of the Geba basin, northern Ethiopia
The Geba basin is one of the most food-insecure areas of the Tigray regional state in northern Ethiopia due to recurrent drought resulting from erratic distribution of rainfall. Since the beginning of the 1990...
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Article
Evaluation of groundwater resources in the Geba basin, Ethiopia
This article presents an assessment of the groundwater resources in the Geba basin, Ethiopia. Hydrogeological characteristics are derived from a combination of GIS and field survey data. MODFLOW groundwater mo...
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Chapter
Geology, Petrology, and Geochemistry of the Basaltic Rocks of the Axum Area, Northern Ethiopia
The Axum volcanic rocks constitute an important outcrop of trap basalts at the northern end of the great Ethiopian flood basalt province. They constitute about 5–480-m-thick sequences exposed around Axum and S...
