Geological characterization of mud and debris flow deposits, aburrá valley, Colombia
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The Aburra Valley is a structurally controlled intramontane basin in the central mountain range of Colombia, where surficial slope deposits cover their hillsides. Samples obtained from geotechnical drilling into these sludge or debris-flow reservoirs, which are in the middle and lower parts of the slope on the west side of the Aburra Valley, exhibit a high degree of mechanical competence, which is atypical of soils....
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It is undoubtedly true that the development of a country depends on the exploitation of these resources. In the case of Madagascar’s Island, it is home to countless natural biological and mineral resources. Yet the island is underexplored, with most of the country's geological data dating from the 1950s. The use of modern technologies in mineral exploration and research facilitates and gives us many advantages. The time...
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Land degradation in the form of creation of massive pits, and deforestation of land are some adverse impacts associated with open pit mining activities. Benin City and its environs have witnessed a high proliferation of open pit sand and/ laterite mining activities popularly called borrow pits in recent times with its associated environmental risk. This research is carried on five selected sand mines in Benin City to...
Article in Press
An attempt is made to correlate the Radiometric and Very Low Frequency (VLF) EM data over the Amphibolite schist Belt on the north-eastern parts of Karimnagar Granulite terrain in the Nizamabad and Jagtial districts, Telangana State, India. Karimnagar Granulite terrain, Eastern Dharwar craton is a planar fabric preserved in high grade metamorphic rocks with structural deformation. Amphibolite schist's are the...
Geological properties of feldspar mineral deposit in Gamo zone, Gerese woreda, Southern Ethiopia
Article in Press
The present study has been conducted to access the potential availability and geological properties of feldspar mineral deposit in Gamo zone, Gerese woreda, Ketele Kebele. It also aims in identifying and describing lithological units and geological structures to produce general geological map at scale of 1: 50,000. Pitting was a common method conducted in the field in order to estimate the depth and extent of...
Identified some fossil pollen grain and spores from Neyveli lignite formation, Tamil Nadu, India
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The present investigation highlights the palynological significance of the Neyveli lignite Formation Tamil Nadu, India. The palynological assemblage consists of fungal bodies, pteridophytic spores and angiospermic pollen grains and cuticle of angiosperms. The angiospermic pollen grains are referred to Meliapollis firmus, M. iratus, M. navalei, M. quadrangularis, M. ramanujamii, M. tamilii, Tamilipollenites robustus,...
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With increasing awareness of geotechnical risks in civil and mining structures, taking advantage of smartphones technology to study rocky slopes can play a key role in the development of safe and economical structures for human welfare. In Malawi, there is a research gap on applications of portable devices to collect geotechnical data. Geologists and engineers still use the unsafe tedious handmapping technique to collect...
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The study area covered Ikogosi, Igbara odo, Ipole, Erijiyan and Araromi Ekiti respectively which are underlain by rocks that have undergone several episodes of tectonic deformation and posess other deep seated structures such as fractures, joints, foliations and steep angle dips that are manifestations of the pervasive Pan African orogeny. Geological units of the area consists of migmatites, granites, granite-gneiss,...
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This research covers lithofacies and petrophysical interpretation of reservoir rocks using well logs and core data from Well SHA-001 to understand the reservoir quality with respect to their depositional environments. Analysis was carried out on core sample of 84.3 feet from a depth range of 7176 ft – 7260.3 ft in well SHA-001 to identify and interpret lithofacies depositional environments. Six (6) Lithofacies were...
New nano-structured microcrystalline silica: fire agate
Article in Press
30 samples of fire agate (SiO2) from Mexican new deposits (State of Aguascalientes, Calvillo and Jesus Maria municipalities) were documented using Raman Microprobe (RMP), Infrared reflection (IRS) Spectroscopy, Scanning Electron (SEM), and Atomic Force Microscopy (AFM). Fire agate, a non-transparent variety with multicolored fire, show a higher degree of organization of homogeneous nano-structure which is built from the...
Estimation of Swelling Potential of Enugu Shale Using Cost Effective Methods
Article in Press
The behavior of swelling soils is mainly governed by its mineralogical composition as well as its environmental factors and stress history. Enugu Shale is one of these shales that assessment of its soil swelling potential cannot only be based on its mineralogical composition alone. The identification of its clay mineral types is basic to understand the roles of other factors of swelling in the soils. The results of...
Article in Press
This work presents a facies analysis of Buanji Group based on field data. The succession is divided into two depositional sequences which are lower siliciclastic units (ranging between 600 – 750 m thickness) of the lower and middle Buanji and upper non-clastic – clastic strata (600 ± 20 m thickness) of the middle and Upper Buanji Units. Six lithofacies (conglomerate (F1), sandstone (F2), siltstone/mudstone (F3), shale...
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The need to source for local construction materials that are appropriate for the massive developmental projects in Ebonyi State, southeastern Nigeria, has necessitated sampling and testing of the Maastrichtian Amasiri Sandstone in the Akpoha area of the state. Petrographic analysis and aggregate tests were conducted on six samples randomly selected from the rock deposit underlying the area. The petrographic analysis...
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The study focuses on both (qualitatively and quantitatively) analysis of high resolution Aeromagnetic data for the estimation of geothermal potential within the eastern part of Lower Benue Basin and correlating the results from the qualitative analysis of Radiometric concentration data of the study area. The study area covers a total area of 18,150 km2 , six aeromagnetic sheets covers the area, major towns are Markudi,...
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The study aimed at characterizing the geochemical compositions of Tarat Sandstones horst of uranium deposit in Arlit, Northern Niger. Induced Coupled Plasma - Atomic Emission Spectrometry (ICP-AES) and Induced Coupled Plasma-Mass Spectrometry (ICP-MS) analyses were used to determine the characteristics of studied sandstones. Field observations in Takriza, Taza North, Tamou open pit mines and Tamari Prospect and factor...
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We present the petrographic and structural features of the Precambrian (Neoproterozoic) Basement rocks of the Benin-Nigerian Shield that crop out in Northwestern Nigeria within Kanoma and its environs to give an insight on the evolution and deformational episodes that pervaded them. The major rock types in the area are schists and quartzites which have been intruded by granitic rocks. The origin of these rocks can be...
Article in Press
The key economic parameters to model risks and uncertainties for optimal decision-making in the planning of a mining project include commodity price, discount and monetary exchange rate. The current status of these key parameters is known but, the risk associated with their unknown values is of importance for decision making. In this research, economic variables such as, commodity price, mining costs, annual change in...
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