Topics: earth structure, lithosphere, mantle, core, specific gravity, Earth's magnetic field, plate tectonics, continental drift, continental margin, geologic time, historical geology, stratigraphy, relative time, absolute time, radiometric time scale, geologic time scale, palentology, Minerals, rocks, weathering, erosion, deposition, Marine erosion, Marine deposition, depositional basin, Lacustrine environment, Desert environment, Glacial Environment, subsurface water, Diagenesis, structural geology, petroleum traps, petroleum, reservoir, recovery techniques, exploration techniques, igneous rock, sedimentary rock, metamoprphic rock, rock cycle, mechanical weathering, chemica weathering, weathering products, downslope movement, floodplain deposits, delta deposits, stream deposits, Marine depth zones, Marine currents, wave types, wave refraction, erosional features, marine shoreline, marine deposition, Basin, Lake basin, lacustrine deposition, lacustrine deposits, desert erosion, desert deposition, desert deposits, Glacier, glacial deposition, glacial deposits, groundwater classification, aquifer, water table, water well, ground water processes, groundwater products, lithification, induration, diagenesis, fracturing, stress, strain, faults, folds, strike, dip, superposition, decriptive geometry, stereographic projection, hydrocarbon traps, structural traps, stratigraphic traps, combination traps, unconformity traps, crude oil, natural gas, reservoir performane, reservoir pressure, resevoir loss, reservoir destruction, reservoir rocks, clastic reservoirs, carbonate reservoirs, seals, pressure-data, geometry, fluid content, Rock sampling, fluid flow, porosity, permeability, reservoir properties, surface geology, surface data, surface geology, drilling operations, well cuttings, cores, electric logging, radioactivity logging, acousting logging, sonic logging, spontaenous potential logs, self potential logs, resistivity logs, induction logs, dual induction-focused logs, electrode logs, radioactivity logs, acoustic logs, drill stem tests, geophysical surveys, geochemical surveys, maps, cross-sections

Topics: elasticity, stress, strain, elastic moduli, strain energy, thermoelasticity, poroelasticity, anisotropy, nonlinear elasticity, failure mechanics, tensile failure, shear failure, compaction failure, underground stress, pore pressure, sedimentary rocks, borehole failure criteria, rock mechanics, rock acoustics, reflections refractions, borehole acoustics, seismic, rock models, grain pack models, fractured rocks, unstable boreholes, time-delayed borehole failure, hydraulic fracturing, reservoir geomechanics, compaction, subsidence, well problems

Topics: Igneous Petrology, Metamorphic Petrology, Chemical Petrology, Basaltic Magmas, Mid-Ocean Ridge Volcanism, Oceanic Intraplate Volcanism, Continental Flood Basalts, Granitoid Rocks, Continental Alkaline Magmatism, Anorthosites, Metamorphism, Metamorphic Rocks, Metamorphic Facies, Metamorphosed Mafic Rocks, Metamorphic Reactions, Pelitic Sediments, Calcareous rocks, Ultramafic Rocks, Metamorphic Fluids, Mass Transport, Metasomatism

Topics: Geology, Earth's Surface, Earth's Dimensions, Surface Relief, Earth's Interior, Temperature gradient, Earth's Density, Earthquakes, Isostasy, Continental Drift, Oceanic Ridges, Rock Magnetism, Drift Mechanism, Geological History, Strati-graphical column, Plate Tectonics, Earth age, Earth origin, Precambrian, Phanerozoic, Surface Processes, Weathering, Erosion, Deposition, Minerals, Igneous Rocks, Sedimentary Rocks, Metamorphic Rocks, Geological Structures, Strength of Geological materials, In-situ investigations, Laboratory investigations, Geological Maps, Ground-water, Slope Stability, Reservoirs, Dams, Excavations, Ground water treatment, Nuclear waste, Foundations, Construction materials, Water supplies, Retaining walls, Thermal treatment, Consolidation, Grouting, Dewatering, Underground excavations, Disposal of excavated materials, Surface excavations, Ground-water control, Underground reservoir, Reservoirs, Dams, Slope Stability, Slope Failure, Water levels, Aquifers, Aquicludes, Hydrological Cycle

Topics: Geology, minerals, branches of geology, formation of minerals, rocks, igneous rocks, metamorphism, metamorphic minerals, rock weathering, earth quake, folds, faults

Topics: Pedology, Soil Physics, soil formation, soil morphology, soil characteristics, soil components, soil-forming rocks, rock weathering, minerals, soil survey, soil mapping, soil classification, Nigerian Soils, Nigerian Soils properties, Nigerian Soils classification

Topics: Environment, Physical Environment, atmosphere, Solar Radiation, weather, climate, Tropical Latitudes, hydrosphere, Basin Hydrological Cycle, lithosphere, rocks, weathering, biosphere, ecosystem, Biogeochemical Cycles, Biospheric Resources

Topics: Soil, rock weathering, soil formation, soil profile, soil classification, soil taxonomy, entisols, inceptisols, andisols, gelisols, histosols, Soil Architecture, soil color, soil texture, soil textural classes, mineral soils structure, tillage, soil density, soil water, soil water energy, soil water content, soil water potential, infiltration, percolation, water vapor movement, hydrologic cycle, soil-plant-atmosphere continuum, enhancing soil drainage, septic tank drain fields, soil aeration, redox potential, wetlands, soil temperature control, soil colloids, layer silicate clay structure, cation exchange capacity, soil acidity, soil ecology, soil organism, earthworms, ants, termites, soil algae, soil fungi, soil prokaryotes, soil organic, soil organic matter management, climate change, soil phosphorus, sulfur oxidation, sulfur retention, soil fertility maintenance, phosphorus cycle, ammonia volatilization, ammonia fixation, sulfur cycle, calcium, magnesium, silicon, trace elements, Practical Nutrient Management, chemical pollution, Geographic Soils Information

Topics: Building Materials Principal Properties, Structural Clay Products, Brick's Classification, Brick's Testing, Clay Tiles, Terracotta, Porcelain, stoneware, Earthenware, Glazing, Rocks, Stones, Rock-forming minerals, Rock's Classification, Stone Durability, Stones Application, Stone seasoning, wood, wood Products, Trees Classification, Trees growth, Timber Preservation, Timber testing, Timber Structure, Timber's Fire Resistance, Properties of wood, wood products, wood-products applications, Material for making concrete, Cements, Portland cement, Raw materials chemical composition, Cement Hydration, Rate of Hydration, Hydration water requirement, Cements manufacturing, Cements testing, Cement Types, Cements storage, Aggregates, Aggregates classification, Aggregates characteristics, Deleterious Materials, Organic Impurities, Soundness, Aggregates Thermal Properties, Fine Aggregates, Coarse Aggregates, Cinder Aggregates, Mixing water Quality, Effect of mixing water from different source, Water for washing aggregates, Curing water, Lime, Limestone's Impurities, Limestone's Storage, Lime Vs Cement, Pozzolanas, Concrete, water-cement ratio, workability, Maturity, Defects, Re-vibration, Rheology, Non-destructive testing, Admixture for concrete, Concrete Mix design, Building Mortars, Ferrous Metals, Non-Ferrous Metals, Ceramic Materials, Polymeric Materials, Paints, Enamels, Varnishes, Tar, Bitumen, Asphalt, Gypsum, Special Cements, Cement Concretes, Adhesives, Water proofing materials, Fiber, Geosynthetics, Composite Materials, Smart materials, Asbestos, Thermoc0ol, Heat Insulating Materials, Sound Insulating Materials.

Topics: Concrete technology, Cements, Modern cements history, Portland cement manufacturing, Portland cement wet process manufacturing, Portland cement dry process manufacturing, Cement chemical composition, Cements hydration, Heat of hydration, Calcium silicate hydrates, Calcium hydroxide, calcium aluminate hydrates, hydrated cements structure, Water requirement for hydration, Cement types, ASTM cements classification, Ordinary Portland cement, Rapid hardened cement, Extra rapid hardening cement, Portland slag cement, Quick setting cement, super sulphated cement, low heat cement, Portland pozzolana cement, coloured cement, hydrophobic cement, masonry cement, expansive cement, Cement testing, Aggregates, aggregates testing, Aggregates form igneous rock, aggregates from sedimentary rocks, aggregates from metamorphic rock, aggregate crushing value, aggregates impact value, aggregate abrasion value, Deval attrition test, Dorry Abrasion test, Los Angeles test, modulus of elasticity, bulk density, specific gravity, Sieve analysis, Aggregates testing, Water, water qualities, Sea water for mixing concrete, Admixture, construction chemicals, Plasticizers, water reducers, Workability, Plasticizers action, Superplasticizers classification, Factors affecting workability, Superplasticizers types, Fresh concrete, Fresh concrete water content, Fresh concrete mix proportions, Aggregates sizes in fresh concrete, Aggregates shape, Surface texture, Admixture use in fresh concrete, Workability measurement, Slump test, k-slump test, aggregates grading, compacting factor test, flow test, flow table apparatus, vee bee consistometer test, setting of concrete, Manufacture of concrete process, Concrete compaction, Concrete curing, Concrete strength, Water-cement ratio, Strength gaining with age, Concrete maturity concept, Bond strength, High strength concrete, Elasticity, Creep, Shrinkage, Aggregates elastic properties, Modulus of Elasticity, Dynamic modulus of elasticity, Poison's ratio, Creep rheological representation, Creep measurement, Factors affecting creep, Aggregate influence, Mix proportion influence, Shrinkage, Plastic Shrinkage, Drying Shrinkage, Moisture movement, Autogenous Shrinkage, Carbonation shrinkage, Concrete Durability, Strength to Durability relationship, Concrete volume change, Durability definition, durability significance, Permeability, Cement paste permeability, Concrete permeability, Plastic shrinkage cracks, Settlement cracks, Thermal shrinkage, Hardened concrete testing, Concrete mix design, Special concrete, concrete methods