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Data sets Publications Expeditions Thesaurus

Economic Geology

AMRAP, chemical industry, coal mines, companies, cutoff grade, development, discoveries, economics, energy sources, evaluation, geology, industry, Law of the Sea, legislation, licensing, metal ores, metallogenic epochs, metallogenic provinces, metallogeny, mineral deposits,,

Engineering Geology

bridges, accelerograms, accelerometers, airports, anchors, artificial islands, aseismic design, asperities, backfill, berms, clays, blasting, blowouts, breakwaters, concrete, civil engineering, cohesionless materials, cohesive materials, compactness, conductive materials, co,

Environmental Geology

acid mine drainage, airports, atmosphere, bioaccumulation, bioassays, bioavailability, chemical waste, Clean Air Act, Clean Water Act, conservation, constructed wetlands, CREAMS, DDT, detergents, drought, ecology, endangered species, energy conservation, engineering geolog,

Geochemistry

absolute age, absorption, activity, adsorption, advection, alanine, alkalinity, alumina, ammonia compound, ammonium, ammonium ion, anions, aqueous solutions, atmosphere, background level, basin analysis, bicarbonate ion, biochemistry, biogeochemical methods, buffers, calcium,

Geochronology

absolute age, cosmochronology, dates, geochemistry, isochrons, metamorphic rocks, exposure age, epimerization, metamorphism, fission-track dating, meteor craters, biochronology, chronology, cation-ratio dating, event stratigraphy, hydration of glass, lichenometry, optical,

Geomorphology

avalanches, aerial photography, aggradation, alluvial fans, alluvial plains, alpine-type features, arid environment, barchans, arroyos, barrier islands, astroblemes, badlands, barrier beaches, beaches, bars, bays, beach profiles, beach ridges, berms, bedforms, benches, blowou,

Geophysics

adiabatic demagnetization, alpha quartz, alternating field demagnetization, anvil cells, atmosphere, backscattering, Born approximation, chemical demagnetization, core, crust, deep seismic sounding, deformation, demagnetization, dilatancy, direct problem, dynamos, Earth,

Hydrogeology

ground water, aquifers, hydrochemistry, artesian waters, hydrologic cycle, hydrology, hydrosphere, imbibition, hydrogeological controls, flowmeters, dolines, dye tracers, fluorimetry, ground-water provinces, hydrogeologic maps, hydrological methods, infiltrometers, lysime,

Petrology

accessory minerals, banded structures, bibliography, catalogs, crystallography, education, fluid inclusions, homogenization, igneous rocks, image analysis, inclusions, interlaboratory comparison, intrusions, lava, lexicons, magmas, melts, metamorphic rocks, metamorphism, me,

Marine Geology

bottom features, continental rise, environmental geology, geophysical methods, Alvin, continental shelf, continental slope, marine drilling, geology, bathymetry, benthonic taxa, levees, epicontinental seas, CYANA, Deep Sea Drilling Project, Glomar Challenger, MANOP, marin,

Mineralogy

atomic packing, bibliography, catalogs, clay mineralogy, collecting, collections, crystal chemistry, crystal growth, crystal structure, crystal zoning, crystallography, decrepitation, goniometry, lexicons, microscope methods, mineral data, mineral inventory, minerals, opti,

Oceanography

bottom features, abyssal plains, convection, air-sea interface, Alvin, AMCOR, continental shelf, continental slope, bottom water, catalogs, bibliography, Continental Offshore Stratigraphic Test, bathymetry, boundary layer, carbonate compensation depth, CYANA, Deep Sea Dr,

Paleobotany

biologic evolution, biogeography, fossils, catalogs, bibliography, floral provinces, biodiversity, cladistics, geomicrobiology, fossilization, floral studies, chemosynthesis, miscellanea, electron microscopy, flowers, leaves, micropaleontology, fossil record, holotypes, mod,

Paleontology

adaptation, adaptive radiation, anatomy, bibliography, biocenoses, biochronology, biodiversity, biogeographic maps, biogeography, biologic evolution, biometry, biostratigraphy, bipedalism, bones, casts, catalogs, chemical fossils, cladistics, collecting, collections, contine,

Sedimentary Petrology

bibliography, catalogs, clay mineralogy, diagenesis, domains, flume studies, glossaries, lexicons, marine geology, microscope methods, oceanography, petrology, sedimentary rocks, sedimentary structures, sedimentation, sedimentology, sediments, shape analysis,

Seismology

410-km discontinuity, 670-km discontinuity, accelerograms, accelerometers, acoustical emissions, acoustical properties, acoustical waves, aftershocks, Airy waves, amplitude, amplitude distortion, anelastic materials, anelasticity, anisotropy, arrival time, attenuation, b,

Stratigraphy

biogeography, biomarkers, allostratigraphy, aminostratigraphy, biostratigraphy, continental drift, catalogs, bibliography, Continental Offshore Stratigraphic Test, cross sections, correlation, biozones, chemostratigraphy, chronostratigraphy, cyclostratigraphy, diachroni,

Structural Geology

allochthons, alpine-type features, bibliography, catalogs, faults, folds, foliation, fractures, geology, glossaries, inliers, lexicons, lineation, maps, orogeny, relaxation, stereographic projection, structural analysis, swells, tectonics,

Surficial Geology

geology, landform description, shallow aquifers, shallow depth, soils, surface textures, geomorphology, surficial geology maps,

Tectonophysics

asthenosphere, bibliography, continental drift, continental margin, convection, convection currents, core, core-mantle boundary, crust, crustal thinning, deformation, Earth, Earth tides, expanding Earth, faults, folds, foliation, fractures, geophysics, geosynclines, geotecto,