SUBJECT KEYWORDS: PHYSICAL SPHERE
  LAND KEYWORDS   MARINE KEYWORDS DEFINITIONS
lp I physical sphere mp I physical sphere  
GEOLOGY
lpg A geology mpg A geological oceanography  
lpgb 1 areal geology mpgb 1 areal geology surficial and bedrock mapping
lpge 2 economic geology mpge 2 economic geology  
lpgea a area resource evaluation      
lpgeh b history      
lpgeb c production      
lpgey d.1 commodities      
lpgec d.2 copper      
lpger d.3 granite      
lpgeg d.4 gravel, sand mpgeg a gravel, sand  
lpgei d.5 iron      
    mpgeo b oil  
lpgep d.6 peat      
lpgez d.7 zinc      
lpgex d.8 other commodities: abrasives, aggregate, alkalies, anorthosite, arsenic, asbestos, beryllium, carbonate rocks, cement, clays, coal, cobalt, columbium, diatomite, dolomite, feldspar, kyanite, limestone, lithium, manganese, marl, mica, molybdenum, nickel, pegmatites, pollucite, pyrite, pyrrhotite, quartz, rutile, slate, sulfur, talc, tantalum, tin, traprock,
uranium		 mpgex c other commodities: abrasives, aggregate, alkalies, anorthosite, arsenic, asbestos, beryllium, carbonate rocks, cement, clays, coal, cobalt, columbium, diatomite, dolomite, feldspar, kyanite, limestone, lithium, manganese, marl, mica, molybdenum, nickel, pegmatites, pollucite, pyrite, pyrrhotite, quartz, rutile, slate, sulfur, talc, tantalum, tin, traprock,
uranium		  
lpgd 3 engineering geology mpgd 3 engineering geology: coastal use of geologic materials in const,
lpgdh a highways, bridges      
lpgdr b rivers, dams      
lpgde c earthquakes      
lpgdm d materials mpgdm a materials incl. properties
lpgy 4 environmental geology mpgy 4 environmental geology  
lpgyc a conservation      
lpgyp b contamination, pollution      
lpgyh c geological hazardss      
lpgyl d land use planning      
lpgyr e reclamation      
lpgyw f waste disposal      
lpgc 5 geochemistry mpgc 5 geochemistry earth's chemical composition
lpgca a aqueous      
lpgce b exploration      
lpgcb c isotope      
lpgcc d mineral chemistry      
lpgco e organic      
lpgct f trace element      
lpgci g igneous      
lpgcm h metamorphic      
lpgcs i sedimentary      
lpgch j high temperature      
lpgcl k low temperature      
lpgr 6 geochronology, radiometric age mpgr 6 geochronology, radiometric age dating of rocks
lpgrg a glacial      
lpgri b igenous: plutonic, volcanic      
lpgrm c metamorphic      
lpgrs d sedimentary      
lpgrd e mineral      
lpgrw f whole rock      
lpgrc g C14      
lpgrf h fission track      
lpgrk i K/Ar      
lpgra j Ar/Ar      
lpgrr k Rb/Sr      
lpgrm l U/Pb      
lpgrz m zircon      
lpgf 7 geomorphology mpgf 7 geomorphology form of earth, relief features
lpgfe a erosional features mpgfe a erosional features  
lpgff b floods, flooding      
lpgfl c landscape, evolution      
lpgfm d mass wasting mpgfm b mass wasting  
lpgfp physiography: aeolian, bogs, fluvial, glacial, lacustrian mpgfp c physiography: coastal  
lpgh 8.1 seismology, earthquakes mpgh 8.1 sesimology, earthquakes  
lpgh 8.2 geophysical surveys, geophysics mpgh 8.2 geophysical surveys, geophysics earth physics
lpghe a exploration      
lpghp b paleomagnetism      
lpghs c solid earth geophysics      
lpght d types of geophysical surveys: electromagnetic, gravity, heat flow, magnetic (ground) mpght a types of geophysical surveys: magnetic: marine see also aeromagnetic surveys
lpga 8.3 aeromagnetic surveys      
lpgw 9 groundwater mpgw 9 groundwater see also types of geophysical surveys, hydrogeology incl. groundwater flow studies
lpgwb a bedrock aquifers: fracture permeability      
lpgws b surficial aquifers      
lpgwu c supply, use      
lpgwa d areal studies      
lpgwp e pollution, contamination      
lpgi 10 limnology      
lpgj 11 meteorites      
lpgm 12.1 mineralogy mpgm 10.1 mineralogy  
lpgmm a mineral chemistry      
lpgmc b mineral collecting      
lpgmp c phase equilibria      
lpgk 12.2 mineral localities      
lpgl 12.3 mineral species: albite, allanite, amblygonite, amethyst, andaluisite, anorthite, apatite, arsenic, augite, axinite, barite, bertrandite, beryl, beryllium, beryllonite, biotite, caesium, calcite, calcium, phosphate, cancrinite, childrenite, chlorite, chrysoberyl, cimolite, clays, cleavelandite, columbite, cookeite, corundum, damourite, dickensonite, eosphorite, epidote, feldspar, garnet, gedrite, gold, graftonite, graphite, grossularite, halite, hamlinite, herderite, idocrase, landsite, lepidomelane, lepidolite, litchfieldite, mica, microcline, microlite, molybdenite, muscovite, nepheline, olivin, petalite, phenacite, pollucite, pyroxene, pyrrhotite, quartz, scheelite, schorlite sillimanite, sodalite, spodumene, staurolite, stibiotantalite, tantalite, tin mineralization, topaz, tourmaline, triphyllite, vesuvianite, zircon mpgl 10.2 mineral species: albite, allanite, amblygonite, amethyst, andaluisite, anorthite, apatite, arsenic, augite, axinite, barite, bertrandite, beryl, beryllium, beryllonite, biotite, caesium, calcite, calcium, phosphate, cancrinite, childrenite, chlorite, chrysoberyl, cimolite, clays, cleavelandite, columbite, cookeite, corundum, damourite, dickensonite, eosphorite, epidote, feldspar, garnet, gedrite, gold, graftonite, graphite, grossularite, halite, hamlinite, herderite, idocrase, landsite, lepidomelane, lepidolite, litchfieldite, mica, microcline, microlite, molybdenite, muscovite, nepheline, olivin, petalite, phenacite, pollucite, pyroxene, pyrrhotite, quartz, scheelite, schorlite sillimanite, sodalite, spodumene, staurolite, stibiotantalite, tantalite, tin mineralization, topaz, tourmaline, triphyllite, vesuvianite, zircon  
lpgp 13 paleontology mpgp 11 paleontology fossils
lpgpa a animal paleontology mpgpa a animal paleontology  
lpgpai (1) invertebraet: fauna, annelids, brachiopods, conodonts, corals, crinoids, foraminifera, gastropods, graptolites, ostracods, pelecypods, trilobites      
lpgpav (2) vertebrate      
lpgpp b plant paleontology: Mapleton Formation, Perry Formation, Trout Valley Formation mpgpp b plant paleontology  
lpgn 14 petrology mpgn 12 petrology origin or formation of rocks
lpgni a igneous      
lpgnip (1) plutonic: granite, diorite, granodiorite, gabbro, syenite      
lpgniv (2) volcanic: rhyolite, dacite, andesite, basalt, pyroclastic      
lpgnia (3) alkaline      
lpgnid (4) dikes      
lpgnie (5) emplacement      
lpgnii (6) inclusions      
lpgnib (7) pegmatites      
lpgnic (8) phase equilibria      
lpgniu (9) ultramafic      
lpgnm b metamorphic      
lpgnmc (1) contact      
lpgnmr (2) regional      
lpgnmm (3) metaigneous      
lpgnmb (4) basic      
lpgnma (5) calcareous      
lpgnmd (6) carbonaceous      
lpgnmp (7) pelitic      
lpgnmq (8) quartzofeldspathic      
lpgnms (9) sulfidic      
lpgnmt (10) geothermometry      
lpgnmg (11) geobarometry      
lpgnmt (12) migmatites, migmatization      
lpgnmh (13) mylonites, cataclasites      
lpgnmi (14) mineralogy      
lpgnme (15) phase equilibria      
lpgnmj (16) process      
lpgns c sedimentary      
lpgnsc (1) carbonates      
lpgnsd (2) diagenesis      
lpgnsf (3) flysch      
lpgnsg (4) geochemistry      
lpgnsm (5) mineralogy      
lpgnsa (6) molasse      
lpgnsq (7) quaternary sedimentation      
lpgnsr (8) recent sedimentation      
lpgnst (9) turbidites      
lpgx 15.1 quaternary geology: mpgx 13.1 quaternary geology  
lpgg 15.2 glacial geology mpgg 13.2 glacial geology  
lpggb a advance, readvance      
lpgga b absolute ages      
lpggd c deposits: drift, ice contact, lacustrian, marine, outwash, till      
lpggf d features: cirques, deltas, drumlins, erratics, eskers, moraines (end, lateral, rogen, degeer), striations      
lpggh e history      
lpggi f isostasy, rebound      
lpggs g sedimentation      
lpggc h stratigraphy      
lpggr i recession      
lpgo 15.3 post-glacial geology mpgo 13.3 post-glacial geology  
lpgod a deposits: fluvial, lacustrial mpgod a deposits: coastal, marine  
lpgos b sedimentation mpgos b sedimentation  
lpgoc c stratigraphy      
    mpgol c sea level changes  
    mpgu 14 shore studies  
    mpguc a coastal: erostion, evolution erosion incl. seawalls
    mpgud b deposits: beach, clays, gravels, salt marshes  
lpgs 16 stratigraphy mpgs 15 stratigraphy strata of different ages
lpgsp a post-glacial      
lpgsg b glacial      
lpgsm c mesozoic      
lpgsc d carboniferous      
lpgsd e devonian      
lpgss f silurian      
lpgso g ordovician      
lpgsa h cambrian      
lpgsb i pre-silurian      
lpgse j pre-cambrian      
lpgsf k formation      
lpgsr l regional      
lpgq 17 structural geology mpgq 16 structural geology such features as folds, faults
lpgqr a regional      
lpgqf b faulting      
lpgqa c folding      
lpgqi d igneous      
lpgqj e jointing      
lpgqs f minor structures, fabric      
lpgqm g mylonites      
lpgt 18 tectonics mpgt 17 tectonics  
lpgtp a paleozoic      
lpgtm b mesozoic      
lpgtn c neotectonics      
lpgta d penobscot orogeny      
lpgtt e taconic orogeny      
lpgts f salinic disturbance      
lpgtc g acadian/caledonian orogeny      
lpgth h allegehenian/hercynian orogeny      
lpgz 19 miscellaneous geology mpgz 18 miscellaneous geology  
SOILS
lps B soils, sediments mps B sediments  
lpss 1 sedology: soil genesis, soil classification, sediment classification, soil interpretation, soil surveys, soil mapping mpss 1 sediment classification, sediment distribution  
lpsc 2 soil chemistry, sediment chemistry mpsq 2 sediment quality incl. soil quality, sediment chemistry; sediment oxygen demand; temperature
lpsp 3 soil physics, sediment physics mpsp 3 sediment physics incl. infiltration
lpsf 4 soil fertility      
lpsm 5 soil mechanics     engineering data on soils
lpsb 6 sediment movement mpsb 4 sediment movement: sediment budget, sediment transport, sediment accumulation  
GEOGRAPHY
lpl C geography mpl C geographic oceanography land character
lplg 1 geodesy, topography, slopes, elevations mplg 1 geodesy, topography, slopes, elevations geodesy: determination of exact points or areas on earth's surface; mapping
lplw 2 fresh water wetlands, bogs mplw 2 salt water wetlands such as marshes
    mplr 3 rocky coast incl. tidepools
    mpll 4 ledges  
lplp 3 beaches mplb 5 beaches incl. dunes
    mplm 6 mud flats, tidal flats  
    mple 7 estuaries USED OFTEN; tidewater sections of rivers
    mply 8 bays  
lpli 4 islands mpli 9 islands  
lpla 5 peninsulas      
    mplo 10 continental shelf, open ocean  
    mpls 11 continental slope  
lplb 6 barren lands, outcrops      
lplm 7 mountains      
lplh 8 hills      
lply 9 valleys, gorges      
WATER CHARACTER
lpp D water character mpp D physical oceanography  
lppb 1 bathymetry mppb 1 bathymetry depth to bottom; incl. short term sea level rise
lppt 2 temperature mppt 2 temperature  
lpph 3 hydrology, hydrography mppc 3 currents, tides hydrology: flow, river runoff; hydrography incl. morphology, morphometry
lppf 4 floods, flood plains mppf 4 floods  
lppr 5 rivers, rapids, waterfalls     rivers USED OFTEN; incl. streams
lppl lakes       lakes USED OFTEN; incl. ponds
lppw 7 watersheds     used when basins are defined
lppi 8 ice mppi 5 ice incl. snow on the ground
lppe 9 evaporation mppe 6 evaporation incl. evapotransporation
lppp 10 pressure mppp 7 pressure  
    mppd 8 density Sigma-T
    mpps 9 surf, waves  
    mppa 10 acoustics, optics  
WATER CHEMISTRY
lpc E water chemistry mpc E chemical oceanography  
lpco 1 dissolved oxygen mpco 1 dissolved oxygen  
lpcp 2 ph, alkalinity, acidity mpcp 2 ph, alkalinity, acidity alkalinity: HCO3
lpcr 3 eh mpcr 3 eh oxidation-reduction potentials; redox potential
lpcc 4 conductivity mpcc 4 conductivity incl. specific conductance
lpcs 5 total solids mpcs 5 total solids incl. suspended/dissolved solids (cf. water quality)
lpch 6 hardness      
lpcn 7 nitrate (NO3) mpcn 6 nitrate (NO3) see also: water quality
lpcb 8 nitrite (NO2) mpcb 7 nitrite (NO2) see also: water quality
lpcd 9 phosphorus (P) mpcd 8 phosphorus (P) see also: water quality
lpce 10 salinity mpce 9 salinity  
lpcz 11 other water chemistry parameters: aluminum Al; amino acid; ammonia NH3; ammonia nitrogen N/NH3; ammonium ion NH4; arsenic As; bicarbonate HCO3; boron B; bromine Br; cadmium Cd; calcium Ca; carbon C; carotenoids; chloride Cl-; chlorine Cl; chlorophyll a b c; chromic Cr(3+); chromium Cr; chromous Cr(2+); cobalt Co; copper Cu; dissolved carbon dioxide; fluoride; fluorine F; hydrogen H; inorganic carbon; inorganic nitrogen; iodine I; iron Fe; lead Pb; magnesium Mg; manganese Mn; mercury Hg; methane CH4; molybdenum; nickel Ni; nitrate nitrogen NO3-; nitrite nitrogen NO2-; nitrogen N; nitrogen dioxide NO2; organic carbon; dissolved organic carbon DOC; organic nitrogen; orthophosphate H2PO4- HPO4(2-) PO4(3-); phaeophytin; phosphate PO4(3-); potassium K; radon; selenium; silica SiO2; silicate SiO4(4-); silicon Si; silver Ag; sodium Na; strontium Sr; sulfate SO4(2-); sulfate sulfur SO4-S; sulfide; sulfur S; tin; titanium; uranium U; vanadium V; zinc Zn; zirconium mpcz 10 other water chemistry parameters: aluminum Al; amino acid; ammonia NH3; ammonia nitrogen N/NH3; ammonium ion NH4; arsenic As; bicarbonate HCO3; boron B; bromine Br; cadmium Cd; calcium Ca; carbon C; carotenoids; chloride Cl-; chlorine Cl; chlorophyll a b c; chromic Cr(3+); chromium Cr; chromous Cr(2+); cobalt Co; copper Cu; dissolved carbon dioxide; fluoride; fluorine F; hydrogen H; inorganic carbon; inorganic nitrogen; iodine I; iron Fe; lead Pb; magnesium Mg; manganese Mn; mercury Hg; methane CH4; molybdenum; nickel Ni; nitrate nitrogen NO3-; nitrite nitrogen NO2-; nitrogen N; nitrogen dioxide NO2; organic carbon; dissolved organic carbon DOC; organic nitrogen; orthophosphate H2PO4- HPO4(2-) PO4(3-); phaeophytin; phosphate PO4(3-); potassium K; radon; selenium; silica SiO2; silicate SiO4(4-); silicon Si; silver Ag; sodium Na; strontium Sr; sulfate SO4(2-); sulfate sulfur SO4-S; sulfide; sulfur S; tin; titanium; uranium U; vanadium V; zinc Zn; zirconium  
METEOROLOGY
lpm F meteorology mpm F meteorology  
lpmc 1 climatology mpmc 1 climatology incl. air temp, wind, sky cover, visibility, pressure, humidity, solar radiation, degree days
lpmh 2 hurricanes, storms mpmh 2 hurricanes, storms  
lpmp 3 precipitation, acid rain mpmp 3 precipitation, acid rain incl. drought, fog