geology_terms ablation accelerator accessory accreted accretionary acicular aeromagnetic agglomeratic aggregate air-fall albite-twinned alkali alkalic alkaline allochthonous allotriomorphic alluvial alluvial-facies alluvial-fan alluvium alteration aluminous amalgamation amphibolitic amygdaloidal amygdaloids anastomosing anatectic andesitic anhedral annealed annealing anomaly anticline anticlinorium antidunes antiform aphanitic aphyric aplitic apophyses aquifer arenaceous argillaceous argillic argillitic argillized argon arkosic arsenic ash-fall ashflow ash-flow augen aureole authigenic autobrecciated autoclastic autoliths avalanche axes axis badlands ball-and-pillow band banded bank barren bars basaltic basement basin batholith batholithic bathyal beach bed bedded bedding bedrock bench biaxial bi-modal bioclastic biostratigraphy bioturbated bioturbation bipolar birdsfoot bituminous blastomylonitic block blocking blocky-weathering bloom bluff-forming bluffs boggy bombs bone bonnet books borehole boron boudinage boudinaged boudins boulder boundary boxwork brackish-water braided brecciated brecciation bridge brittle calc-alkaline calcareous calcic calcitic calcium caldera caliche cap carbonaceous carbonized cardium cast cataclasis cataclastic cataclysmic cauldron cauldron-filling cavernous cellular cement cemented center channel-fill channel-fill channels channelways chatoyant chemical cherty chevrons chill chilled-margin chilling chips chonchoidal-fracturing chromium chutes cinder cinder cone cirque cirques clast clastic clayey cleavage cleavages cleaved cliff coaly coarse-crystalline coarse-grained coarsely-crystalline coarser-grained cobble coeval collapse colluvial colluvium columnar columnar-jointed columns comagmatic comagmatically compaction complex compound-cooling concentration conchoidal conchoidal-fracturing conchoidally concordant concordantly concrete concretionary concretions cone-in-cone cone-shaped conformable contact contact-metamorphic contact-metamorphosed contact-parallel contemporaneous continuity contortion copper core complex correlate correlation correlations cosets coulee couples couplet cratonic cream creep crenulated crenulating crossbedded cross-bedded crossbedding crossbeds cross-beds crosscut cross-cut cross-cuts cross-cutting cross-laminae cross-laminated cross-laminations cross-section cross-stratification cross-stratified cryptocrystalline crystal crystalline crystallization crystallized crystalloblastic crystalloblasts cumulate current cut-and-fill cut-and-fill cyclic cyclical dacitic dating debris debris-flow deformation densely-welded deposit deposition depositional depositionally desiccation detachment detrital detritus deuteric devitrified dewatering diabasic-textured diagenetic diatomaceous diatreme differentially differentiate differentiated differentiates diggings dike dikelets dioritic dip disconformably disconformity discontinuity discontinuous discontinuously discordance discordant dish structure disharmonic dissected disseminated district disturbance dolomitic dome domelike domes dome-shaped down-dip down-faulted downslope down-slope dredging drift drill dropstones drop-stones ductile dune earth earthflow eddy ejecta-like embayment emplaced emplacement enclaves encrustations energy entablature eolian epizonal equant equigranular eroded eroding erosion erosional eruption eruptive escape eskers euhedral eutaxitic exfoliate exfoliated extension extensional extinct extinction extrabasinal extrusive fabric facies fan fanglomerate fault faulted faulting fauna faunal feather feeder feldspathic felsic felted felty Fe-oxide ferroan ferromagnesian ferromagnesium ferruginous fetid fibrous field fill filling fine-crystalline fined-grained fine-grained fine-laminated finer-grained fine-textured fining fining-upward fissile fission flaggy flakes flame structures flat-laminated floodplain flood-related floods floodwaters floras flow flow-banded flow-banding flow-breccia flow-laminated flow-layered flowtop fluid fluid-escape fluid-escape structures flute fluvial fluvioglacial fold folding foliate foliated foliation footwall foreland foreset formation formational fossiliferous fossilized fraction fracture fragment fragmental fresh fresh-water friable frost-heaved gabbroic garnetiferous gas gently-dipping geochemical geochemically geochemistry geochronology geologic geological geology geomorphic giant glacial glaciation glaciations glacier glacier-dammed glaciofluvial glaciogenic glaciolacustrine glass glassy glauconitic glomerocrysts gneissic gouge graben grade grain granitic granitized granoblastic granodioritic granofelsic granophyric granular granulation granule graphic graphitic gravel gravelly green-bed greenschist greenschist-facies greisen grit ground groundmass group growth grus grussy grusy-weathering gulch gypsiferous habit hackly heavy-mineral hematitic hematized heterogeneous high-grade hinges hogback holocrystalline homogeneous homogenization hoodoo horizon horizontal hornfels host hot hot-ash-flow hot-spring hummocky hydration hydrocarbon hydrothermal hydrothermally hypabyssal hypidiomorphic ice igneous imbricate imbricated impregnated incipiently incised inclusions indurated inequigranular informally inhomogeneous injection inlier interbedded interbeds intercalated intercalations interclasts interdigitating interference interfingered interfingers intergrown intergrowths interlayered interlayering interlayers interleaved interlensing intermediate-composition intermingled intermingling intermixed intermontane interstices interstitial interstratified intertidal intertongues intertonguing interval intrabasinal intraclast intraformational intrusion intrusive inverted iron iron-carbonate iron-cemented iron-stained island island-arc isochrons isoclinal isoclinally isograd isotope jointed jointing joints kame karst keratophyric kinked laccolith lacustrine lag lahar laharic lake-bed lakebeds laminae laminated lamination lamprophyre lamprophyric land landforms landslide landsliding lapilli late-growth lateral late-stage lath lathlike latitic lava layer layered layering lead leaf ledge lens lensoid lensoidal lenticles lenticular lenticularly lentils leucocratic leucosomes levees level lignitic limb limey limonitic lineament linear lineate lineated lineation listric lithic lithified lithofacies lithologic lithologically lithologies lithology lithophysae lithophysal lithostratigraphy lit-par-lit load lobate loess lower-grade lower-greenschist-facies low-grade luster macroscopic mafic magma magmatic magmatically magnesium magnetic magnetized magnetostratigraphic magnetotelluric major-element mammillary manganese mantle marker marl marlstone mass massive massive-bedded massively massive-weathering matrices matrix matrix-supported mats medium-grade medium-grained megacrystic megacrysts megaripples megascopically melanocratic melasomes melts meltwater member meta metacrysts metaflow metaigneous meta-igneous metallic metamorphic metamorphism metamorphosed metasedimentary metasomatic metasomatism metasomatized meta-ultramafic metavolcanic miarolitic micaceous microcrystalline microgranular micrographic microlaminae microlaminated microlites microperthitic microphenocrysts microvesicles middle-greenschist migmatitic migmatization migmatized mine mineral mineralization mineralized mineralogical mineralogically mineralogy mining moderately-foliated molar-tooth molybdenum monoliths monzodioritic monzogranitic moraine morphology mottling muck mud mudchip mud-chip mudcracked mud-cracked mudcracks muddy mudflow multicolored multilithologic muscovitic mylonitic mylonitization mylonitized mylontitic neck nodular nodules noncalcareous non-calcareous non-carbonate noncompacted nonconsolidated non-deposition nondesiccate nonfibrous non-foliate nonfoliated non-foliated nonlaminated non-mudcracked nonnvolcanic non-perthitic non-polygonal nonporphyritic non-porphyritic non-ribboned nonvolcaniclastic non-volcaniclastic norm obsidian octahedra oil oncolites ooids oolite oolitic opaque ophitic ore organic oscillation outburst outcrop outflow outlet outlier outpouring outwash overbank overgrowths overlain overlying overthrust overturned ovoids oxbow oxidation oxide oxide-cemented oxygenation paleobarometry paleokarst paleomagnetic paleomagnetism paleontologic paleosol paleovalleys paludal parallel-laminated parting peat pebble pediment pegmatitic pelitic pelletoidal pellets pendant pendants penecontemporaneous peraluminous perlitic permeability permeable petrified petrogenetically petrographically petrologic petrologically phaneritic phase phenocryst phosphatic phosphoria phyllonitic phyric piedmont-slope pillar pillow pillowed pilotaxitic pinch pinches pipes pisolites placer placered planar planar-bedded planar-laminated plane plane-laminated plant plateau plates platy-weathering pleochroic plug plunge pluton plutonic pod poikilitic poikiloblastic polarities polarity poorly-indurated porcelaneous porcellanitic porous porphryritic porphyries porphyritic porphyroblastic porphyroblasts porphyroclasts porphyry potassic potassium-argon powder product profile propylitized protoliths pseudoconglomerate pseudocrossbedding pseudohexagonal pseudomorphs ptygmatic ptygmatically pumiceous punky-weathering pyritic pyroclastic pyroclastics quaquaversally quarry quartzitic quartzofeldspathic quartzo-feldspathic quartzose quenched radiating radioactive radioactivity radiocarbon radiogenic ramparts rapakivi reactivation recrystallization recrystallized red-bed reduction refractory regolith relict remnant replacement reservoir residual residue resistance reversal reversed reworked rhyodacitic rhyolitic ribbon ribbon-laminated ridge-forming rifting rim rimmed rinds ring ripple ripple-cross ripple-cross-laminated rippled ripple-drift ripple-marked rip-ups rock rockfall rockslide-avalanches rods roof rosettes rotational rough-weathering round rounding roundstone rubble sags salic saline salt salt-and-pepper sample sampling sand sandier sandy saussuritized scabland scales scarps schistose schistosity schlieren scoriaceous scour scour-and-fill scoured scree screens seam sediment sedimentary sedimentation segregation seismic selvages semiconsolidated seriate sericitized serpentinized shaly shear sheared shearing shear-sense sheen sheet sheetlike sheetwash shelly shoreface shrinkage sieve-textured silica siliceous silicic siliciclastic silicified sill sillimanitic silt silty silver sinkholes sinter skarn slab slabby slackwater slag slate slice slickenside slide slip slope slope-wash sloping slump slumping sodium soft-sediment soil solid solifluction solution solution-brecciated solution-pitted specimen spheroidal spheroids spherulitic spur stage stains stock stone stoped stopes stoping straight-crested strain strata stratabound stratification stratified stratiform stratigraphic stratigraphically stratigraphy stratovolcano stream-deposited stream-laid striae strike striking stringers stromatolitic structural structurally structure structureless subaerial subangular sub-angular subaqueous subaqueously subequigranular subhedral submagmatic subophitic subtidal supergroup superjacent surface surficial susceptibility swales swarm swell syenitic syndeformational synform syngenetic synkinematic synorogenic syntectonic system tabular tailings talus tectonic tectonically tectonics terrace terraces terrain terrane terranes terrigenous thermal thermally thick-bedded thick-layered thin-bedded thinly-laminated thinly-layered tholeiitic thrust thrust-faulted till titanium tonalitic tongue tooth tors trace trace-element trachytic track translucent trench trondhjemitic trough trough-cross-bedded trunk tuffaceous tungsten tunnel turbidity ultramafic ultramylonitic unbrecciated unconformable unconformably unconformities unconformity unconsolidated uncracked undeformed underlain underlie underlying undersaturated undifferentiated unexposed unfoliated unmylonitized unroofing unsheared unstratified untwinned unweathered unzoned uplands uplift uplifted upright upward-fining upward-fining uralitic uranium-lead valley-fill valley-fill valley-filling variegated varved varves vein veined veinlets vent vesicles vesicular vitreous vitric vitrophyre vitrophyric void volcanic volcaniclastic volcanism volcanogenic vuggy vugs wacke water watercourses water-escape water-escape structures water-expulsion water-lain water-worked water-worn wavelengths wavy-bedded wavy-laminated wavy-parallel waxy-looking weather weathering wedge well-banded well-foliated well-indurated well-laminated well-layered well-lineated well-sorted well-stratified worm-eaten xenoblastic xenocrystic xenocrysts xenoliths zebra-striped zeolitized zonation zone zoned zoning