September 6, 2013
January 1, 1993
LUNAR AND PLANETARY EXPLORATION
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Related Records19940007592Analytic SubsidiaryThermal studies of Martian channels and valleys using Termoskan data19940007613Analytic SubsidiaryK/T spherules from Haiti and Wyoming: Origin, diagenesis, and similarity to some microtektites19940007772Analytic SubsidiaryChondrites, S asteroids, and space weathering: Thumping noises from the coffin?19940007694Analytic SubsidiaryCarbon and nitrogen in Type 2 supernova diamonds19940007785Analytic SubsidiaryCronstedtite and iron sulfide mineralogy of CM-type carbonaceous chondrites from cryogenic Moessbauer spectra19940008681Analytic SubsidiaryMeasuring quality progress19940008682Analytic SubsidiaryDefining the performance gap: Conducting a self-assessment19940008683Analytic SubsidiaryWhat's the bottom line payback for TQM?19940008684Analytic SubsidiaryPartnership with the customer19940008685Analytic SubsidiaryStrategic planning as a focus for continuous improvement. A case study19940008686Analytic SubsidiaryThe power of cross-functional teams in driving total quality19940007703Analytic SubsidiaryPower-law confusion: You say incremental, I say differential19940007742Analytic SubsidiaryThe correlation of alkalis and aluminum during high-temperature volatilization of albite and nepheline19940007660Analytic SubsidiaryVolatiles in fourteen interplanetary dust particles: A comparison with CI and CM chondrites19940007663Analytic SubsidiaryThe giant impact produced a precipitated Moon19940007775Analytic SubsidiaryTerrestrial case studies of ilmenite exploration and lunar implications19940008687Analytic SubsidiarySpacecraft COst REduction Team (SCORE): TQM/CI on a massive scale19940008688Analytic SubsidiaryObject-oriented productivity metrics19940008689Analytic SubsidiaryKennedy Space Center's NASA/Contractor Team-Centered Total Quality Management Seminar: Results, methods, and lessons learned19940008690Analytic SubsidiaryHere's the beef: A case study in organizational transformation19940008691Analytic SubsidiaryBuilding a quality culture in the Office of Space Flight: Approach, lessons learned and implications for the future19940008692Analytic SubsidiaryNASA Johnson Space Center: Total quality partnership19940008693Analytic SubsidiaryShared visions: Partnership of Rockwell International and NASA Cost Effectiveness Enhancements (CEE) for the space shuttle system integration program19940008694Analytic SubsidiaryTeamwork for Oversight of Processes and Systems (TOPS). Implementation guide for TOPS version 2.0, 10 August 199219940008695Analytic SubsidiaryNASA/contractor partnership on the second TDRSS ground terminal program: Breaking barriers19940008696Analytic SubsidiaryGovernment/contractor partnerships for continuous improvement. A Goddard Space Flight Center example19940007767Analytic SubsidiaryThe Xe-Q in lodranites and a hint for Xe-L. FRO90011 another lodranite?19940007763Analytic SubsidiaryComposition of the Martian aerosols through near-IR spectroscopy19940007792Analytic SubsidiaryPrimitive SNC parent magmas and crystallization: Low PH2O experiments19940007701Analytic SubsidiaryGraphite solubility and co-vesiculation in basalt-like melts at one-ATM19940007724Analytic SubsidiaryRegional mantle upwelling on Venus: The Beta-Atla-Themis anomaly and correlation with global tectonic patterns19940007557Analytic SubsidiaryInterstellar graphite in Murchison: Continued search for isotopically distinct components19940007611Analytic SubsidiaryAr-39 - Ar-40 ages of acapulcoites and lodranites: Evidence for early parent body heating19940007606Analytic SubsidiaryUsing solar flare track densities to determine the origin of interplanetary dust particles19940007736Analytic SubsidiaryThe Fe/Mn constraint on precursors of basaltic achondrites19940007600Analytic SubsidiaryStable isotope analyses of the peralkaline volcanics Gregory Rift Valley, Kenya19940007719Analytic SubsidiaryAnomalous REE patterns in unequilibrated enstatite chondrites: Evidence and implications19940007732Analytic SubsidiaryCharacteristics of arachnoids from Magellan data19940007791Analytic SubsidiaryMass and spatial distribution of carbonaceous component in Comet Halley19940007666Analytic SubsidiaryStratigraphy and sedimentology of the K/T boundary deposit in Haiti19940007574Analytic SubsidiaryEstimation of age of Dali-Ganis rifting and associated volcanic activity, Venus19940007569Analytic SubsidiaryReconstruction of the dynamics of the 1800-1801 Hualalai eruption: Implications for planetary lava flows19940007718Analytic SubsidiaryVolcanism in southern Guinevere Planitia, Venus: Regional volcanic history and morphology of volcanic domes19940007676Analytic SubsidiaryBasal scarp, paleoglacier, and fissure flows of Elysium Mons, Mars19940007614Analytic SubsidiaryThe solubility of gold in silicate melts: First results19940007584Analytic SubsidiaryPetrography and preliminary interpretations of the crystalline breccias from the Manson M-1 core19940007586Analytic SubsidiaryThe great 8 MA event and the structure of the H-chondrite parent body19940007698Analytic SubsidiaryThe thermodynamic case for a water-rich Mars19940007589Analytic SubsidiaryMetallographic cooling rates of L-group ordinary chondrites19940007555Analytic SubsidiaryGeneral overview of an integrated lunar oxygen production/brickmaking system19940007605Analytic SubsidiaryUsing high spectral resolution spectrophotometry to study broad mineral absorption features on Mars19940007670Analytic SubsidiaryMetal-rich meteorites from the aubrite parent body19940007588Analytic SubsidiaryNatural thermoluminescence profiles in lunar cores and implications for meteorites19940007638Analytic SubsidiaryThe spectral effects of subsolidus reduction of olivine and pyroxene19940007741Analytic SubsidiaryDisk-resolved spectral characteristics of Saturn's medium-sized satellites19940007730Analytic SubsidiarySmall volcanoes in Tempe Terra, Mars: Their detailed morphometry and inferred geologic significance19940007593Analytic SubsidiarySpectral analysis of the gravity and topography of Mars19940007700Analytic SubsidiaryRemanent magnetism of HED meteorites: Implications for their evolution and ancient magnetic fields19940007759Analytic SubsidiaryMicro-zoning in minerals of a Landes silicate inclusion19940007680Analytic SubsidiaryLunar Scout Two spacecraft gravity experiment19940007789Analytic SubsidiaryDepletions of sulfur and/or zinc in IDPs: Are they reliable indicators of atmospheric entry heating?19940007550Analytic SubsidiarySearch for effects of a supernova explosion 30 to 40 thousand years ago in chondrites19940007625Analytic SubsidiaryCompositional and textural information from the dual inversion of visible, near and thermal infrared remotely sensed data19940007621Analytic SubsidiaryAge of Popigai impact event using the Ar-40 - Ar-39 method19940007762Analytic SubsidiaryAutomatic definition of spectral units in the equatorial regions of Mars19940007690Analytic SubsidiaryFirst results of the seven-color asteroid survey19940007713Analytic SubsidiaryGeomorphology of Triton's polar materials19940007598Analytic SubsidiaryReflectance spectra of sulfate-and carbonate-bearing Fe(3+)-doped montmorillonites as Mars soil analogs19940007722Analytic SubsidiarySynthesis of global thematic mapping, Venus: Geologic correlations/questions for the Magellan gravity mission19940007714Analytic SubsidiaryPorosity and the ecology of icy satellites19940007774Analytic SubsidiaryThe rate of chemical weathering of pyrite on the surface of Venus19940007696Analytic SubsidiaryMars: The initial emplacement of ground ice in response to the thermal evolution of its early crust19940007633Analytic SubsidiaryChondrite thermal histories from Low-CA pyroxene microstructures: Autometamorphism versus prograde metamorphism revisited19940007754Analytic SubsidiaryRecondensation of chondritic material in the early solar system: Results of thermodynamic simulation19940007779Analytic SubsidiaryMeasuring and distinguishing compositional and maturity properties of lunar soils by remote VIS-NIR spectroscopy19940007571Analytic SubsidiaryIncreased depth-diameter ratios in the Medusae Fossae Formation deposits of Mars19940007617Analytic SubsidiaryChondrule formation by clumpy accretion onto the solar nebula19940007657Analytic SubsidiaryVenus mountain-top mineralogy: Misconceptions about pyrite as the high radar-reflecting phase19940007612Analytic SubsidiaryArroyo el Mimbral, Mexico, K/T unit: Origin as debris flow/turbidite, not a tsunami deposit19940007563Analytic SubsidiaryCarbon in weathered ordinary chondrites from Roosevelt County19940007579Analytic SubsidiaryNitrogen and noble gases in a glass sample from LEW8851619940007671Analytic SubsidiaryWhy convective heat transport in the solar nebula was inefficient19940007672Analytic SubsidiaryFault geometries and extension in the Valles Marineris, Mars19940007545Analytic SubsidiaryProduction of electronic grade lunar silicon by disproportionation of silicon difluoride19940007622Analytic SubsidiaryMinor and trace element composition and age of Yukon probable-microtektites19940007635Analytic SubsidiaryMartian particle size based on thermal inertia corrected for elevation-dependent atmospheric properties19940007559Analytic SubsidiaryLineament analysis and tectonic interpretation for the Tharsis region19940007784Analytic SubsidiaryThe fractionation of noble gases in diamonds of CV3 Efremovka chondrite19940007566Analytic SubsidiaryThe Los Alamos neutron spectrometer for the Lunar Scout-1 mission19940007572Analytic SubsidiaryBehavior of vortices generated by an advancing ejecta curtain in theory, in the laboratory, and on Mars19940007553Analytic SubsidiaryCalorimetric thermometry of meteoritic troilite: A feasibility study19940007594Analytic SubsidiaryGlobal organization of tectonic deformation on Venus19940007708Analytic SubsidiaryGeologic history of central Chryse Planitia and the Viking 1 landing site, Mars19940007727Analytic SubsidiaryIron and nickel isotopic mass fractionation in deep-sea spherules19940007684Analytic SubsidiaryThermal-infrared emission spectroscopy of natural surfaces: Application to coated surfaces19940007721Analytic SubsidiaryThe Magellan volcanic and magmatic feature catalog19940007737Analytic SubsidiaryCompositional heterogeneity within a dumbbell-shaped Apollo 15 green glass: Evidence for simultaneous eruption of different magmas19940007556Analytic SubsidiaryThermodynamics of lunar ilmenite reduction19940007642Analytic SubsidiaryDetermining the relative extent of alteration in CM chondrites19940007675Analytic SubsidiaryCratering on Gaspra19940007641Analytic SubsidiaryViscous relaxation of the Moho under large lunar basins19940007664Analytic SubsidiaryGeology and surface characteristics of Bell Regio, Venus19940007583Analytic SubsidiaryChanges in Hawaiian palagonite FE mineralogy associated with thermal alteration: Implications for Mars19940007709Analytic SubsidiaryMacroscopic electric charge separation during hypervelocity impacts: Potential implications for planetary paleomagnetism19940007793Analytic SubsidiaryPhase transitions and 2D spherical convection in a large icy satellite19940007601Analytic SubsidiaryTh-230 - U-238 series disequilibrium of the Olkaria basalts Gregory Rift Valley, Kenya19940007634Analytic SubsidiarySXRF determination of trace elements in chondrule rims in the unequilibrated CO3 chondrite, ALH A7730719940007656Analytic SubsidiaryChemical weathering on Mars: Rate of oxidation of iron dissolved in brines19940007632Analytic SubsidiaryCarbonaceous chondrite clasts in the Kapoeta howardite19940007689Analytic SubsidiaryKT boundary impact glasses from the Gulf of Mexico region19940007655Analytic SubsidiarySources of Na for the Io atmosphere19940007786Analytic SubsidiaryNMR spectroscopy of experimentally shocked single crystal quartz: A reexamination of the NMR shock barometer19940007548Analytic SubsidiaryDispersion of the ratios of cosmogenic isotopes of noble gases in chondrites of different cosmic-ray exposure ages19940007674Analytic SubsidiaryOxygen isotopes as tracers of tektite source rocks: An example from the Ivory Coast tektites and Lake Bosumtwi Crater19940007668Analytic SubsidiaryPreliminary report of lunar observations by the Near-Infrared Mapping Spectrometer (NIMS) during the second Galileo Earth-Moon encounter19940007734Analytic SubsidiaryCathodoluminescence properties of components in enstatite chondrites19940007717Analytic SubsidiaryModel of optical scatter from microimpacts on the Hubble Telescope19940007607Analytic SubsidiarySpectral and multispectral imaging studies of lunar mantled mare deposits19940007794Analytic SubsidiaryDo large impact basins in the southern hemisphere of Mars control the distribution of polar structures and deposits?19940007624Analytic SubsidiaryTrace-element abundances in several new ureilites19940007626Analytic SubsidiaryUnequilibrated, equilibrated, and reduced aggregates in anhydrous interplanetary dust particles19940007639Analytic SubsidiaryThe 1.2 to 3.5 microns observations of asteroid 4179 Toutatis19940007573Analytic SubsidiaryMineralogy of chondritic interplanetary dust particle impact residues from LDEF19940007549Analytic SubsidiaryPeculiarities of distributions of the cosmic-ray exposure ages of H chondrite falls and finds19940007776Analytic SubsidiaryMorphotectonics of Venus19940007752Analytic SubsidiaryDevelopment of a molecular beam technique to study early solar system silicon reactions19940007691Analytic SubsidiarySimulation of possible regolith optical alteration effects on carbonaceous chondrite meteorites19940007595Analytic SubsidiaryVenus' center of mass - center of figure displacement and implications19940007659Analytic SubsidiaryThe origin of Venusian channels: Modelling of thermal erosion by lava19940007687Analytic SubsidiaryImpact comminution of glasses: Implications for lunar regolith evolution19940007677Analytic SubsidiaryShock induced reaction in Chicxulub target materials (CaSO4 and SiO2) and their relation to extinctions19940007610Analytic SubsidiaryNoble gases in LEW88516 shergottite: Evidence for exposure age pairing with ALH7700519940007728Analytic SubsidiaryTrace element distributions in primitive achondrites19940007544Analytic SubsidiaryMoessbauer spectroscopy of the SNC meteorite Zagami19940007726Analytic SubsidiaryGalileo EM-2 contributions to the lunar control network19940007623Analytic SubsidiaryA structural origin for the cantaloupe terrain of Triton19940007609Analytic SubsidiaryPreliminary results of Mn partitioning experiments on Murchison analogues19940007575Analytic SubsidiaryRegional geology of the Vega landing sites: Tentative results of photogeologic mapping19940007765Analytic SubsidiaryRe-Os dating of 3AB iron meteorites19940007619Analytic SubsidiaryImpact mineralogy and chemistry of the cretaceous-tertiary boundary at DSDP site 57619940007658Analytic SubsidiaryBuoyant subduction on Venus: Implications for subduction around coronae19940007723Analytic SubsidiaryLarge volcanoes on Venus: Examples of geologic and structural characteristics from different classes19940007564Analytic SubsidiaryEjecting basaltic achondrites from Vesta: Hydrodynamical impact models19940007685Analytic SubsidiaryCollisions of small Spacewatch asteroids with the Earth19940007725Analytic SubsidiaryThe granulite suite: Impact melts and metamorphic breccias of the early lunar crust19940007552Analytic SubsidiaryEffects of microscopic iron metal on the reflectance spectra of glass and minerals19940007646Analytic SubsidiaryCan weak crust explain the correlation of geoid and topography on Venus?19940007693Analytic SubsidiaryRemote sensing x ray fluorescence spectrometry for future lunar exploration missions19940007783Analytic SubsidiaryThe carbon isotopic composition of Novo Urei diamonds19940007755Analytic SubsidiaryAnalytic expression for epithermal neutron spectra amplitudes as a function of water content19940007578Analytic SubsidiaryApollo 16 core 60013/14 as a product of path 1 and path 2 regolith evolution processes19940007711Analytic SubsidiarySeparation of spallation and terrestrial C-14 in chondrites19940007662Analytic SubsidiarySpatial variation in the seasonal south polar cap of Mars as observed by Mariner 719940007747Analytic SubsidiaryPolarity reversals and tilt of the Earth's magnetic dipole19940007629Analytic SubsidiaryMineralogy versus bulk composition of the carbonaceous chondrite clast Kaidun 219940007768Analytic SubsidiaryOn the origin of (4)He and (40)Ar in natural gold19940007630Analytic SubsidiaryA structural and petrographic investigation of the pretoria saltpan impact structure19940007602Analytic SubsidiaryTh-230 - U-238 series disequilibrium of the Olkaria basalts Gregory Rift Valley, Kenya: Petrogenesis19940007760Analytic SubsidiarySolar wind-induced secondary ions and their relation to lunar surface composition19940007628Analytic SubsidiaryModern shelf ice, equatorial Aeolis Quadrangle, Mars19940007757Analytic SubsidiaryExploration planning in the context of human exploration and development of the Moon19940007750Analytic SubsidiaryPrecession of Uranus and Neptune and their magnetic field19940007590Analytic SubsidiaryExplicit 3D continuum fracture modeling with smooth particle hydrodynamics19940007596Analytic SubsidiaryThe asteroid-meteorite connection: Forging a new link to Vesta as the parent body of basaltic achondrite (HED) meteorites19940007577Analytic SubsidiaryInterpretation of lunar and planetary electromagnetic scattering using the full wave solutions19940007678Analytic SubsidiaryLEW88516 and SNC meteorites19940007745Analytic SubsidiaryDoes the thermal wind exist near the Earth's core boundary?19940007705Analytic SubsidiaryFlash melting of chondrule precursors in excess of 1600 C. Series 1: Type 2 (B1) chondrule composition experiments19940007616Analytic SubsidiaryMidplane temperatures in the solar nebula19940007751Analytic SubsidiaryDust in the Martian atmosphere: Polarimetric sensing19940007695Analytic SubsidiaryMeasurement of polycyclic aromatic hydrocarbon (PAHs) in interplanetary dust particles19940007587Analytic SubsidiaryMeteorites from recent amor-type orbits19940007764Analytic SubsidiaryGiant radiating dyke swarms on Earth and Venus19940007770Analytic SubsidiaryMoessbauer spectrometer for mineralogical analysis of the Mars surface: Moessbauer source considerations19940007665Analytic SubsidiaryLava flows on Venus: Analysis of motion and cooling19940007591Analytic SubsidiaryComposition and modal frequencies of hypervelocity particles less than 1 millimeter in diameter in low-Earth orbit19940007570Analytic SubsidiaryHorizontal stresses induced by vertical processes in planetary lithospheres19940007683Analytic SubsidiaryA simple model of clastic sediments on Mars19940007766Analytic SubsidiaryModelling of dispersal and deposition of impact glass spherules from the Cretaceous-Tertiary boundary deposit19940007720Analytic SubsidiaryComparison of the distribution of large magmatic centers on Earth, Venus, and Mars19940007615Analytic SubsidiarySi-29 NMR spectroscopy of naturally-shocked quartz from Meteor Crater, Arizona: Correlation to Kieffer's classification scheme19940007679Analytic SubsidiaryThe Th and U abundances in chondritic meteorites19940007782Analytic SubsidiaryOn possibility of diamond formations in radiation process19940007562Analytic SubsidiaryMarslink19940007740Analytic SubsidiaryIsotopic and trace element characteristics of an unusual refractory inclusion from Essebi19940007686Analytic SubsidiaryDifferential scaling: Implications for central structures in large lunar craters19940007581Analytic SubsidiaryA comparison of telescopic and Phobos-2 ISM spectra of Mars in the short-wave near-infrared (0.76-1.02 microns)19940007608Analytic SubsidiaryStrontium and oxygen isotope study of M-1, M-3 and M-4 drill core samples from the Manson impact structure, Iowa: Comparison with Haitian K-T impact glasses19940007554Analytic SubsidiaryCold press sintering of simulated lunar basalt19940007661Analytic SubsidiaryAn ancient inner lake in Maadim Vallis19940007576Analytic SubsidiaryRegional geology of the Venera landing sites: Tentative results of photogeologic mapping19940007743Analytic SubsidiaryA CM chondrite cluster and CM streams19940007758Analytic SubsidiaryPrimordial lightning: Evidence preserved in chondrites19940007787Analytic SubsidiaryOrganic matter on the early surface of Mars: An assessment of the contribution by interplanetary dust19940007669Analytic SubsidiaryDistribution of vanadium and melting of opaque assemblages in Efremovka CAI's19940007780Analytic SubsidiaryDiamond thermoluminescence properties of different chondrites19940007756Analytic SubsidiaryNoble gas evidence of an aqueous reservoir near the surface of Mars more recently than 1.3 Ga19940007744Analytic SubsidiaryRelation between ages and elevations of Martian channels19940007761Analytic SubsidiaryA new carbon-rich phase (COPS) in Antarctic micrometeorites19940007778Analytic SubsidiaryAssimilation in lunar basalts and volcanic glasses: Implications for a heterogenous mantle source region19940007707Analytic SubsidiaryUsing lunar sounder imagery to distinguish surface from subsurface reflectors in lunar highlands areas19940007699Analytic SubsidiaryOlivine-rich asteroids, pallasitic olivine and olivine-metal mixtures: Comparisons of reflectance spectra19940007645Analytic SubsidiaryThe EET87513 clast N: A CM2 fragment in an HED polymict breccia19940007729Analytic SubsidiaryDeviations from the straight line: Bumps (and grinds) in the collisionally evolved size distribution of asteroids19940007704Analytic SubsidiaryThe experimental production of matrix lumps within chondrules: Evidence of post-formational processes19940007749Analytic SubsidiaryOn the unique structure of the magnetic fields of Uranus and Neptune19940007688Analytic SubsidiaryMicrotektite-like glass spherules in Late Devonian (367 MA) shales19940007790Analytic SubsidiaryNew low-Ni (igneous?) particles among the C and C? types of cosmic dust19940007551Analytic SubsidiaryMorphology of large impact craters and basins on Venus: Implications for ring formation19940007710Analytic SubsidiaryRhenium-osmium isotope systematics of Group 2A and Group 4A iron meteorites19940007667Analytic SubsidiaryGalileo/NIMS near-infrared thermal imagery of the surface of Venus19940007682Analytic SubsidiaryFractal dimensions of rampart impact craters on Mars19940007716Analytic SubsidiaryPost-impact alteration of the Manson impact structure19940007652Analytic SubsidiaryHow diverse is the asteroid belt?19940007681Analytic SubsidiaryMission to the Moon: An ESA study on future exploration19940007631Analytic SubsidiaryGeophysical signature of the Pretoria saltpan impact structure and a possible satellite crater19940007599Analytic SubsidiaryThe effects of atmospheric pressure on infrared reflectance spectra of Martian analogs19940007769Analytic SubsidiaryProjectile-target mixing in melted ejecta formed during a hypervelocity impact cratering event19940007597Analytic SubsidiaryAlkali-granitoids as fragments within the ordinary chondrite Adzhi-Bogdo: Evidence for highly fractionated, alkali-granitic liquids on asteroids19940007561Analytic SubsidiaryMeasurements of cosmogenic nuclides in lunar rock 6445519940007735Analytic SubsidiaryClassification of Martian deltas19940007637Analytic SubsidiaryA reexamination of amino acids in lunar soil19940007603Analytic SubsidiaryTh-230 - U-238 series disequilibrium of the Olkaria rhyolites Gregory Rift Valley, Kenya: Petrogenesis19940007567Analytic SubsidiaryVaporization by shock loading of albite, jadeite, and pyrex glass: Experimental study19940007582Analytic SubsidiaryAn observational search for CO2 ice clouds on Mars19940007558Analytic SubsidiaryFourier domain target transformation analysis in the thermal infrared19940007604Analytic SubsidiaryTh-230 - U-238 series disequilibrium of the Olkaria rhyolites Gregory Rift Valley, Kenya: Residence times19940007706Analytic SubsidiaryModelling hypervelocity impacts into aluminum structures based on LDEF data19940007653Analytic SubsidiaryStudies of the release of radiogenic Xe-129 from Bjurboele: Evidence against simple diffusion models19940007733Analytic SubsidiaryA method to determine asteroid poles19940007746Analytic SubsidiaryMagnetic fields and nonuniform structures of the Moon19940007560Analytic SubsidiaryDescriptions and preliminary interpretations of cores recovered from the Manson Impact Structure (Iowa)19940007673Analytic SubsidiaryA two-stage (turbulent-drainage) mechanism for the emplacement of impact crater outflows on Venus19940007546Analytic SubsidiaryRates of fluvio-thermal erosion on Mars19940007644Analytic SubsidiaryQuantifying the effect of rheology on plan-view shapes of lava flows19940007795Analytic SubsidiaryFree-air and Bouguer gravity anomalies and the Martian crustal dichotomy19940007796Analytic SubsidiaryNew Mars free-air and Bouguer gravity: Correlation with topography, geology and large impact basins19940007702Analytic SubsidiaryCrystal-chemistry and partitioning of REE in whitlockite19940007739Analytic SubsidiarySoret diffusion: A possible cause of compositional heterogeneity within tektites19940007580Analytic SubsidiaryThe stability of hibonite and other aluminous phases in silicate melts: Implications for the origin of hibonite-bearing inclusions19940007547Analytic SubsidiaryGiant impact-induced atmospheric blow-off19940007565Analytic SubsidiaryVenus small volcano classification and description19940007654Analytic SubsidiaryA pattern recognition system for locating small volvanoes in Magellan SAR images of Venus19940007627Analytic SubsidiaryCarbon analyses of IDP's sectioned in sulfur and supported on beryllium films19940007692Analytic SubsidiarySpectral mixing models of S-Type asteroids19940007777Analytic SubsidiaryTransmantle flux tectonics19940007773Analytic SubsidiaryA comparison of the visible and near infrared reflectance of hydrovolcanic palagonite tuffs and Martian weathered soils19940007647Analytic SubsidiaryVenus resurfacing rates: Constraints provided by 3-D Monte Carlo simulations19940007788Analytic SubsidiaryTrace element content of chondritic cosmic dust: Volatile enrichments, thermal alterations, and the possibility of contamination19940007748Analytic SubsidiaryAre cosmic rays effective for ionization of the solar nebula?19940007697Analytic SubsidiaryThe role of the geothermal gradient in the emplacement and replenishment of ground ice on Mars19940007781Analytic SubsidiaryThe unusual metallic particles in Krymka LL3.0 chondrite19940007640Analytic SubsidiaryFlexure and the role of inplane force around coronae on Venus19940007568Analytic SubsidiaryShock transformations in quartzite19940007585Analytic SubsidiaryOrbital simulations of satellite escape/capture and the origin of satellites such as Triton19940007715Analytic SubsidiaryTectonics on Triton19940007636Analytic SubsidiaryMultiple nitrogen components in lunar soil sample 1202319940007643Analytic SubsidiaryIdentification of cometary and asteroidal particles in stratospheric IDP collections19940007753Analytic SubsidiaryOn high-temperature formation of iron-rich olivine in the early solar system19940007712Analytic SubsidiaryNear-infrared spectra of the Martian surface: Reading between the lines19940007731Analytic SubsidiaryShallow crustal discontinuities and graben and scarp formation in the Tharsis region of Mars19940007771Analytic SubsidiaryVulcanian explosive eruptions: A mechanism for localised pyroclast dispersal on Venus19940007738Analytic SubsidiaryOxidation state of the Earth's upper mantle during the last 3800 million years: Implications for the origin of life