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Magnetite from
Venus


Locality type:Planet
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Venus
Data Identifiers
Mindat Occurrence Record ID:1269026
Long-form Identifier:1:3:1269026:8
GUID (UUID V4):3cc03378-d523-47c6-ba0c-0954e956f6ba
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
www.elsevier.com/locate/pss Climate control on Venus: Comparison of the carbonate and pyrite models George...2005 Abstract We review two models describing the Venus climate system: the carbonate and pyrite models...potentially important minerals controlling the climate of Venus, though existence of either minerals has not been...reaction might explain the Venusā€™ atmospheric CO2 abundance, it is unlikely Venusā€™ surface is reactive enough...enough to control the Venusā€™ massive CO2 atmosphere. Venusā€™ surface carbonate is also able to affect the
Journal (article/letter/editorial)
Mineral Equilibria and the High Radar Reflectivity of Venus Mountaintops K. B. KLOSE, J. A. WOOD, AND A. HASHIMOTO... of powerreflectivity) in 10 highlandregionsof Venus,usingthe Magellandataset. Abovea criticalaltitudethat...diagramsdescriptiveof equilibrimnsecondary mineralassemblages on Venus,as a functionof altitudeand atmospheric redoxstate...atmospheric themmlprofile. The altitudesat whichthe magnetite/pyrite phasebotmdaryis encountered vary witlā€¢...oftheremaining 20%. radiotelescopes andthePioneer Venus andVenera spacecraftMagellan produced twodata sets
Journal (article/letter/editorial)
(1970) 73-80. NORTH-HOLLAND PUBLISHING COMPANY VENUS: ATMOSPHERIC AND LITHOSPHERIC COMPOSITION* John...equlhbrmm between the atmosphere and hthosphere of Venus, it seems that our knowledge of the composition...of CO2, CO, H20, HC1, and HF m the atmosphere of Venus [ 1 - 5 ] Employing the "interaction model" concept...considerable interest to reassess the geochemical model of Venus to take into account the hagh CO 2 content (95 +-...by a discussion of models m which J S Lewts, Venus atmospheric and hthosphenc eomposttton 74 Table
Journal (article/letter/editorial)
Press Ltd. 1982 ATMOSPHERE-SURFACE INTERACTIONS VENUS AND IMPLICATIONS FOR ATMOSPHERIC EVOLUTION* ON...volatiles in Venusian atmospheric evolution. 1. VENUS TROPOSPHJ3~ COMPOSITION CHEMICAL In December 1978...Soviet and American spacecraft encounters with Venus were performed. Two descending modules, Veneru 11...tropospheric chemical composition. The Pioneer-Venus multiprobe space program was wholly aimed at atmospheric...17-18 August 1981, Hamburg, West Germany. Pioneer-Venus missions are compiled in Table 1 and are in good
Journal (article/letter/editorial)
understanding surface-atmosphere interactions on Mars and Venusā€  Molly C. McCanta1,*, M. Darby Dyar2 and Allan H...alteration on other rocky planetary bodies, i.e., Mars, Venus, and Mercury, where S is ubiquitous and low fluid/rock...basalt weathering, Mƶssbauer spectroscopy, Mars, Venus Introduction Both direct measurements and compositions...2011). By way of contrast, the sulfur cycle on Venus is controlled by secondary interactions between...on understanding of the physics and chemistry of Venusā€™ crust and atmosphere. Three sets of XRF major element
Journal (article/letter/editorial)
A R T I C LE I N FO A B S T R A C T Keywords: Venus Venera 8 Silicic rock Greenstone belt Proto-continental...reproduced within the data uncertainty. Although Venus lacks modern Earth-style plate tectonics, magnesian...belt. 1. Introduction The surface composition of Venus was measured at seven diļ¬€erent locations between...ppm; U < 0.7 ppm) encountered on the surface of Venus suggests that it could be evidence of diļ¬€erentiated...km 60 South Fig. 1. Mercator projection map of Venus showing the locations of the Venera and Vega landers
Journal (article/letter/editorial)
Carbon Monoxide and Sulfur Vapor and Applications to Venus Yong Hong and Bruce Fegley, Jr. Planetary Chemistry...(1) 3 FeS2 (pyrite) 1 4 CO2 1 2 CO 5 Fe3O4 (magnetite) 1 6 OCS (2) 2 CO 1 S2 5 2 OCS (3) at temperatures...have been proposed as potential sources of OCS in Venusā€™ lower atmosphere. Our results show OCS formation...reaction of S2 and CO is an important source of OCS in Venusā€™ lower atmosphere, and (2) probably neither reaction...nor reaction (2) is an important source of OCS on Venus. Finally, we use thermodynamic data for reaction
Journal (article/letter/editorial)
silicate may not be just early condensate. For Venus, reviews are given o f the surfitce properties,...distant fast planetesimals. Only the Earth and Venus are big enough to retain debris from late volatile-rich...C and P. Mercury and Venus should have accreted reduced material, and only Venus should contain volatiles...constraints Comparison of suggested origins Mercury Venus: Surface properties Atmosphere Speculations on bulk...the Medicean satellites of Jupiter, the phases of Venus, and the spots on the Sun. Fearful of revolutionary
Journal (article/letter/editorial)
Scientiļ¬c goals for the observation of Venus by VIRTIS on ESA/Venus express mission P. Drossarta,, G. Piccionib...Imaging Spectrometer (VIRTIS) on board the ESA/Venus Express mission has technical speciļ¬cations well...well suited for many science objectives of Venus exploration. VIRTIS will both comprehensively explore a...meteorology. The global circulation and local dynamics of Venus will be extensively studied from infrared and visible...4.3 mm fundamental band of CO2. The surface of Venus is detectable in the short-wave infrared windows
Journal (article/letter/editorial)
as Venus. This mechanism is likely to constitute an important source of tropospheric CO2 on Venus and...least partly address the CO2 stability problem in Venusā€™ stratosphere, since our results suggest that atmospheric...of 0.4 petagrammes (Pg) CO2 per (Earth) year on Venus which is about 45% of the mass loss of CO2 via photolysis...Exoplanet Atmosphere Venus CO2 stability Hematite Catalysis 1. Introduction Venus and Mars have maintained...1999). On Venus, however, the situation is less clear. The effectiveness of the proposed Venus reaction
Journal (article/letter/editorial)
in the solar system much smaller than Earth or Venus do not reach the internal pressure (ā‰„23 GPa) requirements...quartz-fayalite-magnetite SiO2+22-Fe ferric iron buffered at quartz-fayalite-magnetite (QFM:(QFM: SiO2-Fe...bridgmanite) transition zone on on Earth and Venus, Venus, a pressure barely reached on Mars. It follows...does does Venus. Impact-induced mantle super were alsofor responsible the partial of Venus. Impact-induced...probably Venus [84,96]. The Martian mantle is likely to the mantles of Earth and probably Venus [84,96]
Book
Interior 4.1.3. Origin 124 120 123 CONTENTS 4.2. VENUS 4.2.1, 4.2.2. Atmospheric Composition 4.2.5...spectroscopy) and spacecraft missions (reaching Mercury, Venus, the Moon, Mars, Jupiter, and Saturn, and ...faster than our comprehension. Earthā€™s near-twin, Venus, is found to be a red-hot, parched desert with ...systems. Its atmosphere, though CO)-rich like that of Venus, is 10* times lower in pressure. The Jovian planets...The symbols below the abscissa denote Mercury, Venus, Earth, Mars, lo, Titan, Jupiter, Saturn, Uranus
Journal (article/letter/editorial)
dynamo and modern crustal remanent magnetism on Venus Joseph G. Oā€™Rourke a,āˆ— , CĆ©dric Gillmann b,c , Paul...Keywords: Venus Venus, interior Venus, surface magnetic ļ¬elds accretion a b s t r a c t Venus lacks an...habitability. Canonical models assume the core of Venus is cooling too slowly for convection and thus a...cooling. Here we reevaluate the likelihood that Venus has an ā€œEarth-likeā€ (at least partially liquid and...temperatures remain below the Curie point of magnetite. Therefore, future spacecraft missions should
Book
on the lithospheric-atmospheric interaction on Venus. The authors use the latest information on the composition...KHODAKOVSKY 4. Lithospheric-Atmospheric Interaction on Venus 106 136 V.P. VOLKOV, M.Yu. ZOLOTOV, AND I.L....6000 km and () ~ I in the region of the Earth and Venus, we obtain from Eq. (8) v ~ 7 km' S-l and eccentricities...material, the primitive atmospheres of the Earth, Venus, and Mars were formed. Mercury and the Moon formed...and structure of the upper shells of Earth and Venus is still far from solution. The problem of formation
Report (issue)
type 3 ordinary chondrite containing graphite-magnetite aggregatesā€” Allan Hills A77011 S. G. McKinley...1349 C. A. Wood and L. D. Ashwal 1359 MARS AND VENUS Natural radioactivity of the moon and planets A...AwSurkouc cmt cae origin for the rare gases on Venus, Earth, and Mars et eo dace ee ae es ee RED, caeoe...dust clouds on Venus and Mars J.B GarvinĀ® to. ae 1473 1481 1493 Composition of Venus Density constraints...constraints on the composition of Venus K. A. Goettel, J. A. Shieldssand DAĀ®@ Decker Ā«ia aaa ee Metal chloride
Journal (article/letter/editorial)
of the Archean BIF is magnetite, we should bear in mind the following. Magnetite does not form in isotopic...1992). The latter is known to transform into magnetite during metamorphism (e.g., Miyashiro, 1978). On...Buffers: HM = hematite-magnetite; IW = iron-wustite; FMQ = fayalite-magnetite-quartz; NNO = Ni-NiO. Fields...to sustain oxygen fugacity above the fayalite-magnetite-quartz (FMQ) and Ni-NiO (NNO) buffers (Fig. 3)...magmas are constrained by the NNO and hematite-magnetite (HM) buffers (Behrens and Gaillard, 2006). This
Journal (article/letter/editorial)
less and a temperature of āˆ¼700 K formed Earth and Venus (31 wt% iron, Ni and S and 69 wt% oxides, density...condensates Fig. 3. Condensation of graphite, magnetite, FeS and water (in hydrous mineral and as ice)...appropriate for the material that may form the Earth and Venus. Such material condenses all over pressure and temperature...to note that we have found a Pā€“T region where magnetite (Fe3 O4 ) is stable (constituent of CV3 chondrites...estimate particularly for the Earth and Venus. For Earth and Venus, it is estimated as close to 4 g cmāˆ’3
Journal (article/letter/editorial)
(1968) An Estimate of the Surface Conditions of Venus J O H N S. L E W I S Department of Chemistry, University...spectroscopic observations of the cloud layer region of Venus give good relative pressure data on CO2, CO, H20...on the temperature in this coolest region. For Venus with an isothermal surface and with an adiabatic...temperature >_- 514Ā°K for all models considered. For Venus with a maximum surface temperature of 700Ā°K and...environment of Venus have pictured several the atmosphere-lithosphere system of Venus, basing most of
Journal (article/letter/editorial)
Ernst and Buchan (2003). The evidence from Mars, Venus and the moon All terrestrial planets, show volcanic...regions, rifts and other linear features. Mars and Venus have large crustal uplifts on their surfaces that...plume processes most probably existed on Mars and Venus, both considered as ā€˜ā€˜one-tectonic plateā€™ā€™ planets...terrestrial analogue of the Tharsis plume on Mars. On Venus there are at least 34 major uplifts, or crustal...volcanic centers on Venus larger than 20 km. Endogenic circular features on Venus, known as coronae, with
Journal (article/letter/editorial)
astrological fiction. Thus, a line from the earth throngh Venus shows that planet to be in the constellation Pisces...moĀ­ ment of the planet Venus is showu by a line drawn from the earth through Venus, and so of all the other...draw a line upon the map from the earth through Venus, and so holtI the map tha t the line will point...is in conjunction with Mars on the 2d and with Venus on the 3d and again with Neptune on the 8th. Its...especially in slow-moving fire balls about equal to Venus i n luster. These generally leave a short trail
Journal (article/letter/editorial)
radii and masses of Venus and Mercury. The corresponding densities are p (Venus) 2- 5.27 and p (Mercury)...terrestrial planets . The results are Mars, 25 .3 Ā± 0.4 ; Venus. 26 .4 ; Mercury, 36 ; and the moon 22 .0 . The...Ee2Si04 t"e' 0 3 I Ne~~tatitc Ee304 si0 ' Magnetite Quarta A1203 Corundum Granite i 2y .1 33 ...The pressures at the center of the moon, Mars and Venus are shown by arrow% at the top (after ref. [51)...and Anderson 151 showed that the earth, Mars, and Venus could be identical in composition if the larger
Book (chapter)
spinel = V-Cr-rich magnetite, MM 39, 929 (1974). Vanadiochromspinell = V-Cr-rich magnetite, Chudoba EIV, 101...29(12), 12 (2004). vanadiokrĆ³mspinell = V-Cr-rich magnetite, LĆ”szlĆ³ 284 (1995). vanadio-laumontite = V-rich...vanadoferrite = coulsonite, Thrush 1196 (1968). vanado-magnetite = coulsonite, AM 22, 811 (1937). vanadomalayite...chlorite Ā± hematite, Haditsch & Maus 230 (1974). venus = copper, Dana 6th, 20 (1892). Venushaar = acicular...Sinkankas 292 (1972). Venus' hair = acicular rutile, Winchell & Winchell 247 (1951). Venus hair stone = acicular
Journal (article/letter/editorial)
in The Netherlands VOLATILE ELEMENT INFLUX ON VENUS FROM COMETARY L__S._d IMPACTS JOHN S. LEWIS Planetary...the atmosphere of Venus. In particular, the entire supply of hydrogen compounds on Venus may owe its origin...and possibly N on Venus are provided by infaU, and need not be endogenous to Venus. 1. Introduction...knowledge of the composition of the atmosphere o f Venus is summarized in Table 1. The most striking features...partial pressure of water vapor at the surface o f Venus. For comparison, evaporation of the Earth's oceans
Journal (article/letter/editorial)
much lower degree. Of the oxides examined, only magnetite exhibited any ability to reduce NO3 or NO2....MINERALS BEFORE Atoms per formula unita Mineral Magnetite (Fe3O4)c Bunsenite (NiO)d Cuprite (Cu2O) Pyrrhotite...Contains 2% pyrite (FeS ). 2 lerite), Fe3O4 (magnetite) and Cu2O (cuprite), as well as natural ZnS with...reaction rates. Of the 3 oxides tested, only Fe3O4 (magnetite) exhibited any significant ability to reduce nitrate...starting nitrate converted to ammonia. Minerals: a, magnetite; b, bunsenite; c, cuprite; d, pyrrhotite; e, millerite;
Journal (article/letter/editorial)
with them are small grains of hornblende and magnetite; contains FIG. 3 coarse rounded quartz and other...uniform with minute grains of hornblende and magnetite. Quartz grains mostly angular, and transparent...pholadiformis, with valves together and erect; Venus mercenaria, with valves in contact and held together...hardens on exposure to air. Speciments of Arca and Venus, with perfectly preserved surface markings occur...fragments, and occasionally whole shells, mostly Venus, found throughout. and fine sand, not well assorted
 
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