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Wednesday, July 29, 2020 | History

3 edition of Experimental study of lunar and SNC magmas found in the catalog.

Experimental study of lunar and SNC magmas

Experimental study of lunar and SNC magmas

final report, NASA grant NAGW-3633, 4/1/93 to 3/31/97

  • 342 Want to read
  • 19 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Experimentation.,
  • Data acquisition.,
  • Lunar composition.,
  • Magma.,
  • Volcanology.,
  • Petrology.,
  • Geochemistry.

  • Edition Notes

    Statement[principal investigator], Malcolm J. Rutherford.
    Series[NASA contractor report] -- 206760., NASA contractor report -- NASA CR-206760.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15543836M

    Muentener, O., Keleman, P.B., and Grove, T.L. () The role of H 2 O on the crystallization of primitive arc magmas at uppermost mantle conditions and genesis of igneous pyroxenites: An experimental study. The Lunar Magma Ocean (LMO) is the layer of molten rock that is theorized to have been present on the surface of the Lunar Magma Ocean was likely present on the Moon from the time of the Moon's formation (about or billion years ago) to tens or hundreds of millions years after that is a thermodynamic consequence of the Moon's relatively rapid formation in the aftermath.

    Ascent and eruption of a lunar high-Ti magma as inferred from the petrology of the /2 drill core. Meteoritics and Planet Sci., 34, Minitti, M.E., and Rutherford, M.J. () Genesis of the Pathfinder “sulfur-free” rock from SNC parental liquids. GCA, 64, @article{osti_, title = {Meteoritic basalts: the nakhlites, their parental magmas, cooling rates, and equivalents on Earth. Final technical report}, author = {Treiman, A H}, abstractNote = {Proposed one-bar phase equilibrium experiments, designed to determine the compositions of the nakhlites' parental magmas, are in progress.. Proposed field studies on Earth, designed to find.

    Using natural samples, experimental petrology, and modeling, I study the origins and evolution of magmas on terrestrial planets. An important part of my research is focused on intraplate and subduction magmatism on Earth. I also use meteorites and rover data to study Martian magmas and constrain the formation of the Martian crust and atmosphere. Grove, T.L. () An experimental calibration of submicroscopic textures in lunar pyroxenes: A transmission electron microscope study. In Lunar and Planetary Science X, Lunar and Planetary Institute, Houston. Grove, T.L., Lindsley, D.H. () An experimental study of the crystallization of pyroxferroite.


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Direct and general support and depot maintenance repair parts and special tools lists : theodolite, directional ; 0.002-mil graduation, 5.9 in. long telescope ; detachable tribrach ; w/accessories and tripod (Wild Heerbrugg model T-2-56-C-MIL), FSN 6675-682-4635 ... (Wild Heerbrugg model T-2-56-C-MIL, reference), FSN 6675-988-5225.

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Experimental study of lunar and SNC magmas Download PDF EPUB FB2

Experimental Study of Lunar and SNC Magmas - NASA/ADS The research described in this progress report involved the study of petrological, geochemical and volcanic processes that occur on the Moon and the SNC parent body, generally accepted to be : Malcolm J. Rutherford.

Get this from a library. Experimental study of lunar and SNC (Mars) magmas. [Malcom J Rutherford; United States. National Aeronautics and Space Administration.]. Get this from a library. Experimental study of lunar and SNC magmas: final report, NASA grant NAGW, 4/1/93 to 3/31/ [Malcolm J Rutherford.

EXPERIMENTAL STUDY OF LUNAR AND SNC (MARS) MAGMAS APRIL 1, MA P.I. Malcolm J. Rutherford Department of Geological Sciences Brown University, Providence R.I.

(NASA-CR) EXPERIMENTAL STUDY OF LUNAR AND SNC (MARS) MAGMAS Progress Report, 1AD r. - 31 Mar. (_rown Univ.) 4 p NZ Unclas G3/91 Experimental Study of Lunar and SNC Magmas. By Malcolm J. Rutherford. Abstract. The research described in this progress report involved the study of petrological, geochemical and volcanic processes that occur on the Moon and the SNC parent body, generally accepted to be Mars.

The link between these studies is that they focus on two terrestrial Author: Malcolm J. Rutherford. Crystallization of the Lunar Magma Ocean has been empirically modeled and its products inferred from sample observations, but it has never been fully tested experimentally.

Presented in this study is the first experimental simulation of lunar differentiation. Two end-member bulk Moon compositions are considered: one enriched. Experimental Study of Lunar and SNC Magmas. February Malcolm John Rutherford; The research described in this progress report involved the study of petrological, geochemical and volcanic.

Crystallization of the Lunar Magma Ocean has been empirically modeled and its products inferred from sample observations, but it has never been fully tested experimentally. Presented in this study is the first experimental simulation of lunar differentiation.

Two end-member bulk Moon compositions are considered: one enriched in refractory lithophile elements relative to Earth and one. The origin of the picritic lunar glass magmas is generally accepted as being due to partial melting of different zones in the upper lunar mantle that were formed by crystallization and cumulate overturn in a Lunar Magma Ocean (Delano ; Hess and Parmentier ; Shearer et al.

).Assuming that the major phases left in the source region were olivine and low-Ca pyroxene, experimental. Our findings shed new light on several aspects of lunar petrology, including the formation of felsic and iron-rich magmas in the Moon.

Finally, based on our experiments the lunar crust, consisting of the light minerals plagioclase and quartz, would reach a thickness of ∼ km. An experimental study of pyroxenes has shown that Fe valence state estimates, calculated from electron microprobe analyses, are not accurate.

an amount determined to be plausible for SNC. At the pressures and temperatures of multiple saturation points, SCSS of lunar magmas with compositions from picritic glasses, mare basalts, to young lunar meteorites vary from to ppm for basalt equilibration with a pure FeS melt and from to ppm for basalt equilibration with a Fe-rich sulfide melt containing 30 wt.% Ni.

EXPERIMENTAL STUDY OF LUNAR AND SNC MAGMAS P.I. Malcolm J Rutherford Geological Sciences Department, Tonks, B and Holmberg,B,Experimental study of KREEP basalt evolution: origin of QMD and granite at the base of the lunar crust.

LPSCXXVII, p Weitz, C.M., Rutherford, M.J., and Head, J.W.,Composition and Textures oof Impact. Magnetic measurements of the lunar crust and Apollo samples indicate that the Moon generated a dynamo magnetic field lasting from at least until lunar breccias cooled in a near-zero magnetic field.

This “lava-outgassing” scenario is consistent with observations that bulk lunar rocks are generally poor in H relative to their terrestrial counterparts (13–15), but is at odds with data suggesting that many lunar magmas contained significant H before eruption (16–19), and still other data suggesting that some lunar magmas apparently.

Lab experiments help test ideas for the Moon's chemical composition and how its crust formed: Planetary Science Research Discoveries (PSRD) educational on-line space science magazine.

Citation: Taylor, G. (August, ) Crystallizing the Lunar Magma Ocean. James D. Webster, Don R. Baker, Alessandro Aiuppa, Halogens in Mafic and Intermediate-Silica Content Magmas, The Role of Halogens in Terrestrial and Extraterrestrial Geochemical Processes, /_6, (), ().

Experiments were conducted at high pressure‐temperature conditions at Argonne National Laboratory to characterize viscosity. Measured viscosities are as low as or lower than geologically‐relevant silicate melts measured previously. In a two part analysis, we consider the effect of the low viscosity lunar magma ocean on the purity of the crust.

Many of the studies carried out to date have incorporated variations in temperature, pressure, and dissolved H 2 O content, so the collective results allow diffusivities in magmas to be estimated quite well for most geologically- realizable conditions.

In general, the following major characteristics appear to hold. IT has been suggested1 that the deduced sequence of crystallization and observed chemical zoning in plagioclase of a feldspar-rich lunar basalt (Fra Mauro ) provides evidence for selective.

The SNC meteorites are a class of eight basaltic achondrites that have extremely young crystallization ages (≤ Ga). Chassigny, a unique SNC meteorite, is a dunite containing Fo 68 olivines and rare poikilitic Ca-pyroxenes.

It is one of the most primitive SNC meteorites and thus is most likely to reveal information about the SNC basalt source region. This study presents a.texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection.

National Emergency Library. Top American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library. Open Library.The disqualification of the basalt hand specimens as low mass fraction melting primary magmas derived from a plagioclase-saturated lunar mantle mineral assemblage (Fig.

4, 93–98) was first highlighted by Longhi (). It is based on phase equilibria studies (i.e. manifestations of major element geochemistry) which have proved robust for.