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  • Other Sources  (5)
  • 1970-1974  (5)
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  • 1
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    Unknown
    Interactive Saturn flight program simulator (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Interactive Saturn flight program simulator for real time graphics operations of navigation, guidance, engine control, event sequencing and communications
    Keywords: FACILITIES, RESEARCH, AND SUPPORT
    Type: ; BROTECHNIKA, NO. 1(
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Major and trace element concentrations in samples from 72275 and 72255 (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Analytical data have been obtained for Co, Sc, Hf, Zn, Cr, Ga, Rb, Cs, Ni, major elements, and rare earth elements in eight samples from boulder 1. The data for trace elements were obtained by radiochemical neutron activation analysis. Major elements, except Na and Mn, were obtained by atomic absorption spectral photometry. Values for Na and Mn were obtained by neutron activation analysis of the same powder that was later dissolved to provide the atomic absorption analyses.
    Keywords: SPACE SCIENCES
    Type: Smithsonian Astrophys. Obs. Interdisciplinary Studies of Samples from Boulder 1, Sta. 2, Apollo 17, Vol. 1; p 121-129
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    NASA TECHNICAL REPORTS
  • 3
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    Major and trace elements in igneous rocks from Apollo 15. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The concentrations of major and trace elements have been determined in igneous rocks from Apollo 15. All materials analyzed have typical depletions of Eu except for minerals separated from sample 15085. Four samples have concentrations of trace elements that are similar to those of KREEP. The samples of mare basalt from Apollo 15 have higher concentrations of FeO, MgO, Mn, and Cr and lower concentrations of CaO, Na2O, K2O, and rare-earth elements (REE) as compared to the samples of mare basalt from Apollos 11, 12, and 14. The samples can be divided into two groups on the basis of their normative compositions. One group is quartz normative and has low concentrations of FeO while the other is olivine normative and has high concentrations of FeO. The trace element data indicate that the samples of olivine normative basalt could be from different portions of a single lava flow.
    Keywords: CHEMISTRY
    Type: The Moon; 8; July-Aug
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    NASA TECHNICAL REPORTS
  • 4
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    Rare earths, other trace elements and iron in Luna 20 samples. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The results of the analysis by neutron activation of six samples from the Luna 20 mission and one sample of less than 1 mm fines from Apollo 16 are reported. The concentrations of the rare-earth elements (REE) in the samples of fines from Luna 20 and Apollo 16 are less than those found for corresponding materials from the mare areas but a negative Eu anomaly is still present. The concentrations of the REE in fines from Luna 20 are only about two-thirds as great as in the sample of Apollo 16 fines, but the concentration of Co, Sc and Cr are greater by factors ranging from 1.5 to 2.3.
    Keywords: SPACE SCIENCES
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    NASA TECHNICAL REPORTS
  • 5
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    Major and trace element abundances in samples from the lunar highlands (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Analyses for major elements, REE, Co, Cr, Cs, Ga, Hf, Ni, Rb, Sc, and Zn have been done on samples of Apollo 16 rocks 60025, 60335, 64455, 65015, 67075, and 67629 and on fines 60601, 61221, 61241, 64501, 65701, 67601, and 69941. FeO, Na2O, REE, Co, Cr, Hf, and Sc have been determined in four 4-5 mg chips from 65015 and 20 individual, 2.5-9.5 mg fragments from 65702. It appears that trace element characteristics of small fragments are similar to those of larger rocks. No simple mixing relationship was found among KREEP basalts, VHA basalts, anorthosites, fines, and meteorites. Balances could not be simultaneously achieved for Al2O3 and LIL elements, using analyzed samples as end members for mixing models. Most samples analyzed have negative Eu anomalies, in contrast to the positive anomalies expected for plagioclase cumulates. Most samples may be derived from LIL-rich liquids that flowed into highland valleys.
    Keywords: SPACE SCIENCES
    Type: Lunar Science Conference; Mar 05, 1973 - Mar 08, 1973; Houston, TX
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    NASA TECHNICAL REPORTS
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