USRA Houston Repository

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USRA Houston Repository

USRA Houston Repository is a digital service that collects, preserves, and distributes digital material. Repositories are important tools for preserving an organization's legacy; they facilitate digital preservation and scholarly communication.

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Recently Added

  • Blanford, G. E.; Fruland, Ruth M.; Morrison, Donald A. (Pergamon Press, 1975)
    Track density profile measurements in sample 64455 and sample 68815 have been used to derive a long-term solar-flare differential energy spectrum for iron-group (20 ~ Z ~ 26) nuclei from --0.1 to --600 MeV/a.m.u.
  • Zinner, E.; Walker, R. M. (Pergamon Press, 1975)
    The ion microprobe at the Johnson Space Center was used to study depth profiles of artificially implanted ions in lunar samples. Five polished sections of typical mare basalts (12040 and 12018) were irradiated with nine ...
  • Warner, Jeffrey L.; Simonds, Charles H.; Phinney, William C (Pergamon Press, 1976)
    This is a petrologic report on sample 76255 from the Apollo 17 Station 6 boulder, the matrix of which yields a crystallization age of 3.98 AE.
  • Solomon, Sean C. (Pergamon Press, 1975)
    In this paper, simple hydrostatic concepts are extended to synthesize results from experimental petrology, lunar chronology, thermal history models, seismology, and gravity. Explanations of several heretofore unrelated ...
  • Pepin, R. O. (Robert Osborne), 1933-; Dragon, J. C.; Johnson, N. L.; Bates, A.; Coscio, M. R., Jr.; Murthy , V. R. (Pergamon Press, 1975)
    Correlation techniques are applied to rare gas abundance and isotopic measurements, and measured and inferred target element concentrations in grain-sized separates of ten soil samples from the Apollo 17 deep drill core, ...

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