USRA Houston Repository

Browsing LPI Contributions by Subject "Impact"

Browsing LPI Contributions by Subject "Impact"

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  • Calculational investigation of impact cratering dynamics: Material motions during the crater growth period 
    Austin, Michael G.; Thomsen, Jeffrey M.; Ruhl, Stephen F.; Orphal, Dennis L.; Schultz, Peter H., 1944- (Pergamon Press, 1980)
    A two-dimensional finite difference calculation of a laboratory-scale hypervelocity (6 km/sec) impact of a 0.3 g spherical 2024 aluminum projectile into a homogeneous plasticene clay halfspace has been carried out to a ...
  • Hypervelocity impacts on Skylab IV/Apollo windows 
    Clanton, Uel S., 1931-; Zook, Herbert A.; Schultz, Richard A. (Pergamon Press, 1980)
    The three largest Skylab IV Command Module windows that were exposed for 84 days to space were optically scanned for impact features as small as 30 µm in diameter. Some 289 features were recorded from the 35x scan for later ...
  • Impact melt generation and transport 
    Orphal, Dennis L.; Borden, W. F.; Larson, S. A.; Schultz, Peter H., 1944- (Pergamon Press, 1980)
    A series of continuum mechanics computer code calculations are planned to investigate the effects of variations in impactor mass and velocity on the generation and transport of impact melt. Results from the first two ...
  • Meteorite impact in the ocean 
    Strelitz, Richard (Pergamon Press, 1979)
    Probability arguments would indicate that about 70% of the meteorite influx would land in the oceans, yet there is no obvious and compelling evidence for such events, especially for craters that would, on land, be of the ...
  • Significance of Secondary Fe-Oxide and Fe-Sulfide Minerals in Upper Peak Ring Suevite from the Chicxulub Impact Structure 
    Kring, David A. (David Allen); Verhagen, Christina M.; Jung, Ji-In; Tikoo, Sonia M.; Wittmann, Axel 1971-; Brachfeld, Stefanie; Wu, Laying; Burns, Dale H.; Gulick, Sean P. S. (MDPI, 2023-03-02)
    The suevite (polymict melt rock-bearing breccia) composing the upper peak ring of the Chicxulub impact crater is extremely heterogeneous, containing a combination of relict clasts and secondary minerals. Using scanning ...
  • Spontaneous magnetic field generation in hypervelocity impacts 
    Srnka, L. J. (Pergamon Press, 1977)
    At sufficiently high impact velocities, plasma clouds are generated in the early stages of hypervelocity impacts.
  • A steeply-inclined trajectory for the Chicxulub impact 
    Collins, Gareth S.; Patel, N.; Davison, Thomas M.; Rae, Auriol S. P.; Morgan, Joanna V.; Gulick, Sean P. S.; Kring, David A. (David Allen); https://orcid.org/0000-0002-3440-6282 (Nature, 2020-05-26)
    The environmental severity of large impacts on Earth is influenced by their impact trajectory. Impact direction and angle to the target plane affect the volume and depth of origin of vaporized target, as well as the ...

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