Recent comet impacts on the moon: The evidence from spectral reflectance studies

Details Recent comet impacts on the moon: The evidence from spectral reflectance studies Recent comet impacts on the moon: The evidence from spectral reflectance studies

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept...59h&link_type=abstract

In NASA. Washington Repts. of Planetary Geol. Program p 59-61 (SEE N84-23431 13-91)

Computer Science

Impact Damage, Infrared Spectroscopy, Lunar Albedo, Lunar Craters, Lunar Crust, Lunar Evolution, Projectile Cratering, Spectrum Analysis, Ashes, Ejecta, High Resolution, Magnetic Properties, Swirling, Volcanoes

Scientific paper

The results of analyses of near infrared reflectance spectra are inconsistent with numerous previous interpretations of the Reiner Gamma Formation. These include: (1) nue ardente or volcanic ash deposits, (2) volcanically derived sublimates, (3) high albedo volcanic deposits, and (4) highlands debris emplaced as impact ejecta. These results, strongly suggest that the selective preservation of high albedo features (formed by secondaries) by a local magnetic field enhancement is not a viable hypothesis. The results are generally consistent with, but place constraints on, the cometary impact hypothesis of Schultz and co-workers. While the presence of a magnetized component was not detected in either the bright or dark portions of the Reiner Gamma Formation, this material may be present in amounts under the current detection limits.

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