Mercury: Topographic and geologic data from Earth-based radar observations

Details Mercury: Topographic and geologic data from Earth-based radar observations Mercury: Topographic and geologic data from Earth-based radar observations

Apr 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pggp.rept..287s&link_type=abstract

In NASA, Washington Rept. of Planetary Geology Program, 1983 p 287 (SEE N84-23431 13-91)

Mathematics

Logic

Data Acquisition, Mercury (Planet), Morphology, Planetary Surfaces, Radar Geology, Topography, Elevation, Radar Signatures, Tectonics, Volcanology

Scientific paper

Significant new geologic information has been revealed by comparing 1:5 million scale geologic maps of the equatorial zone quadrangles of Mercury (H-6, H-7 and H-8) to Earth-based elevation profiles and surface reflectivity maps of Mercury obtained in the early 1970's at the Arecibo (PR) and Goldstone (CA) radar facilities. These data consist of 23 Goldstone images and profiles of polarized return data at 12.5-cm wavelength and one Arecibo profile. Radar data with 150-m vertical accuracy and 10- to 20-km horizontal resolution are available for areas between latitudes 13 N. and 11 S. In general, these data sets show excellent correlation between: (1) relative elevation and roughness differences that are reflected by mapped geologic contacts; (2) mapped ridges and scarps that display distinctive radar signatures; and (3) position and morphology of crater-and-basin topographic elements. Inferences can also be drawn about topographic and geologic terrain beyond the area imaged by Mariner 10 cameras.

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