Mathematics – Logic
Scientific paper
Jan 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....91..385h&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 91, Jan. 10, 1986, p. 385-401.
Mathematics
Logic
36
Mercury (Planet), Planetary Craters, Planetary Geology, Planetary Surfaces, Radio Altimeters, Altitude, Data Acquisition, Geological Faults, Radar Measurement, Structural Basins, Topography, Mercury (Planet), Radar Methods, Altimetry, Analysis, Topography, Basins, Earth-Based Observations, Equatorial Regions, Latitude, Surface, Features, Craters, Depth, Tir Planitia, Plains, Caloris Planitia, Terrain, Description, Comparisons, Ridges, Scarps, Faults, Altitude, Highlands
Scientific paper
Altitude measurements derived from 2380 MHz radar observations of the equatorial zone of Mercury collected between 1978-1984 at Arecibo Observatory are analyzed. The altitude profiles, which span from 20-90 deg longitude at a resolution of 0.15 deg (longitude) by 2.5 deg (latitude), are compared with geologic maps of Mercury. The depths and shapes of the craters and basins are examined; it is observed that Mercurian craters are shallower than lunar craters. The plains of Tir Planitia, Caloris Basin, and circum-Caloris are studied and it is hypothesized that the plains are of a volanic origin. The ridges, scarps, and fault zones detected in the altimetry data are described.
Bindschadler Duane L.
Campbell Don B.
Harmon John K.
Head James W.
Shapiro Irwin I.
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