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Geology of the Victoria quadrangle (H02), Mercury

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journal contribution
posted on 21.07.2016, 08:12 by V. Galluzzi, L. Guzzetta, L. Ferranti, G. Di Achille, D. A. Rothery, P. Palumbo

Mercury’s quadrangle H02 ‘Victoria’ is located in the planet’s northern hemisphere and lies between latitudes 22.5° N and 65° N, and between longitudes 270° E and 360° E. This quadrangle covers 6.5% of the planet’s surface with a total area of almost 5 million km2. Our 1:3,000,000-scale geologic map of the quadrangle was produced by photo-interpretation of remotely sensed orbital images captured by the MESSENGER spacecraft. Geologic contacts were drawn between 1:300,000 and 1:600,000 mapping scale and constitute the boundaries of intercrater, intermediate and smooth plains units; in addition, three morpho-stratigraphic classes of craters larger than 20 km were mapped. The geologic map reveals that this area is dominated by Intercrater Plains encompassing some almost-coeval, probably younger, Intermediate Plains patches and interrupted to the north-west, north-east and east by the Calorian Northern Smooth Plains. This map represents the first complete geologic survey of the Victoria quadrangle at this scale, and an improvement of the existing 1:5,000,000 Mariner 10-based map, which covers only 36% of the quadrangle.

Funding

This research was supported by the Italian Space Agency (ASI) within the SIMBIOSYS project [ASI-INAF agreement number I/022/10/0]. Rothery was funded by the UK Space Agency (UKSA) and STFC.

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