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Ulysses Colles
View on Wikipedia Image of main part of Ulysses Colles based on mosaic of CTX images | |
| Feature type | colles |
|---|---|
| Coordinates | 6°06′N 236°54′E / 6.1°N 236.9°E |
| Naming | Classical albedo feature name. |
Ulysses Colles is an official name for conical edifices associated with flows in Ulysses Fossae in the Tharsis quadrangle of Mars.[1] These conical edifices form small volcanic field which were interpreted as result of explosive eruptions on Mars where martian equivalents to terrestrial pyroclastic cones,[2] cinder cones respectively, exist.[3] This field is situated north of the shield volcanoes Biblis Patera and Ulysses Patera and it is superposed on an old, elevated window of fractured crust of Ulysses Fossae, probably of early Hesperian age,[4] which survived flooding by younger lava flows associated with plain-style volcanism in Tharsis.[5][6]
The cones of Ulysses Colles are spread over an area of about 50 to 80 km and their spatial distribution seem to be controlled by N- to NNW-trending normal faults. The distribution is not random, more cones are located in the southern part, where are forming clusters of overlapping cones. Also, the southern cones seem to be more preserved than northern cones.[2]
Gallery
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Close up view to small conical structures in Ulysses Colles -
Another view
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References
[edit]- ^ "Gazetteer of Planetary Nomenclature - Ulysses Colles". IAU/USGS/NASA.
- ^ a b Brož, P.; Hauber, E. (2012). "A unique volcanic field in Tharsis, Mars: Pyroclastic cones as evidence for explosive eruptions". Icarus. 218 (1): 88–99. Bibcode:2012Icar..218...88B. doi:10.1016/j.icarus.2011.11.030.
- ^ Brož, Petr; Čadek, Ondřej; Hauber, Ernst; Rossi, Angelo Pio (2014). "Shape of scoria cones on Mars: Insights from numerical modeling of ballistic pathways". Earth and Planetary Science Letters. 406: 14–23. Bibcode:2014E&PSL.406...14B. doi:10.1016/j.epsl.2014.09.002.
- ^ Anderson, Robert C.; Dohm, James M.; Golombek, Matthew P.; Haldemann, Albert F. C.; Franklin, Brenda J.; Tanaka, Kenneth L.; Lias, Juan; Peer, Brian (1 September 2001). "Primary centers and secondary concentrations of tectonic activity through time in the western hemisphere of Mars". Journal of Geophysical Research. 106 (E9): 20563. Bibcode:2001JGR...10620563A. doi:10.1029/2000JE001278.
- ^ Scott, D.H., Tanaka, K.L., 1986. Geologic map of the western equatorial region of Mars. US Geological Survey Miscellaneous Investigation Series Map I-1802-A, scale 1:15,000,000.
- ^ Hauber, E.; Brož, P.; Jagert, F.; Jodłowski, P.; Platz, T. (2011). "Very recent and wide-spread basaltic volcanism on Mars". Geophysical Research Letters. 38 (10): n/a. Bibcode:2011GeoRL..3810201H. doi:10.1029/2011GL047310. S2CID 128875049.
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