Tag Archives: alluvial fans

THEMIS: Peace Vallis alluvial fan in Gale Crater

THEMIS Image of the Day, December 22, 2016. Today’s false color image shows part of Gale Crater. Gale Crater is the home of the Curiosity Rover. The channel descending from the rim rocks at top is called Peace Vallis, and a … Continue reading

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Karun Valles & its braided alluvial fan

Planetary Geomorphology Image of the Month, September 29, 2016: Solmaz Adeli (DLR, Institute of Planetary Research, Berlin). The Amazonian period on Mars, meaning roughly the last 3 Ga, is globally believed to have been cold and hyperarid [e.g., Marchant and … Continue reading

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HiRISE: Alluvial fan stratigraphy in Saheki Crater

Alluvial fans are gently-sloping wedges of sediments deposited by flowing water. Some of the best-preserved alluvial fans on Mars are in Saheki Crater, an area that we’ve imaged many times previously. This observation covers two impact craters that expose the … Continue reading

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Curiosity: Locating RMI’s ‘distant deposits’

Sol 1264, February 25, 2016. The red boxes on two Navcam images outline the locations of two recent RMI mosaics seen here. Taken at long range by the rover’s Remote Micro-Imager, the mosaics show deposits far away to the north … Continue reading

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Curiosity: Looking at distant deposits

Sol 1263, February 24, 2016. The ChemCam’s Remote Micro-Imager shot two long-range, multi-frame views showing features of the terrain at the foot of Gale Crater’s rim. One series of images centers almost due north (above, toward 355°), the other northwest … Continue reading

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HiRISE: Gullied crater in the Northern Hemisphere

Gullied crater in the Northern Hemisphere — With quite a lovely sedimentary fan. Beautiful Mars series.

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HiRISE: A possible alluvial fan

This image shows the northern rim of a crater in Deuteronilus. At the northern end, we see the crater rim and ridges inside and below that rim. A channel set is entering from the west and passing through a notch … Continue reading

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Curiosity update: CHIMRA diagnostics

Sol 1237-38, January 27, 2016, update from USGS scientist Ken Herkenhoff: The cause of the CHIMRA anomaly is still being investigated, so no arm motion was planned today while diagnostic testing continues.  Because only remote science observations are allowed, it … Continue reading

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HiRISE: Fans, layers, & channels in Roddy Crater

Fans, layers, and channels on the floor of Roddy Crater. Beautiful Mars series.

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HiRISE: Fan in a trough in the Aeolis region

Fan in a trough in the Aeolis region. Beautiful Mars series.

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