Tag Archives: deltas

Hypanis Valles: More likely a delta than a glacier

Is Mars’ Hypanis Valles a glacier? A new study says no. A recent study [published in Icarus] from a team of scientists led by Jacob Adler of Arizona State University explored a unique area of scientific interest on Mars called … Continue reading

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THEMIS: Possible delta in Ius Chasma?

THEMIS Image of the Day, February 26, 2018. This VIS image shows part of eastern Ius Chasma. The lower elevations of Geryon Montes are located at the top of the image. Between the montes and the southern wall face is … Continue reading

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HiRISE: Inverted channel in Eberswalde Crater

An inverted channel in Eberswalde Crater. Eberswalde Crater was once a final candidate landing site for the Mars Science Laboratory rover, Curiosity. Although the primary scientific interest in Eberswalde is its well-preserved delta, this sinuous river channel to the southeast, … Continue reading

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CRISM: Delta in Jezero Crater

Jezero Crater is a ~45km crater near the Nili Fossae region which is believed to have once been flooded with water. The crater consists of a fan-delta system that deposited rich clays in the area. An important detail for us … Continue reading

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THEMIS: Eberswalde Crater’s famous delta

THEMIS Image of the Day, November 9, 2016. Today’s false color image shows the delta deposit in Eberswalde Crater. Channels from the crater rim hosted material entering the crater. This crater and its delta deposit were shortlisted as a possible Curiosity … Continue reading

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Valleys, deltas, and lacustrine sediment in the southwestern Melas Basin, Valles Marineris

Planetary Geomorphology Image of the Month, July 30, 2015: Joel Davis (University College, London, UK). During the last few decades, dry river valley networks and delta fan structures have been found to be increasingly common on ancient terrains on the … Continue reading

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HiRISE: Searching for clinoforms in a possible delta

A delta is a pile of sediment dumped by a river where it enters a standing body of water. Evidence for deltas that formed billions of years ago on Mars has been mounting in recent years. One line of evidence … Continue reading

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THEMIS: Channel and delta

THEMIS image of the Day, July 1, 2015. This VIS image shows two channels. The channel in the center of the image ends in a crater, where it has created a delta deposit. These unnamed craters and channels are located … Continue reading

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HiRISE: Bar and pit where valley enters crater

So, a valley enters a crater bar… Valley entering northern mid-latitude crater. Beautiful Mars series.

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Jezero Crater records two water-related events

Researchers from Brown University have completed a new analysis of an ancient Martian lake system in Jezero Crater, near the planet’s equator. The study finds that the onslaught of water that filled the crater was one of at least two … Continue reading

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