Tag Archives: crater ejecta

THEMIS: Something odd in Noachis Terra

Posted on January 9, 2019 by rburnham

THEMIS Image of the Day, January 9, 2019. This VIS image shows a portion of Noachis Terra to the northeast of Argyre Planitia. In the middle of the image is an unnamed crater that is not even close to being … Continue reading →

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HiRISE: Impact crater near Tempe Terra

Posted on November 20, 2018 by rburnham

An impact crater near Tempe Terra. Despite this crater likely being extremely old and filled-in with material, we can still see its ejecta blanket. Beautiful Mars series. [More at links]

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THEMIS: Rough ejecta blanket around Hesperia Planum crater

Posted on November 1, 2018 by rburnham

THEMIS Image of the Day, November 1, 2018. This VIS image shows part of the northern rim of an unnamed crater in Hesperia Planum. See more THEMIS Images of the Day by geological subject.

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HiRISE: Hale Crater ejecta

Posted on March 27, 2018 by rburnham

Hale Crater ejecta with pits and rocky outcrops. This observation will help give coverage of Hale Crater ejecta for mapping studies. The ejecta is sparsely covered, and this particular footprint has what appear to be rocky outcrops near the extent … Continue reading →

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HiRISE: Ejecta and possible bedrock on a crater floor in Aonia Terra

Posted on January 31, 2018 by rburnham

Ejecta and possible bedrock on a crater floor in Aonia Terra. This is just to the east of an impact crater that is almost dead center within a much larger impact crater. (249 km above the surface; black and white … Continue reading →

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HiRISE: Diverse minerals in crater ejecta

Posted on December 20, 2017 by rburnham

Diverse minerals in crater ejecta. The CRISM instrument on MRO (a spectrometer) show blocks of diverse composition here in the ejecta of a 15-kilometer diameter complex crater. HiRISE coverage can reveal textures and small-scale color variations. Beautiful Mars series.

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HiRISE: Crater ejecta along Durius Valles

Posted on July 21, 2017 by rburnham

Crater ejecta along Durius Valles. Beautiful Mars series.

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THEMIS: Scoured ejecta from Bacolor crater impact

Posted on July 19, 2017 by rburnham

THEMIS Image of the Day, July 19, 2017. Today’s VIS image shows some of the ejecta from Bacolor Crater in Utopia Planitia. There are several layers of ejecta visible in the image. The crater itself is just off the image … Continue reading →

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THEMIS: Terra Cimmeria impact-crater ejecta

Posted on July 18, 2017 by rburnham

THEMIS Image of the Day, July 18, 2017. This VIS image shows an unnamed crater in Terra Cimmeria. Note how the ejecta overlays the surrounding terrain, radial to the crater. What produces the two ejecta fields that blanket the ground, … Continue reading →

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THEMIS: Crater impact sequence

Posted on July 17, 2017 by rburnham

THEMIS Image of the Day, July 17, 2017.  Today’s VIS image shows unnamed craters in Terra Sirenum. The ejected debris from both impacts have overlapped. The debris from the smaller crater at bottom lies on top, showing that the impact … Continue reading →

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