Tag Archives: volcanics

HiRISE: An elongated pit in Margaritifer Terra

An elongated pit in Margaritifer Terra. There is nothing more interesting than a feature that resembles a giant amoeba. Margaritifer Terra is an ancient, heavily cratered region, centered just south of the Martian equator, and covers 2600 kilometers at its … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

THEMIS: Floods of once-molten rock spread across Daedalia Planum

THEMIS Image of the Day, February 11, 2019. Today’s VIS image shows part of the extensive volcanic flows that make up Daedalia Planum. The different layers and surface textures are due to flows at different times, or the affect of … Continue reading

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: Bedrock delights

Bedrock delights. These gorgeous bedrock formations are located in the Syrtis Major region, which is a low-relief shield volcano. HiRISE Picture of the Day archive [More at links]

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Lava flows and channels on Daedalia Planum

THEMIS Image of the Day, February 1, 2019. Today’s VIS image shows a small portion of the extensive volcanic plains of Daedalia Planum. These lava flows originated from Arsia Mons, the southernmost of the three large Tharsis volcanoes. See more … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

HiRISE: Me and my little friend

Me and my little friend. A very interesting-looking 5-kilometer crater located in Ascraeus Mons, a large shield volcano located in the Tharsis region of the planet Mars. It is the northernmost and tallest of three shield volcanoes collectively known as … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Lava flow fronts in Daedalia Planum

THEMIS Image of the Day, January 28, 2019. Today’s VIS image shows a small portion of the immense lava plains of Daedalia Planum. These flows originated from Arsia Mons, one of the three large Tharsis volcanoes. See more THEMIS Images … Continue reading

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

A proposed development sequence for the Elysium volcanic province

[Editor’s note: From a paper by Brian Kneller and two co-authors recently published in the Journal of Geophysical Research.] Correlation between graben orientation, channel direction change and tectonic loading: The Elysium Province, Mars • Graben are systematically arranged around sources … Continue reading

Posted in Reports | Tagged , , , , , | Comments Off

THEMIS: Tectonics meets volcanism in Claritas Fossae

THEMIS Image of the Day, January 10, 2019. This VIS image shows part of Claritas Fossae. The linear features (fossae) are faults. This region of Mars had very active tectonism and volcanism, resulting in the huge volcanos like Arsia Mons … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

THEMIS: Lava flow fronts in Daedalia Planum

THEMIS Image of the Day, December 26, 2018. Today’s VIS image shows a small portion of the immense lava flows that originated from Arsia Mons. Arsia Mons is the southernmost of the three large aligned volcanoes in the Tharsis region. … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

HiRISE: Flows northwest of Elysium Mons

Flows northwest of Elysium Mons. Elysium Mons is flanked by the smaller volcanoes Hecates Tholus to the northeast, and Albor Tholus to the southeast. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off