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Apollinaris Mons

Martian shield volcano

Summary

Martian shield volcano

Field	Value
name	Apollinaris Mons
image	[[Image:MOLA apollinaris patera.jpg	200px]]
caption	Topography map of Apollinaris Mons
coordinates
coordinates_footnotes
type	Shield volcano

Apollinaris Mons is an ancient shield volcano in the southern hemisphere of Mars. It is situated near the equator, south of Elysium Planitia and north of the impact crater Gusev (the landing site of the Mars rover Spirit). Elysium Planitia separates it from the volcanic province of Elysium to its northwest. The volcano's caldera is named Apollinaris Patera;{{cite web | access-date = 2012-06-30}} this name formerly applied to the whole edifice.

Apollinaris Mons is about 5 kilometres high with a base about 296 kilometres in diameter. On the top of this volcano is a caldera about 80 km (50 miles) in diameter. The volcano is approximately 3 billion to 3.5 billion years old.

It was named in 1973 after a mountain spring near Rome in Italy.

A study using a global climate model found that the Medusae Fossae Formation could have been formed from ash from Apollinaris Mons, Arsia Mons, and possibly Pavonis Mons.

Paleomagnetic field studies

Apollinaris Patera parallels many of the volcanic terrains on Mars, including most of the Elysium and Tharsis Rises, in that they are demagnetized terrains that conspicuously predate the shutdown of the Martian dynamo. The mechanism of its deactivation has been compared to that of Hadriacus Mons. Researchers observing this noted that the deposition of lavas atop an older, more magnetized terrain might have led to the region's demagnetization. Its existence thus does not challenge hypotheses about the timing of the dynamo shutdown.

Gallery

Image:Apollinaris Patera (PIA02006).jpg|False-color Mars Global Surveyor image of Apollinaris Mons. White clouds can be seen hovering above the volcano.

References

"Apollinaris Mons". [[USGS Astrogeology Science Center]].
"Google Mars".
"APOD: May 13, 1999 - Mars Volcano Apollinaris Patera".
"23. Apollinaris Patera Elysium Planitia, Mars".
Kerber L., et al. 2012. The disporsal of pyroclasts from ancient explosive volcanoes on Mars: Implications for the friable layered deposits. Icarus. 219:358-381.
(2018). "Magnetic Fields in the Solar System". Springer.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

mountains-on-mars volcanoes-of-mars aeolis-quadrangle shield-volcanoes

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