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However, the largest volcano on the planet, Olympus Mons, is thought to have formed when the plates were not moving. Olympus Mons may have formed just after the plate motion stopped. The mare-like plains on Mars are roughly 3 to 3.5 billion years old. [72] The giant shield volcanoes are younger, formed between 1 and 2 billion years ago.
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Numerous attempts [3] [4] [5] have been made over the years to determine an absolute Martian chronology (timeline) by comparing estimated impact cratering rates for Mars to those on the Moon. If the rate of impact crater formation on Mars by crater size per unit area over geologic time (the production rate or flux) is known with precision, then ...
Olympus Mons is the youngest of the large volcanoes on Mars, having formed during the Martian Hesperian Period with eruptions continuing well into the Amazonian Period. It has been known to astronomers since the late 19th century as the albedo feature Nix Olympica (Latin for "Olympic Snow"), and its mountainous nature was suspected well before ...
Arsia Mons once spewed molten rock across the surface of Mars, but some smaller volcanic features may have come from another source. In a select few places on Earth, mud erupts rather than molten ...
Elysium Mons / ɪ ˈ l ɪ z i ə m ˈ m ɒ n z / is a volcano on Mars located in the volcanic province Elysium, at , in the Martian eastern hemisphereIt stands about 12.6 km (41,000 ft) above its base, [2] and about 14.1 km (46,000 ft) above the Martian datum, [2] making it the third tallest Martian mountain in terms of relief and the fourth highest in elevation.
If it feels like your week has been dragging on forever, consider this — a volcano on Mars once erupted for 2 billion years straight, which is nearly half of the planet's 4.5 billion-year lifetime.
The Tharsis Montes (/ ˈ θ ɑːr s ɪ s ˈ m ɒ n t iː z /) are three large shield volcanoes in the Tharsis region of the planet Mars. From north to south, the volcanoes are Ascraeus Mons, Pavonis Mons and Arsia Mons. Mons (plural montes) is the Latin word for mountain; it is a descriptor term used in astrogeology for mountainous features in ...