The dark and relatively featureless lunar plains, clearly seen with the naked eye, are vast solidified pools of ancient lava called maria.
Volcanism on the Moon is represented by the presence of volcanoes, pyroclastic deposits and vast lava plains on the lunar surface. The volcanoes are typically in the form of small domes and cones that form large volcanic complexes and isolated edifices. Calderas, large-scale collapse features generally formed late in a volcanic eruptive episode, are exceptionally rare on the Moon. Lunar pyroclastic deposits are the result of lava fountain eruptions from volatile-laden basaltic magmas rapidly ascending from deep mantle sources and erupting as a spray of magma, forming tiny glass beads. However, pyroclastic deposits formed by less common non-basaltic explosive eruptions are also thought to exist on the Moon. Lunar lava plains cover large swaths of the Moon's surface and consist mainly of voluminous basaltic flows. They contain a number of volcanic features related to the cooling of lava, including lava tubes, rilles and wrinkle ridges.
The Moon has been volcanically active throughout much of its history, with the first volcanic eruptions having occurred about 4.2 billion years ago. Volcanism was most intense between 3.8 and 3 billion years ago, during which time much of the lunar lava plains were created. This activity was originally thought to have petered out about 1 billion years ago, but more recent evidence suggests that smaller-scale volcanism may have occurred in the last 50 million years. Today, the Moon has no active volcanoes even though a significant amount of magma may persist under the lunar surface.
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VolcanismontheMoon is represented by the presence of volcanoes, pyroclastic deposits and vast lava plains onthe lunar surface. The volcanoes are typically...
the heat needed for volcanism. Volcanismon outer solar system moons is powered mainly by tidal heating. Tidal heating caused by the deformation of a body’s...
Volcanismon Io, a moon of Jupiter, is represented by the presence of volcanoes, volcanic pits and lava flows onthe surface. Io's volcanic activity was...
impacts, the geomorphology of the lunar surface has been shaped by volcanism, which is now thought to have ended less than 50 million years ago. TheMoon is...
resources. VolcanismontheMoon Martian lava tube Rille Greeley, Ronald (December 1971), "Lava Tubes and Channels in the Lunar Marius Hills", TheMoon, 3 (3):...
et al. (2012). "Young mare volcanism in the Orientale region contemporary with the Procellarum KREEP Terrane (PKT) volcanism peak period 2 b.y. ago". Geophysical...
Apollo 11 landing site Mare Tranquillitatis VolcanismontheMoon List of maria ontheMoonMoonMoon rabbit Moon rock Selenography "mare". Lexico UK English...
typically used to describe any of the long, narrow depressions in the surface of theMoon that resemble channels. The Latin term is rima, plural rimae...
18 Aristarchus (crater) Human Lunar Return study Mare Cognitum VolcanismontheMoon Wikimedia Commons has media related to Oceanus Procellarum. "Oceanus...
are a highly distinctive form of intraplate volcanism, set apart from all other forms of volcanism by the huge volumes of lava erupted in geologically...
showing the crater Shapley near center at the edge of the mare, and the distal wall of the crater Greaves near the horizon VolcanismontheMoon "Mare Crisium"...
photograph taken on the moon, was taken on Mare Tranquillitatis. Lists of astronomical objects VolcanismontheMoon See spelling differences Wikimedia Commons...
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occur all at once across the lunar surface, but rather took place at different times at different locations. VolcanismontheMoon "Mare Cognitum". Gazetteer...
the animation Pretty Guardian Sailor Moon Crystal, Mare Serenitatis is the location of Silver Millennium and the original Moon Castle. Volcanismon the...
that is 90% basalt, and about 65% of the planet consists of a mosaic of volcanic lava plains, indicating that volcanism played a major role in shaping its...
the innermost moon, has a sulfur surface, active volcanism and no sign of ice. All this evidence suggests that the nearer a moon is to Jupiter the hotter...
2006, it was suggested that Ina was the result of a gas eruption in the last 10 million years. VolcanismontheMoon "Lacus Felicitatis". Gazetteer of Planetary...
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compositionally distinct from the Apollo and Luna landing sites. Sinus Iridum Sinus Lunicus Palus Putredinis VolcanismontheMoon "Mare Imbrium". Gazetteer...
formation and volcanismon their surfaces. The largest of these five, Titania, is 1,578 km in diameter and the eighth-largest moon in the Solar System...
teardrop-shaped crater in the lower left is Torricelli. VolcanismontheMoon Smart Lander for Investigating Moon "Mare Nectaris". Gazetteer of Planetary Nomenclature...
recognized in the disc of the full moon; they are generally known as the Man in theMoon. The images are based onthe appearance of the dark areas (known...
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