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Plutonism and volcanism on the moon

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These are probably composed of compound flows composed of numerous thin flow units. Other rocks adjacent to the magma may be altered by contact metamorphism or metasomatism as they are affected by the heat and escaping or externally-circulating hydrothermal fluids. Episodic melting of the mantle rocks beneath the highland crust generated the younger mare basalts. By using this site, you agree to the Terms of Use and Privacy Policy. Retrieved May 9, Liquid phase Igneous minerals Dissolved and exolved gases. Magma that reaches the surface to become lava cools rapidly, resulting in rocks with small crystals such as basalt. Igneous rock Geothermal systems Geothermal gradient anomalies Volcanism.

  • It's Not All Basalt on the Moon Another Kind of Volcanic Rock PSRD A CosmoSparks report
  • How Volcanoes Work volcanism on the moon

  • Non-mare volcanism on the Moon was established by the analysis of the lunar.

    images plutonism and volcanism on the moon

    Impact cratering might have later exposed the plutons. Figure 4: A mosaic of. For the 18th century geological theory, see Plutonism.

    It's Not All Basalt on the Moon Another Kind of Volcanic Rock PSRD A CosmoSparks report

    Plate tectonics map with volcano locations indicated with red circles. Volcanism is the phenomenon of eruption of molten rock (magma) onto the surface of the Earth or a solid-surface planet or moon. The Earth's Moon has no large volcanoes like Hawaii or Mount St.

    images plutonism and volcanism on the moon

    Helens. However, vast plains of basaltic lavas cover much of the lunar surface. The earliest.
    Volcanoes are places where magma reaches the earth's surface.

    Main articles: Igneous rock and Metamorphic rock.

    Magma from the mantle or lower crust rises through its crust towards the surface. Large eruptions correlate well with some significant climate change events. Evidence of volcanism should still be found on any body that has had volcanism at some point in its history. The moon was first visited by the Soviet spacecraft Luna 2 in

    images plutonism and volcanism on the moon
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    Magma that remains trapped in large quantities below ground cools most slowly resulting in rocks with larger crystals, such as granite and gabbro.

    Each mare is composed of vast sheets of basaltic lava which erupted from the broken crust associated with large impact craters. These are formed where water interacts with volcanism. Main article: Volcano. The average orbital separation between these two bodies iskmmi.

    The basaltic domes on the moon appear to be the lunar equivalents of shield volcanoes found on earth.

    This article is about the process that forms volcanoes and other igneous formations.

    Their spectra hinted at silicic volcanism and their setting turned out to be the the Moon had probably occured as both extrusive lavas and as intrusive plutons. The moon, called Luna by the Romans, is our closest celestial neighbor and our only natural satellite. With a diameter of km ( mi), this rocky mass.

    The bulk of basaltic magmatism on the Moon occurred from to billion years ago on the ancient lunar mare plains(1). There is evidence for basaltic.
    There is no evidence to suggest that the impact events triggered the volcanic eruptions.

    How Volcanoes Work volcanism on the moon

    From Wikipedia, the free encyclopedia. Large eruptions correlate well with some significant climate change events. Retrieved 6 May Under this scenario, the lighter plagioclase floated upward to form an anorthosite crust, and the heavier minerals olivine and pyroxene sank toward the bottom of the magma ocean to form the moon's upper mantle. Other rocks adjacent to the magma may be altered by contact metamorphism or metasomatism as they are affected by the heat and escaping or externally-circulating hydrothermal fluids.

    images plutonism and volcanism on the moon

    Hadley Rille visited by Apollo 15 Astronauts.

    images plutonism and volcanism on the moon
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    However, the majority of the sinuous rilles are thought to the product of thermal erosion of the mare surface by exceptionally hot, fluid lava, similar in composition to the ancient eruptions of komatiite on the Earth's surface billions of years ago.

    Volcanoes are places where magma reaches the earth's surface.

    Earthquakes are generally associated with plate tectonic activity, but some earthquakes are generated as a result of volcanic activity [2] though that itself is ultimately driven by the same forces. Igneous rock Geothermal systems Geothermal gradient anomalies Volcanism.

    Wikimedia Commons has media related to Volcanism.

    Video: Plutonism and volcanism on the moon Lunar Magmatism and Volcanic Deposits #3: Unusual Volcanism Session Chair: Lisa Gaddis

    Magmatic processes. Views Read Edit View history.