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Tag Archives: effusive volcanism
Water floods and effusive volcanism in Hrad Vallis
[Editor’s note: From a paper by Christopher Hamilton and four co-authors recently published in the Journal of Geophysical Research.] • The Hrad Vallis region of Mars includes evidence of both aqueous flooding and effusive volcanism • Lava flows in the … Continue reading
Posted in Reports
Tagged effusive volcanism, floods, Hrad Vallis, lava flows, outflow channels, volcanism
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‘Knobby terrain’ a sign of Mars’ explosive past
The Red Planet’s upper crust is brittle and weak. Planetary geologists often attribute this to effusive eruption — lava pouring out of a volcano onto the ground — early in Mars’s history with later modifications. However, some have suggested that … Continue reading
Posted in Reports
Tagged Arabia Terra, Circum-Hellas volcanic province, effusive volcanism, explosive volcanism, volcanics
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