Data from the Juno spacecraft also suggest that Jupiter’s moon has a relatively smooth, low-density surface.
lava & magma
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One Billion Years Ago, Northern Minnesota Nearly Split Apart. Now, Two Companies Want to Mine the Aftermath.
A continental rift created valuable mineral deposits beneath a remote wilderness beloved by recreationists.
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A Unique African Volcano Could Solve a Mystery on Mercury
New data from Ol Doinyo Lengai in Tanzania suggest that carbon-rich volcanic activity could be responsible for the mysterious “hollows” observed on the surface of Mercury.
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Heavy Rainfall Inflates Mount Fuji
The uplift, several centimeters in magnitude, is likely caused by water pooling in the mountain’s shallow aquifers. The effect is shorter lived than deformation caused by magmatic activity.
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Scientists Find Thousands of Cubic Kilometers of Magma Hiding Beneath Tuscany
We already know what’s Under the Tuscan Sun. Now, a technique called ambient noise tomography has allowed researchers to see deep under the Tuscan crust.
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Mongolian Mountains Rose When the Crust Bounced Back
A plate folded, the lithosphere sank, and up popped a mountain range.
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Hydrothermal Heat Flow as a Window into Subsurface Arc Magmas
What can warm fluids in arc crust tell us about how much magma is lurking underground? Hydrothermal heat fluxes provide constraints on the supply of magma from the mantle in subduction zones.
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Volcanism Could Lead to Less, Not More, Atmospheric CO₂
The atmospheric concentration of carbon dioxide temporarily fell by 50% immediately preceding a period of intense volcanism, likely because of increased weathering, new results reveal.
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New Evidence Points to Venusian Lava Tubes, and They’re Really Big
Researchers bring new life to 30-year-old Magellan data to unearth the first direct evidence of the long-hypothesized structures.
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A Mid-Ocean Ridge in the Norwegian Sea Pumps Out Hydrogen
Vent fluids collected from the Knipovich Ridge contain unexpectedly high concentrations of hydrogen, potentially produced by the degradation of organic matter.