Results 151 to 160 of about 27,251 (208)

Subsurface mechanical architecture of coronae on Venus and its implications for processes governing fractures and seismicity. [PDF]

Sci Rep
De Toffoli B, Mazzarini F.
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Reply to: Reassessing gas generation from oil thermal cracking associated with the Emeishan Large Igneous Province. [PDF]

Nat Commun
Chen C, Qin S, Wang Y, Holland G, Wynn P, Zhong W, Zhou Z.   +6 more
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Noble Gas Isotopes and Nitrogen Isotopologues Reveal Deep Sources and Subsurface Fractionation in Yellowstone Gases. [PDF]

ACS Earth Space Chem
Broadley MW, Barry PH, Tyne RL, Bekaert DV, Karolyte R, Hudak MR, McPaul K, Ramirez CJ, Curtice J, Lloyd KG, Ballentine CJ, Marty B, Young ED, Seltzer AM.   +13 more
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Protracted circum-continent subduction: A mechanism for craton destruction and a rationale for craton longevity. [PDF]

Proc Natl Acad Sci U S A
Xu X, Zuza AV, Liu L, Zhu W, Sun Y, Wang B, Kuang X, Han S, Zhang X, Zhang W, Fu X, Pearson DG, Liu J.   +12 more
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A spectrum of tectonic processes at coronae on Venus revealed by gravity and topography. [PDF]

Sci Adv
Cascioli G, Gülcher AJP, Mazarico E, Smrekar SE.   +3 more
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Mantle plume tomography

Chemical Geology, 2007
We review the resolution currently available with seismic tomography, in particular the ability of seismic waves to image mantle plumes, and discuss frequently asked questions about artifacts, interpretation and possible systematic errors. These aspects are discussed in more detail for two case histories offering different problems in the tomographic ...
Guust Nolet, Richard Allen, Dapeng Zhao
openaire   +1 more source

Mantle Plumes and Continental Tectonics

Science, 1992
Mantle plumes and plate tectonics, the result of two distinct modes of convection within the Earth, operate largely independently. Although plumes are secondary in terms of heat transport, they have probably played an important role in continental geology.
R I, Hill, I H, Campbell, G F, Davies, R W, Griffiths   +3 more
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Mantle Amphiboles and Mantle Plumes

Mineralogical Magazine, 1998
Metasomatic minerals such as clinopyroxene, amphibole, phlogopite or apatite found in many mantle xenoliths provide evidence for fluid migration through mantle rocks and reaction with mantle minerals. The chemical composition of these minerals give us insight into the nature and composition of the percolating fluids, the processes of fluid-melt ...
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Mantle plumes persevere

Nature Geoscience, 2011
The ocean floor is littered with hundreds of thousands of mostly extinct volcanoes. The origin of at least some of these seamounts seems to rest with mantle plumes.
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Mantle plumes and geochemistry

Chemical Geology, 2007
Abstract There is considerable interest in the extent to which mantle plumes exist, how many there may be, and how best they can be recognized. It has proved unexpectedly difficult to image them consistently from seismology, and it has been suggested that they may be recognized from the geochemistry of rocks erupted at the Earth's surface.
Chris Hawkesworth, Anders Scherstén
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