Results 71 to 80 of about 21,832 (251)
Magmatic record of India-Asia collision [PDF]
, 2015 This work was financially co-supported by Chinese Academy of Sciences (XDB03010301) and other Chinese funding agencies (Project 973: 2011CB403102 and 2015CB452604; NSFC projects: 41225006, 41273044, and 41472061).New geochronological and geochemical data
Cawood, Peter Anthony +8 more
core +1 more source
Petit-spot as definitive evidence for partial melting in the asthenosphere caused by CO2
Nature Communications, 2017 The deep carbon cycle plays an important role on the chemical differentiation and physical properties of the Earth’s mantle. Especially in the asthenosphere, seismic low-velocity and high electrical conductivity due to carbon dioxide (CO2)-induced ...
S. Machida, T. Kogiso, N. Hirano
semanticscholar +1 more source
Geophysical Research Letters, Volume 53, Issue 5, 16 March 2026.Abstract Impedance spectrometry experiments have been conducted on CaCO3 up to 15 GPa and 2,100 K to identify its state under high pressure. The melting temperature of CaCO3 was also determined by the falling of a Re sphere observed via X‐ray radiography. The phase transition from aragonite to the amorphous phase does not cause a leap in the Electrical
Bin Zhao +6 more
wiley +1 more source
Dynamic evolution of changbaishan volcanism in Northeast China illuminated by machine learning
Frontiers in Earth Science, 2023 Previous studies propose that there is a mantle upwelling that generated the Cenozoic basalts in Changbaishan. However, the dominant source and mechanism of the mantle upwelling remains highly debated.
Yong Zhao +4 more
doaj +1 more source
Carbonatite Melts and Electrical Conductivity in the Asthenosphere [PDF]
Science, 2008 Electrically conductive regions in Earth's mantle have been interpreted to reflect the presence of either silicate melt or water dissolved in olivine. On the basis of laboratory measurements, we show that molten carbonates have electrical conductivities that are three orders of magnitude higher than those of molten silicate and five orders of magnitude
Gaillard, Fabrice +4 more
openaire +3 more sources
Physics of the Earth and Planetary Interiors, 2018 Author(s): Billen, MI; Arredondo, KM | Abstract: © 2018 Elsevier B.V. Although most present-day subduction zones are in trench retreat, plate reconstructions and geological observations show that individual margins experience episodes of advancing ...
M. Billen, K. Arredondo
semanticscholar +1 more source
New Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.The Eastern Himalayan Syntaxis (EHS), which is located at the southeastern edge of the Qinghai–Xizang Plateau, is a key region for understanding mountain‐building and subduction processes. Bouguer gravity anomalies derived from the Earth Gravitational Model 2008 free‐air anomaly data following topographic corrections, were analyzed.
Rui Zhang +5 more
wiley +1 more source
The lithosphere-asthenosphere boundary observed with USArray receiver functions [PDF]
Solid Earth, 2012 The dense deployment of seismic stations so far in the western half of the United States within the USArray project provides the opportunity to study in greater detail the structure of the lithosphere-asthenosphere system.
P. Kumar, X. Yuan, R. Kind, J. Mechie
doaj +1 more source
Experimental evidence supports mantle partial melting in the asthenosphere
Science Advances, 2016 Based on sound velocity measurements, upper mantle seismic anomalies could be explained by a melt fraction as low as 0.2%. The low-velocity zone (LVZ) is a persistent seismic feature in a broad range of geological contexts. It coincides in depth with the
J. Chantel +5 more
semanticscholar +1 more source
Earth and Space Science, Volume 13, Issue 3, March 2026.Abstract The Southern California Earthquake Center (SCEC) Community Rheology Model (CRM) comprises a three‐dimensional geologic framework model (GFM) of southern California's lithosphere, and synthetic aggregate ductile flow laws applicable to each GFM rock type under low‐strain conditions. Given temperature, volatile content, pressure, and strain rate,
Elizabeth Hearn +6 more
wiley +1 more source