Results 91 to 100 of about 10,806 (258)

Orthopyroxene-dominated upper mantle melting built the early crust of the Moon

Communications Earth & Environment
The paradigm of lunar crust formation has been widely applied to other terrestrial bodies, but the nature of early crust building on the Moon remains enigmatic.
Si-Zhang Sheng, Bin Su, Shui-Jiong Wang, Yi Chen, Qiu-Li Li, Hao Wang, Hejiu Hui, Shitou Wu, Bo Zhang, Jiang-Yan Yuan   +9 more
doaj   +1 more source

Fault‐Controlled Permeability: A Key Parameter in Geothermal Electricity Production Assessment

Terra Nova, EarlyView.
ABSTRACT Geothermal energy is central to the global green energy transition, but its development has long focused on regions with positive thermal anomalies. Through a semi‐quantitative global‐scale review and spatial analysis of 361 geothermal sites, we show that 56.2% of global geothermal electricity production occurs in regions with thermal ...
Vincent Roche, Gaétan Milesi
wiley   +1 more source

Impact of compressibility on heat transport characteristics of large terrestrial planets [PDF]

, 2017
We present heat transport characteristics for mantle convection in large terrestrial exoplanets (M⩽8M⊕). Our thermal convection model is based on a truncated anelastic liquid approximation (TALA) for compressible fluids and takes into account a ...
Mantle dynamics & theoretical geophysics, Michel Jacobs, Hana Čížková, Arie van den Berg, van den Berg, Arie, Čížková, Hana, Jacobs, Michel   +6 more
core   +1 more source

Hot Spring Gas Geochemistry in Western Sichuan Province, China After the Wenchuan Ms 8.0 Earthquake

Terrestrial, Atmospheric and Oceanic Sciences, 2015
The chemical components, He, Ne, and C isotropic ratios of gas samples collected thrice from 32 hot springs in western Sichuan Province, southwestern China in June and October 2008 and June 2009 were investigated in order to discuss the relationship ...
Xiaocheng Zhou, Wanchun Wang, Zhi Chen, Li Yi, Lei Liu, Chao Xie, Yuejü Cui, Jianguo Du, Jianwu Cheng, and Liming Yang   +9 more
doaj   +1 more source

Tectonic significance of changes in post-subduction Pliocene-Quaternary magmatism in the south east part of the Carpathian-Pannonian Region [PDF]

, 2010
The south-eastern part of the Carpathian–Pannonian region records the cessation of convergence between the European platform/Moesia and the Tisza–Dacia microplate.
Downes, H., Szacáks, A., Maţenco, L., Szakács, A., Mason, P.R.D., Seghedi, I., Matenco, L.C., Downes, Hilary, Pécskay, Z.   +8 more
core   +1 more source

First Identification of Mafic Igneous Enclaves in Miocene Lavas of Southern Tibet With Implications for Indian Continental Subduction

Geophysical Research Letters, 2018
The history of Indian continental subduction beneath Asian plate remains unclear. Miocene ultrapotassic rocks in southern Tibet, with extremely enriched isotopes, have often been used to trace mantle metasomatism and geodynamic processes associated with ...
Lu‐Lu Hao, Qiang Wang, Derek A. Wyman, Yue Qi, Lin Ma, Fang Huang, Le Zhang, Xiao Ping Xia, Quan Ou   +8 more
doaj   +1 more source

Large-scale adaptive mantle convection simulation [PDF]

A new generation, parallel adaptive-mesh mantle convection code, Rhea, is described and benchmarked. Rhea targets large-scale mantle convection simulations on parallel computers, and thus has been developed with a strong focus on computational efficiency
Wilcox, Lucas C., Gurnis, Michael, Ghattas, Omar, Burstedde, Carsten, Tan, Eh, Alisic, Laura, Stadler, Georg   +6 more
core   +1 more source

Mass-dependent dynamics of terrestrial exoplanets using ab initio mineral properties [PDF]

, 2019
We present new modelling results for the internal structure and convective dynamics of large terrestrial (rocky) exoplanets. By going out to 20 Earth masses our results show that pressure and temperature can reach several Terapascal (TPa) and 10000 K ...
Mantle dynamics & theoretical geophysics, Wentzcovitch, R. M., van den Berg, A.P., Jacobs, M.H.G., Wentzcovitch, R.M., Jacobs, M. H.G., Yuen, D.A., Umemoto, K., van den Berg, A. P., Yuen, D. A.   +9 more
core   +1 more source

Petrogenesis of lavas from Detroit Seamount: Geochemical differences between Emperor Chain and Hawaiian volcanoes [PDF]

, 2005
The Hawaiian Ridge and Emperor Seamount Chain define a hot spot track that provides an 80 Myr record of Hawaiian magmatism. Detroit Seamount (∼76 to 81 Ma) is one of the oldest Emperor Seamounts.
S. Huang, Frey, F., M. Regelous, F. A. Frey, Huang, S., Regelous, M., Frey, F. A., T. Thordarson, Thordarson, T.   +8 more
core   +1 more source

Trace element and isotope constraints on crustal anatexis by upwelling mantle melts in the North Atlantic Igneous Province: an example form the Isle of Rum, NW Scotland [PDF]

, 2009
Sr and Nd isotope ratios, together with lithophile trace elements, have been measured in a representative set of igneous rocks and Lewisian gneisses from the Isle of Rum in order to unravel the petrogenesis of the felsic rocks that erupted in the early ...
C. HENRY EMELEUS, ROMAIN MEYER, Emeleus, H., Nicoll, G.R., JAN HERTOGEN, Troll, Valentin R.,, Meyer, R., Ellam, R., Emeleus, C.H., Hertogen, J., Troll, V.R., Ellam, R.M., GRAEME R. NICOLL, VALENTIN R. TROLL, ROBERT M. ELLAM   +14 more
core   +1 more source