Results 41 to 50 of about 438 (109)

Forensic Profiling Analogue Approach for the Investigation of Natural Hazards – A Case Study from Onokoba Elementary School, Unzen Volcano, Japan [PDF]

, 2021
Internal temperature variations of pyroclastic flows and their deposits are arguably the most challenging data to acquire. As a preliminary study of the temperature variation inside pyroclastic flows, the remains of Onokoba Elementary School (Shimabara ...
Bradák, Balázs, Gomez, Christopher, Hotta, Norifumi, Shinohara, Yoshinori   +3 more
core   +2 more sources

Shallow structure of Los Humeros (LH) caldera and geothermal reservoir from magnetotellurics and potential field data

Geophysical Journal International, 2020
SUMMARYThis study focuses in the analysis of the internal structure of the upper 3 km of Los Humeros (LH) caldera and the relation of electrical and hydrothermal anomalies. For this purpose, we measured, processed and interpreted 78 broad-band magnetotelluric (MT) soundings.
Fernando Corbo-Camargo, Jorge Arzate, Emilia Fregoso, Gianluca Norini, Gerardo Carrasco-Núñez, Vsevolod Yutsis, Juan Herrera, Javier Hernández   +7 more
openaire   +2 more sources

Hydrothermal Signatures Discovered in Outcropping Rocks of the Los Humeros Geothermal Field (Mexico): A Geochemometric Exploration Case Study

Geofluids, Volume 2024, Issue 1, 2024.
Hydrothermal geochemical signatures in outcropping rock samples of the super‐hot Los Humeros geothermal field were discovered by using an integrated geochemometric study of the mobility of components (major oxides) and trace elements. Chemical component and element mobilities were determined by using the Gresens–Grant equation for mass balances.
D. Yáñez-Dávila, E. Santoyo, E. González-Partida, Kailasa Pandarinath, G. Santos-Raga, Sumit Mishra, Z. G. Gómez-Salgado, Chris Harris   +7 more
wiley   +1 more source

Santa Cecilia, una obra que busca su autor y su fecha de nacimiento [PDF]

, 2000
Con motivo de la restauración de los cuadros de la Capilla de los Humeros, de Sevilla, llevada a cabo en 1999, surge la necesidad de investigar la historia de estas obras. El presente estudio se refiere a una de ellas: Santa Cecilia.
Albarrán Fernández, José Vicente, Calle González, Juan Manuel (Coordinador)   +1 more
core  

Caldera collapse and tectonics along the Main Ethiopian Rift: Reviewing possible relationships [PDF]

, 2021
The Main Ethiopian Rift (MER) represents an area where volcanism and tectonics interact to create closely linked volcano-tectonic features. This linkage is paramount in the axial portion of the rift, where magmatic segments localize several large ...
Bonini, M., Corti, G., Maestrelli, D., Montanari, D., Sani, F.   +4 more
core   +2 more sources

Thermodynamic state updated of the volcanic caldera and geothermal reservoir of Los Humeros, Puebla, Mexico

IOP Conference Series: Earth and Environmental Science, 2008
Based on information of enthalpies of the fluids of wells from the geothermal reservoir of Los Humeros, Puebla, Mexico, we determined the thermodynamic conditions of the reservoir comparing the values of enthalpies of the fluids of discharge of the wells with the values published in the literature for different thermodynamic state of fluids.
José Martínez Reyes, Eduardo Gonzalez Partida, Renee J Perez, Michel Tinoco, A Jorge   +4 more
openaire   +1 more source

Evidence for fracture-hosted fluid-rock reactions within geothermal reservoirs of the eastern trans-Mexico volcanic belt [PDF]

, 2021
Fractures within hydrothermal systems represent major pathways for fluid flow, and it is therefore vital that we understand processes occurring along them as these may have an impact on productivity of hot fluids during geothermal exploitation. This is
Bar, Kristian, Kilpatrick, Andrew, Lacinska, Alicja, Rochelle, Chris, Rushton, Jeremy, Sass, Ingo, Weydt, Leandra M.   +6 more
core  

Seismic imaging of the magmatic plumbing system and geothermal reservoir of the Los Humeros caldera (Mexico) using anisotropic shear wave models

Journal of Volcanology and Geothermal Research, 2022
Abstract Since the nineteen-eighties, the depth, number, position and shape of the heat sources feeding the super-hot geothermal system of the Los Humeros caldera (Mexico) is under debate. With the aim of providing a seismic constraint of this region, we present a high resolution three-dimensional anisotropic shear wave velocity model.
Granados-Chavarría, I., Calò, M., Figueroa-Soto, Á., Jousset, P.   +3 more
openaire   +3 more sources

Generation of high-silica rhyolite: A Nd, Sr, and O isotopic study of Sierra La Primavera, Mexican Neovolcanic Belt [PDF]

, 1988
High-silica rhyolites of the Sierra La Primavera, a late Pleistocene center near Guadalajara, are extremely Sr-poor (0.3–1.3 ppm), yet (with one exception) values of 87 Sr/ 86 Sr i are relatively low at 0.7041–0.7048. Values of 143 Nd/ 144 Nd for all the
Halliday, Alexander N., Mahood, Gail A.
core   +1 more source

A fracture flow permeability and stress dependency simulation applied to multi-reservoirs, multi-production scenarios analysis

Geothermal Energy, 2019
The use of the subsurface and the exploitation of subsurface resources require prior knowledge of fluid flow through fracture networks. For nuclear waste disposal, for the enhancement of hydrocarbon recovery from a field, or the development of an ...
Baptiste Lepillier, Alexandros Daniilidis, Nima Doonechaly Gholizadeh, Pierre-Olivier Bruna, Juliane Kummerow, David Bruhn   +5 more
doaj   +1 more source