Results 41 to 50 of about 106 (72)
Fechamiento paleomagnético de flujos de lava recientes de la caldera de Los Humeros, Puebla
, 2016 openaire +1 more source
Modeling Intra‐Caldera Resurgence Settings: Laboratory Experiments With Application to the Los Humeros Volcanic Complex (Mexico) [PDF]
Journal of Geophysical Research: Solid Earth, 2021 AbstractScaled analogue models explored the role of different boundary conditions in intra‐caldera resurgence processes. Models investigated the role of magma intrusion depth (ID) (Series 1), asymmetric and symmetric caldera collapse (Series 2), as well as the presence of existing discontinuities in the pre‐volcanic substratum (Series 3) on the style ...
Marco Bonini +2 more
exaly +5 more sources
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.
Marco Calò +2 more
exaly +4 more sources
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 +2 more
exaly +3 more sources
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Geochemistry of Los Humeros Caldera, Puebla, Mexico
Bulletin of Volcanology, 1982Geochemistry of Pliocene to recent volcanic rocks from Los Humeros caldera (19°30′ N – 19°50′ N and 97°15° W – 97°35′ W) in East-Central mexico is described. The volcanic rocks from this area seem to represent both alkali and high-alumina basalt series, or both calcalkaline and high-K calc-alkaline sequences.
S P Verma
exaly +2 more sources
Journal of Volcanology and Geothermal Research, 2014
Abstract The Cuicuiltic Member (CM) at Los Humeros Caldera, eastern Mexican Volcanic Belt is a Holocene (6.4 ka B.P.) succession of alternated fallout deposits of contrasting composition (trachydacite pumice and basaltic andesite scoria). The CM covers approximately 250 km2 on its proximal facies and its thickness ranges from 1.5 m to 8.0 m.
Pablo Dávila-Harris +1 more
exaly +2 more sources
Abstract The Cuicuiltic Member (CM) at Los Humeros Caldera, eastern Mexican Volcanic Belt is a Holocene (6.4 ka B.P.) succession of alternated fallout deposits of contrasting composition (trachydacite pumice and basaltic andesite scoria). The CM covers approximately 250 km2 on its proximal facies and its thickness ranges from 1.5 m to 8.0 m.
Pablo Dávila-Harris +1 more
exaly +2 more sources
Geochemical evidence for a lithospheric source for magmas from Los Humeros caldera, Puebla, Mexico
Chemical Geology, 2000Abstract This study reports new geochemical and Sr–Nd–Pb radiogenic isotope data on hy-normative Quaternary basaltic to rhyolitic volcanic rocks as well as two samples of Mesozoic to Palaeozoic intrusive igneous rocks from Los Humeros caldera (LHC), located in the eastern part of the Mexican Volcanic Belt (MVB).
Surendra P Verma
exaly +3 more sources
Magma genesis and chamber processes at Los Humeros caldera, Mexico—Nd and Sr isotope data
Nature, 1983The Mexican volcanic belt (MVB), a roughly east–west structure, consists of many late Tertiary and Quaternary cindercones, domes, calderas and stratovolcanoes1,2. Los Humeros caldera (approximately 19°40′ N latitude, 97°25′ W longitude) lies on the northeastern part of the MVB where the belt overlaps with another major volcanic province, the Eastern ...
Verma Surendra P
exaly +2 more sources