Listar División de Geociencias Aplicadas por título
Mostrando ítems 233-250 de 250
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The Ahualulco Volcanic Complex: Geochemistry and temporal evolution of Oligocene felsic volcanism, in the east of the Mesa Central, San Luis Potosí, Mexico [El complejo volcánico de Ahualulco: geoquímica y evolución temporal del vulcanismo félsico del Oligoceno, en el oriente de la Mesa Central, San Luis Potosí, México]
(Instituto de Geociencias, UNAM, 2023)The Ahualulco Volcanic Complex (AVC), in the southern region of the Mesa Central of Mexico, consists of a set of Cenozoic volcanic rocks, which includes andesites. The AVC was emplaced in the middle Eocene, followed by ... -
The Greater Himalayan thrust belt: Insight into the assembly of the exhumed Himalayan metamorphic core, Modi Khola valley, central Nepal
(American Geophysical Union, 2020)"Strike-parallel discontinuities within the Himalayan metamorphic core are interpreted to reflect thrust-sense movement. There is, however, disagreement on the nature and sense of movement across one such structure in ... -
The Ilopango Tierra Blanca Joven (TBJ) eruption, El Salvador: Volcano-stratigraphy and physical characterization of the major Holocene event of Central America
(Elsevier, 2019)"The Ilopango caldera is the source of the large Tierra Blanca Joven (TBJ) eruption that occurred about 1.5 ka years ago, between ca. AD270 and AD535. The eruption dispersed volcanic ash over much of the present territory ... -
The labile fractions of metals and arsenic in mining?impacted soils are explained by soil properties and metal source characteristics
(Wiley, 2020)"Isotopically exchangeable metals in soil, also termed labile metals, are reversibly bound to soil surface and are a better index of the environmental risk of the metals than are their total concentrations. In this study, ... -
The VISHMOD methodology with hydrochemical modeling in intermountain (karstic) aquifers: case of the Sierra Madre Oriental, Mexico
(2014)"Hydrogeochemistry can be studied qualitatively using graphics such as scatter plots and Piper, Durov, and Schoeller diagrams, among others, and quantitatively by applying mass balance mixing models. The VISHMOD methodology ... -
Timing of speleogenesis of Las Karmidas Cave (Mexico): first description of pseudokarst developed in ignimbrite
(Union Internationale de Spéléologie, 2017)"Las Karmidas Cave (Puebla State, Mexico) is an unusual type of pseudokarstic cavity generated by piping and erosive processes within the contact of a diamicton and an overlying Quaternary ignimbrite. Morphological evidence ... -
Towards of multi-source data fusion framework of geo-referenced and non-georeferenced data: prospects for use in surface water bodies
(Taylor & Francis, 2023)This paper proposes an approach of fusion geo-referenced and non-georeferenced data. These data can be acquired by a) unmanned surface vehicles (USVs), b) unmanned aerial vehicles (UAVs), c) airborne and submersible optical ... -
Transitional adakite-like to calc-alkaline magmas in a continental extensional setting at La Paz Au-Cu skarn deposits, Mesa Central, Mexico: metallogenic implications
(2008)"The granodiorite intrusions with associated Cu-Au skarn mineralization of La Paz district are located in the east part of the Mesa Central of Mexico. The skarn developed at the contact between a middle Cretaceous ... -
Transparency of cosmic radio waves caused by seismic and volcano activities
(2014-09)"The generation of different waves in the atmosphere and ionosphere caused by seismic and volcano activities has changed the transparency for cosmic radio waves. It is possible to analyze two cases: the first case caused ... -
Tratamiento de circón por el método de abrasión química para disminuir la discordancia en la datación in-situ por el método de U-Pb
(2023-05-19)El circón (ZrSiO4) es un mineral que se puede encontrar en rocas ígneas, metamórficas y sedimentarias. Es comúnmente utilizado en geocronología para fechamiento por U-Pb, así como para complementar investigaciones geoquímicas ... -
Tropical coral reef system hydrodynamics in the western Gulf of Mexico
(2016-06)"The acoustic Doppler current profiler, temperature, salinity and density data set were recorded monthly over the course of a year in a tropical coral reef system to elucidate the effects of abrupt bathymetric changes on ... -
ULF Activity in the Earth Environment: Penetration of Electric Field from the Near-Ground Source to the Ionosphere under Different Configurations of the Geomagnetic Field
(MDPI, 2021)"The problem with the penetration of electric fields from atmospheric near-Earth electric current sources to the ionosphere is investigated both within the dynamic simulations of the Maxwell equations in the frequency ... -
Understanding the dynamics and contamination of an urban aquifer system using groundwater age (14C, 3H, CFCs) and chemistry
(Wiley, 2017)"The quality of the groundwater supplying drinking water to the Guadalajara metropolitan area has deteriorated due to both endogenic and exogenic processes. Previous studies of this complex neotectonic volcanic environment ... -
Vientos de Santa Ana y tormentas de polvo en el Noroeste de México
(2017-06)"Los vientos de Santa Ana representan un fenómeno meteorológico de gran impacto ambiental en el noroeste de México y suroeste de USA. Se presentan los resultados del estudio de los vientos de Santa Ana en el evento de ... -
Vulnerabilidad acuífera e índices de calidad del agua en acuíferos del Bajío
(2023-07-10)"En este trabajo se realizó la caracterización hidrogeoquímica, vulnerabilidad acuífera DRASTIC y calidad del agua para consumo humano y agrícola de los acuíferos administrativos de Irapuato-Valle de Santiago y Valle de ... -
Water poverty index in arid zones: the barril aquifer, Santo Domingo, San Luis Potosí, México
(Universidad Nacional Autónoma de México, Universidad Autónoma de Tlaxcala, Universidad Veracruzana, Universidad Autónoma de Occidente, Centro de Ciencias de la Atmósfera, 2019)"In Mexico, 73.7 % of the territory is made up of arid and semi-arid zones where groundwater is the main source of supply for the population's various activities. The municipality of Santo Domingo is in such a case, with ... -
Water poverty index in subtropical zones: The case of Huasteca Potosina, Mexico
(2015-08)"Tools are needed in order to evaluate an integrated water resource management, and to encourage the management and coordinated usage of water resources along with the environmental and socioeconomic factors. One of those ... -
Wrinkle ridges on Mercury and the Moon within and outside of mascons
(Elsevier, 2019)"Found on all terrestrial planets, wrinkle ridges are anticlines formed by thrust faulting and folding resulting from crustal shortening. The MErcury Surface, Space Environment, Geochemistry, and Ranging (MESSENGER) ...