A5060371272- Geochemistry and Geologic Mapping
- Geological and Geochemical Analysis
- Geological and Tectonic Studies in Latin America
- Paleontology and Stratigraphy of Fossils
- earthquake and tectonic studies
- Evolution and Paleontology Studies
- Geology and Paleoclimatology Research
- Environmental and Cultural Studies in Latin America and Beyond
- Geomagnetism and Paleomagnetism Studies
- Botany and Geology in Latin America and Caribbean
- Wildlife Ecology and Conservation
- Isotope Analysis in Ecology
- Archaeological and Geological Studies
- Geological formations and processes
- Archaeology and Natural History
- Geochemistry and Elemental Analysis
- Marine Biology and Ecology Research
- Cryospheric studies and observations
- Environmental Justice and Health Disparities
- Archaeological and Historical Studies
- Heavy metals in environment
- Geophysical and Geoelectrical Methods
- High-pressure geophysics and materials
- Pleistocene-Era Hominins and Archaeology
- Polar Research and Ecology
Autonomous University of San Luis Potosí
2012-2023
Universidad Nacional Autónoma de México
2019
Instituto de Química del Noroeste Argentino
1997
Consejo Nacional de Investigaciones Científicas y Técnicas
1997
ResumenEl Campo Volcánico de San Luis Potosí, se localiza en la porción sur-oriental Mesa Central y está formado principalmente por una secuencia lavas flujos piroclásticos con edades que van desde el Eoceno medio hasta Cuaternario.En general, Potosí tuvo cinco etapas principales vulcanismo.La primera etapa estuvo restringida al consistió emisión andesíticas.La segunda fue más voluminosa sucedió período entre 32 28 Ma.En ésta predominó actividad efusiva formó cadenas domos exógenos...
Una serie de disques piroclásticos en el Campo Volcánico San Luis Potosí está asociada a fallas regionales que cortan y basculan la secuencia volcánica terciaria (37-27 Ma). Estos diques muestran sus raíces las formaciones riolita Miguelito e ignimbrita Cantera están expuestos los arroyos El Juachín Las Cabras. Los tienen una inclinación casi vertical, su anchura es variable (máximo 60 cm) constituidos principalmente por ceniza volcánica, consiste vitroclastos o esquirlas vidrio formadas...
The Mesa Virgen Calerilla (MVC) is located in the state of Zacatecas, Mexico. most intense volcanism, which occurred during Eocene, formed extensive ignimbrite deposits exposed some parts as lava spills rhyolitic (felsic) composition. This felsic volcanism may represent much MVC. study describes whole‐rock geochemistry and mineralogy data from volcanic rocks MVC to address their petrogenesis tectonic setting. covers a compositional spectrum ranging trachyte, dacite, high‐silica rhyolite....
En el noreste de México se han reportado algunos afloramientos rocas volcánicas Triásicas y Jurásicas, cuyas características petrológicas geoquímicas demuestran una afinidad arco que permite relacionarlas a margen continental activa. Más elementos apoyan este ambiente tectónico localizan en los estados Durango, Zacatecas, San Luis Potosí, Nuevo León Tamaulipas, donde secuencia siliciclástica tipo flysch la porción occidental un bloque pre-mesozoico oriental subyacen volcanogénica. presente...
Abstract The Joya Honda maar (JHm) is located in central Mexico, 35 km NNE of the city San Luis Potosí. It lies Plio-Quaternary alkaline Ventura-Espíritu Santo Volcanic Field eastern part Mesa Central province. JHm eruption occurred at 311±19 ka ( 40 Ar/ 39 Ar) along a fissure that formed an elliptical crater c. 1.3×0.9 wide and 270 m deep) with major axis oriented to ENE–WSW. generated pyroclastic surge deposits preferentially extended up distance 7 NW–NE crater, very limited distribution...
espanolThe Valles-San Luis Potosi Platform is part of an extensive carbonate platform system that rimmed the ancestral Gulf Mexico during middle (Albian) through Upper Cretaceous. The El Abra Formation consists a shallow-water deposit; it contains benthic foraminiferal assemblage includes 18 species, which are described and illustrated in this paper. studied successions from upper were dated as mid-late Cenomanian. On basis these findings, two zones proposed Pseudolituonella reicheli...
Sixty per cent of the Rio Blanco basin (54 km2), located between 32°54′ and 33°01′S 69°27′ 69°15′W, in Cordón del Plata, Frontal Cordillera, can be considered to periglacial. The most important forms area are rock glaciers, two which, Morenas Coloradas El Salto, active down 3400 3600 m ASL respectively. glaciers not equilibrium with present climate since mean annual air temperature is 1.6°C at 3560 0°C isotherm calculated 3860 ASL. A third landform cryoplanation surface Lagunita Plata an...
Abstract By using strontium isotopic ratios of dental enamel from molars, we were able to reconstruct the migration context for three individuals a Columbian mammoth population ( Mammuthus columbi ) around Laguna de las Cruces, San Luis Potosí, central México. A three-step leaching procedure was applied eliminate secondary Sr contributions in molar enamel. One studied showed 87 Sr/ 86 similar those obtained soils and plants Cruces identified as local, whereas other two mammoths had different...
During the early Maastrichtian an assemblage rich in large foraminifera, mostly composed of orbitoidal developed shallow-water deposits Cárdenas Formation (Valles-San Luis Potosí Platform, Mexico).Among them, most abundant is Lepidorbitoides minima, some which display a morphologically abnormal test consisting polyvalent forms, conical tests and budding, could be induced by abrupt changes environmental factors.The occurrence abnormalities preceded demise this species all larger foraminiferal...
The Yolomécatl area, northwestern Oaxaca, Sierra Madre del Sur Morphotectonic Province, Mexico, lies between 17°25′N and 17°30′N latitude, 97°29′W 97°36′W longitude, at 2200–2500 m above sea level, includes ∼90 km2 of rugged territory, where lithostratigraphic units Late Jurassic to Quaternary age crop out. Tertiary succession, which unconformably overlies Mesozoic formations, the Nduayaco 'Group,' a stack intermediate lava flows, Formation, lacustrine/fluvial sequence ∼650 thick, sparsely...
Geocronología y características geoquímicas de un conjunto domos riolíticos terciarios 183 ResumenEn el Campo Volcánico San Luis Potosí (CVSLP) existen dos rasgos tectónicos forma semicircular.En menor ellos están emplazados una serie que presentan mineralización topacio casiterita.Las químicas las lavas forman los incluyen contenido elevado SiO 2 (>75 % en peso), Al O 3 (11-13 Na O+K (7.5-9.0 peso) bajo CaO (< 1 MgO TiO 0.15 peso).Estas se caracterizan por su proporción elevada K O/ (1.22...
The Compostela area is located in the western Trans‐Mexican Volcanic Belt, which consists of volcanic rocks that produced during Pliocene to Recent volcanism. In this paper, we present petrography, whole‐rock major‐ and trace‐element concentrations, Ar–Ar ages, Sr–Nd isotopic data from south city Tepic, Nayarit, Mexico. These are intermediate composition belong transitional series: basaltic trachyandesites [52.72–53.94 wt% SiO 2 ; 0.69–2.53 MgO] subalkaline low‐Si [55.11–60.94 0.79–2.74...