Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Efrén Pérez-Segura"'
Autor:
Mónica Jacinto-Maldonado, Diana Meza-Figueroa, Martín Pedroza-Montero, David Lesbarrères, Agustín Robles-Morúa, Sofía Navarro-Espinoza, Belem González-Grijalva, Efrén Pérez-Segura, Erika Silva-Campa, Aracely Angulo-Molina, Ricardo Paredes-León
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
Despite the documented effects on human and animal health, particles smaller than 0.1 µm in diameter found in soils, sediments, and the atmosphere remain unregulated. Yet, cerium and titanium oxide nanoparticles associated with traffic increase mort
Externí odkaz:
https://doaj.org/article/bf9b3ad00a384394a1a2bc1007e10fcf
Publikováno v:
Geofísica Internacional, Vol 35, Iss 2, Pp 115-124 (1996)
La minas de plomo-zinc-plata de San Felipe (Sonora, México) se encuentran en las cercanías de una estructura que presenta las características de un complejo metamórfico (“metamorphic core complex”) por lo menos en su parte noreste. Esta estru
Externí odkaz:
https://doaj.org/article/e16617fb5cc942988f902ab7a97b9692
Publikováno v:
Epistemus, Iss 14, Pp 73-76 (2013)
La geometalurgia es una herramienta que involucra a especialistas en el campo de la geología, la microscopía, la minería y la metalurgia extractiva para optimizar los procesos de explotación y beneficio de los minerales. Dicha herramienta ha toma
Externí odkaz:
https://doaj.org/article/a617eacc07b14fc6b7139151e076c065
Autor:
Efrén Pérez-Segura, Daniel Rosales-Suárez, Juan Miguel Romero-Valle, Gabriela Orozco-Rivera, Rodrigo Martínez-Peñuñuri
Publikováno v:
Boletín de la Sociedad Geológica Mexicana. 71:139-168
espanolLa mina La Herradura, en Sonora, constituye uno de los distritos de oro mas importantes de Mexico, con una produccion a la fecha superior a 5.5 millones de onzas de oro durante 17 anos. Forma parte de un cinturon de yacimientos de oro orogenic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::430b8e14f5ba61ca933df4b177b9162c
https://doi.org/10.18268/bsgm2019v71n1a8
https://doi.org/10.18268/bsgm2019v71n1a8
Autor:
John M. Fletcher, R. E. Lugo-Zazueta, E. Ramos-Velazquez, Thierry Calmus, B. P. Kohn, Andrew J.W. Gleadow, Efrén Pérez-Segura
Publikováno v:
Journal of South American Earth Sciences. 103:102695
The rifted margin of Sonora in Mexico experienced the early stages of Neogene extension related to Gulf of California opening, when the Baja California peninsula was originally part of the North America plate. The early evolution considers that durin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dec542d51dea4b6272498c11dc7391f3
https://doi.org/10.1016/j.jsames.2020.102695
https://doi.org/10.1016/j.jsames.2020.102695
Autor:
A. L. Gallego-Hernández, Efrén Pérez-Segura, Mercedes Meza-Montenegro, Francisco Maldonado-Escalante, Francisco Martín Romero, Ernesto Hernández-Mendiola, Mónica Acosta-Elías, Leticia García-Rico, Martín Pedroza-Montero, Sofía Navarro-Espinoza, M. Barboza-Flores, Karla Santacruz-Gómez, Diana Meza-Figueroa, Belem González-Grijalva
Publikováno v:
Science of The Total Environment. 713:136481
Inhalation of playground dust-derived fine particles in schoolyards poses a risk from exposure to metal(oids) and minerals. In this work, we obtained the total concentration and bioaccessibility of metal(oids) with Gamble Solution (GS) and Artificial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37ff8c7170798479014f1909da42b87f
https://doi.org/10.1016/j.scitotenv.2019.136481
https://doi.org/10.1016/j.scitotenv.2019.136481
Autor:
Ricardo Vega Granillo, Silvia Martinez Retama, Luis Alva Valdivia, Nadia Elvira Silva-Peña, Efrén Pérez Segura
Publikováno v:
Geological Society of America Abstracts with Programs.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e7c05830d786d0a389b3f83498ca484
https://doi.org/10.1130/abs/2018rm-314251
https://doi.org/10.1130/abs/2018rm-314251
Autor:
Efrén Pérez-Segura, Margarita López Martínez, Ricardo Vega-Granillo, Elizard Gonzalez-Becuar, Jesús Solé, Luigi Solari, Carlos M. González-León
Publikováno v:
Universidad Nacional Autónoma de México
UNAM
Redalyc-UNAM
Revista Mexicana de Ciencias Geológicas (México) Num.1 Vol.34
Scopus-Elsevier
UNAM
Redalyc-UNAM
Revista Mexicana de Ciencias Geológicas (México) Num.1 Vol.34
Scopus-Elsevier
Plutonic rocks of the Puerta del Sol area, in central Sonora, represent the extension to the south of the El Jaralito batholith, and are part of the footwall of the Sierra Mazatán metamorphic core complex, whose low-angle detachment fault bounds the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df6260d53561830ae25b7783ab27cd27
https://www.redalyc.org/articulo.oa?id=57250506005
https://www.redalyc.org/articulo.oa?id=57250506005
Autor:
Carles Canet, Pura Alfonso, Abdorrahman Rajabi, Pere Anadón, Efrén Pérez-Segura, Eduardo González-Partida, Leticia A. Alba-Aldave
Publikováno v:
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Digital.CSIC. Repositorio Institucional del CSIC
instname
Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
Universitat Politècnica de Catalunya (UPC)
Digital.CSIC. Repositorio Institucional del CSIC
instname
Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
The Mazatán barite deposits, Sonora, NW Mexico, represent an outstanding example of Paleozoic bedded barite, a poorly understood type of mineral deposit of major economic interest. The deposits of this type commonly occur hosted by shales and are ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3598d31b3aece3c0b014dcec473e67b3
https://doi.org/10.1016/j.oregeorev.2013.06.009
https://doi.org/10.1016/j.oregeorev.2013.06.009
Impact of mining activities on sediments in a semi-arid environment: San Pedro River, Sonora, Mexico
Autor:
Margarita de la O-Villanueva, Diana Meza-Figueroa, Jorge Ramírez-Hernández, Jesús L. Valenzuela-García, Agustín Gómez-Álvarez, Efrén Pérez-Segura, Javier Almendariz-Tapia
Publikováno v:
Applied Geochemistry. 26:2101-2112
A study of the San Pedro River (SPR), which is located in a semi-arid region in Sonora, Mexico, was conducted to evaluate the chemical, spatial and temporal (mobilization) trends of potentially harmful metals in its sediment in the rainy and dry seas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9d30a2666493572c17a3eb44c624800
https://doi.org/10.1016/j.apgeochem.2011.07.008
https://doi.org/10.1016/j.apgeochem.2011.07.008