Zobrazeno 1 - 10
of 97
pro vyhledávání: '"Carlos Alberto Ríos-Reyes"'
Publikováno v:
Cuadernos de Geografía: Revista Colombiana de Geografía, Vol 33, Iss 1 (2024)
En la región caribeña alrededor del Valledupar (Colombia), también llamada ciudad de los Santos Reyes del Valle de Upar y considerada uno de los principales epicentros musicales, culturales y folklórico en el territorio colombiano por ser conside
Externí odkaz:
https://doaj.org/article/2367e7a9b9834ed489af991609e255d4
Autor:
Oscar Mauricio Castellanos-Alarcón, Karoll Michelle Cedeño Villarreal, Robert Antonio Toro Hernández, Carlos Alberto Ríos-Reyes, José Antonio Henao-Martínez, Carlos Augusto Zuluaga-Castrillón
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Omphacite found in eclogites from the Arquía Complex (Colombia) was characterized using scanning electron microscopy, electron probe microanalysis and single-crystal X-ray diffraction. The sample is chemically homogeneous. Omphacite usually shows sy
Externí odkaz:
https://doaj.org/article/392655fafcb3419bbbb5315ae9b9d7f4
Publikováno v:
Cuadernos de Geografía: Revista Colombiana de Geografía, Vol 30, Iss 1 (2021)
This research article refers to the coastal region around Santa Marta (Colombia), showing a valuable geodiversity from a coastal geomorphology point of view, with great scientific importance for the study of coastal landscapes and attractive for the
Externí odkaz:
https://doaj.org/article/fd5153881cb044c7a1924302cb1c0149
Publikováno v:
Gestión y Ambiente, Vol 23, Iss 2 (2020)
The present study integrates geological, mineralogical and geochemical methods in the characterization of the caves: El Nitro and Las Alsacias, from Zapatoca (Colombia). With lithologies dating from the Lower Cretaceous, these cavities reveal a great
Externí odkaz:
https://doaj.org/article/f9e91aa7116a4268a81dae2dd33d62e1
Autor:
Mario Alberto Macías-López, Ph. D., Carlos Alberto Ríos-Reyes, Ph. D., Oscar Mauricio Castellanos-Alarcón, Ph. D. (c)
Publikováno v:
Revista Facultad de Ingeniería, Vol 27, Iss 49, Pp 23-33 (2018)
The JBW zeolite was prepared from hydrogels under hydrothermal conditions by alkaline reaction, using NaOH as activating agent. The synthetic zeotype was studied by analytical techniques such as X-ray powder diffraction, scanning electron microscopy,
Externí odkaz:
https://doaj.org/article/9f27333b3374418da7a8499c9538de2c
Publikováno v:
Boletín de Ciencias de la Tierra, Vol 0, Iss 42, Pp 5-24 (2017)
El Itinerario Geológico de la franja costera comprendida entre el aeropuerto Internacional “Simón Bolívar” y la Bahía de Taganga, Provincia Geotectónica de Santa Marta, representa un laboratorio geológico natural de gran importancia para el
Externí odkaz:
https://doaj.org/article/20323267b0234020ae0c802650ce3f7f
Publikováno v:
Dyna, Vol 84, Iss 200, Pp 291-301 (2017)
Eclogites discovered on southwestern Pijao, Central Cordillera (Colombia Andes), are enriched in almandine (Xalm = 0.50-0.58; XFe = 0.69-0.83) and grossular (Xgrs = 0.25-0.30), with lesser amounts of pyrope (Xprp = 0.12-0.23), and relatively low spes
Externí odkaz:
https://doaj.org/article/a5ccdca1b09d4dbe8a6204ae332d0a98
Autor:
Carlos Alberto Ríos-Reyes, German Alfonso Reyes-Mendoza, José Antonio Henao-Martínez, Craig Williams, Alan Dyer
Publikováno v:
Crystals, Vol 11, Iss 2, p 218 (2021)
This study reports for the first time the geologic occurrence of natural zeolite A and associated minerals in mudstones from the Cretaceous Paja Formation in the urban area of the municipality of Vélez (Santander), Colombia. These rocks are mainly c
Externí odkaz:
https://doaj.org/article/596717af8cb64b2982fc9c5137227b64
Publikováno v:
Boletín de Ciencias de la Tierra, Vol 0, Iss 40, Pp 5-15 (2016)
En el presente estudio se reporta por primera vez la aparición de cloritoide en metapelitas ricas en Mg-Al de la Formación Silgará en la región central del Macizo de Santander, las cuales fueron afectadas por un metamorfismo hasta en facies anfib
Externí odkaz:
https://doaj.org/article/7078f30232eb4e9cb83546165bc4c640
Autor:
Oscar Mauricio Castellanos-AlarcónCarlos, Carlos Alberto Ríos-Reyes, Luis Carlos Mantilla-Figueroa
Publikováno v:
Dyna, Vol 83, Iss 196, Pp 69-79 (2016)
The early Cretaceous Ciénaga Marbles that crop out in the NW foothills of the Santa Marta Massif (Colombian Caribbean region) present an epigenetic mineral assemblage (skarn-type), overprinting the metamorphic mineral assemblage previously developed
Externí odkaz:
https://doaj.org/article/8d87d21985ea42d883a47e19deaf8461