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Mostrando ítems 21-30 de 1723
Intrusäo alcalina de Morro Preto (GO): Geologia, petrografia e geoquímica
(2014-01-01)
The alkaline intrusion of Morro Preto, located to the north of Piranhas (GO), Is an irregular to subcircular rock body with about 3,34 km2, hosted in gneisses of the Goiás Magmatic Arc. It is chiefly constituted by ...
Classification of debris-covered glaciers and rock glaciers in the Andes of central Chile
(Elsevier, 2015)
In the Dry Andes of Chile (17 to 35 degrees S), debris-covered glaciers and rock glaciers are differentiated from true glaciers based on the percentage of surface debris cover, thickness of surface debris, and ice content. ...
Halloysite in Argentinian deposits: origin and textural constraints
(Mineralogical Soc, 2012-08)
In Argentina, the only halloysite deposits found so far are located in the southwest of the province of Rio Negro. The areas are named Mamil Choique and Buitrera, separated by 50 km in a W–E direction. The deposits are ...
Estudio comparativo entre sistemas de clasificación geomecánica en un depósito tipo PórfidoComparative study among rock mass classification systems in a Porphyry deposit
(Universidad Nacional de Colombia, Escuela de Geociencias y Medio AmbienteMedellín, Colombia, 2019)
Relevant issues for the design of a protocol for the interdisciplinary study of rock art
(Archaeopress, 2016)
In recent years, an increasing number of interdisciplinary teams of researchers from the human and natural sciences have addressed the study and characterisation of materials in order to account for the manufacturing ...
Fracture behavior of transversely isotropic rocks with discrete weak interfaces
(John Wiley & Sons Ltd, 2018-12)
Anisotropic rocks have gained increasing attention due to the development of unconventional oil and gas reservoirs. This type of reservoir requires complex engineering procedures from drilling to completion, and the ...
Slope Stability of the Open Pit Jésica considering the Isotropic and Anisotropic Rock MassEstabilidad de Taludes del Tajo Abierto Jésica considerando el Macizo Rocoso Isotrópico y Anisotrópico
(Universidad Nacional Mayor de San Marcos, Facultad de Ingeniería Geológica, Minera, Metalúrgica y Geográfica, 2020)
Perceived stress and salivary cortisol on rock climbing
(Wiley-Blackwell, 2019-11-01)
Rock climbing is a recreational activity that has been steadily growing in popularity over the years. The literature suggests that performers considered lead climbing was more stressful than other styles, but only few ...
Making visible the invisible. A microarchaeology approach and an Archaeology of Color perspective for rock art paintings from the southern cone of South America
(PERGAMON-ELSEVIER SCIENCE LTD, 2021)
From the literature research review of studies that involved the physicochemical characterization of rock art paintings in Argentina and Chile, we evaluate the impact of this analytic approach in our understanding of these ...
CLASSIFICAÇÃO DAS CONCENTRAÇÕES BAUXÍTICAS DA REGIÃO DE LAVRINHAS (SP)CLASSIFICAÇÃO DAS CONCENTRAÇÕES BAUXÍTICAS DA REGIÃO DE LAVRINHAS (SP)
(Sociedade Brasileira de Geologia, 2018)