Results 21 to 30 of about 60,974 (146)
Revista del Instituto Nacional de Geología y Minería. Nros 1 a 4 [PDF]
Faltan mapas. Los mismos pueden consultarse en la biblioteca del IGRM-SEGEMAR.
Argentina. Secretaría de Estado de Minería
core +1 more source
Utilizando técnicas apropiadas de cartografía geológica y selección de áreas promisorias, se identificaron 3 sectores con rocas graníticas de potencial ornamental: Patilla!, La Socola y Las Palomas; sectores que fueron muestreados y caracterizados sus ...
Luis Enrique Bernal Vargas
doaj +1 more source
Se estudian los principales tipos de microperforaciones atribuidas a la acción de organismos vegetales (Tallophyta) sobre las comunidades características de bivalvos del Plioceno en el Bajo Guadalquivir. En base a su tamaño y modelo de perforación se han
E. Mayoral
doaj +1 more source
RESUMEN A partir del estudio de caso de una familia de tres generaciones dedicada al robo y a la circulación de mercancía caliente en el centro de México, analizo las formas en que sus integrantes cultivan su idea de prestigio y cómo esta se relaciona con sus motivaciones.
Marco Antonio Zagal Guzmán
wiley +1 more source
This study proposes a simple and replicable methodology to prioritize mining exploration projects based on their geoscientific characteristics and contextual factors, which can be adapted to different mining contexts.
Claudio Sebastián Molina +3 more
doaj +1 more source
AI Public Value Creation: Data Encoding, Aggregation, and Algorithmic Computation
ABSTRACT AI systems in public administration challenge the premise that value creation arises from managers' strategic mediation among the vertices of Moore's strategic triangle: Public value, legitimacy, and operational capacity. AI imposes new logics that reshape vertices and their interaction dynamics.
Antonio Cordella, Francesco Gualdi
wiley +1 more source
Este trabalho é uma contribuição ao conhecimento da produção cerâmica da Tradição Tafí do noroeste da Argentina. São apresentados os resultados obtidos de um conjunto de técnicas analíticas aplicadas a olarias dos sitios formativos da vertente La Ciénega:
María Beatriz Cremonte
doaj +1 more source
ABSTRACT To address the shortcomings associated with state ownership, countries have implemented various legal strategies to curb political influence in state‐owned enterprises. This research studies whether these strategies constrain the government's ability to use their appointment powers for political considerations.
Pablo Torres
wiley +1 more source
Diesel-powered machinery is the primary energy source in underground mining, exposing workers to hazardous diesel exhaust emissions. This study evaluates occupational exposure to diesel particulate matter (DPM) and gaseous pollutants (NO, NO2) at an ...
Pablo Menendez-Cabo +1 more
doaj +1 more source
Making Mining Licit: Gold, Commodification, and the Everyday Performance of Law in Colombia
ABSTRACT Ethnographies of resource‐making have shown that the extraction of resource value from objects is premised on obviating the emplaced lifeworlds that surrounded objects before they traveled to consumer markets. Much of this literature looks at such supply‐chain disentanglement from the viewpoint of corporate and formal regulatory practices ...
Jesse Jonkman
wiley +1 more source

