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Studio minerogenetico delle miniere aurifere della regione di marmato (colombia)
(Departamento de Geociencias, 1962)
Various veins of aproximately East-West strike and mineralized with auriferous pyrite, sphalerite and galena are present in the region of Marmato (Dep. Caldas ) , These veins are situated in a microdioritic orck of subvolcanic ...
Presentación
(Departamento de Geociencias, 1962)
Con la iniciación de "Geología Colombiana" se realiza, para el Departamento de Geología y Geofísica de la Universidad Nacional, unanueva etapa en su desarrollo. La presencia de este nuevo órgano de divulgación de los ...
Researches on the geochemistry of the uranium: autoradiographic study on the α• radioactivity distribution in the most important facies of the biella pluton. (western alps)
(Departamento de Geociencias, 1962)
The α-radioactivity distribution in the principal facies of the Biella pluton has been recognized. The data has been comparated with those of other investigators. The constancy of some relations between the activity of the ...
Una nueva especie de stylocalamites de colombia
(Departamento de Geociencias, 1970)
Stylocalamites batensis Huertas sp. nov.Medullae fragmentum duobus nudis praeditum, 17 cm longum x 10.6 cm latum; costae robustae binatim alternae, cum foliorum cicatricibus, ample undulatae, apice obtusiusculo, basi ...
Contenido
(Departamento de Geociencias, 1970)
Contenido del No. 7 de la revista Geología Colombiana de 1970.
Determination of velocity and direction of ground water flow in san andres island by means of radiotracers
(Departamento de Geociencias, 1975)
The injection of radiotracers in 10 boreholes in San Andres island allowed the determination of direction and velocity of ground water flow. The basis of the technique relates to the application of a relationship existing ...
Note on the geology of the isles of providencia and santa catalina (caribbean sea, colombia)
(Departamento de Geociencias, 1962)
Nous donnos une description préliminaire de la constitution géologique et pétrographique des îles volcaniques de Providencia et Santa Catalina, en indiquant des différentes formations faciès photogéologique, composition ...
Acerca de la geología de la serranía de perijá entre codazzi y villanueva (magdalena-guajira, colombia)
(Departamento de Geociencias, 1962)
Serranía de Perijá (tra Codazzi e Villanueva) è costituita da terreni primari e mesozoici, sedimentari e ignei. L'A. descrive Ie differenti formazioni, discute Ie loro relazioni reciproche, la loro genesi e il loro significato ...
Contenido
(Departamento de Geociencias, 1967)
Contenido del No. 4 de la revista Geología Colombiana de 1967.
La estructura de las garnieritas
(Departamento de Geociencias, 1984)
It is widely accepted the term Garnierite to designate nickelous minerals with triohedral claycrystalline structure of the type 1: 1 and 2: 1. In the same sense, although less known, is also used the term kerolite. However, ...