Characterization and significance of allophane and halloysite in Paja Formation rocks (lower cretaceous). West border of Eastern Cordillera, Colombia F.L Mantilla, R.C García, P.E Uribe 11-22 PDF (Español (España))
Ocurrence and significance of the polymorphs of Al2SiO5 in Metamorphic rocks of the Santander Massif, Eastern Cordillera (Colombian Andes) Carlos Alberto García-Ramírez, Carlos Ríos-Reyes 23-38 PDF
Microfábricas de las arenicas del grupo Siwalik, sub-Himalaya de Nepal Central: Claves para cambios post-deposicionales T. Naresh 39-51 PDF
Recognition of ancient tidal deposits and facies successions changes according to stratigraphic context. Examples from upper cretaceous gallup clastic wedge, New Mexico M. Álvarez 51-81 PDF
Organic matter variations in a transgressive system track: an example of the Almond Formation, Rock Springs Uplift, Wyoming (U.S.A.) Mario García-González 83-102 PDF
Ar-39Ar geochronology of hydrothermal veins in sedimentary rocks of the Paja Formation (lower cretaceous) southern of the Santander department (Cordillera Oriental, Colombia) Luis Carlos Mantilla-Figueroa, G. Cordanio, T Onoe 103-114 PDF (Español (España))
Significance of an early cretaceous Rb-Sr age in the pescadero pluton, Santander Massif J. Ordóñez, Luis Carlos Mantilla-Figueroa 115-126 PDF
Petrographic and analytical techniques applied to characterization of gold deposits and metallurgical processes M.J Molano, B.J Mojica 127-139 PDF (Español (España))
Characterization of two colombian clays by X-ray diffraction and their relationship with origin and transformation aspects J. Carriazo, R Molina, S. Moreno 143-148 PDF (Español (España))
