Characterization of two colombian clays by X-ray diffraction and their relationship with origin and transformation aspects
Two natural clays extracted from soils of Colombia (department of Córdoba) were purified by means of conventional methods which include operations of mechanical separation and chemical treatments. The obtained materials were characterized by X-ray diffraction (XRD) and elemental chemical analysis. O...
| Autores: | , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2004 |
| País: | Colombia |
| Institución: | Universidad Industrial de Santander |
| Repositorio: | Repositorio UIS |
| Idioma: | español |
| OAI Identifier: | oai:noesis.uis.edu.co:20.500.14071/5032 |
| Acceso en línea: | https://revistas.uis.edu.co/index.php/revistaboletindegeologia/article/view/913 https://noesis.uis.edu.co/handle/20.500.14071/5032 |
| Access Level: | acceso abierto |
| Palabra clave: | Clay clay minerals smectite characterization of clays weathering Arcillas minerales de arcilla esmectita caracterización de arcillas meteorización |
| Sumario: | Two natural clays extracted from soils of Colombia (department of Córdoba) were purified by means of conventional methods which include operations of mechanical separation and chemical treatments. The obtained materials were characterized by X-ray diffraction (XRD) and elemental chemical analysis. One of these materials was identified as a smectite type clay, whereas the other material showed characteristics of aluminous vermiculite type clay. The greater sodium cations content in the first clay than in the second clay is a determining factor to explain the difference on expansion capacity between these materials. The presence of small quantities (impurities) of quartz, illite, calcite, kaolinite and the possible presence of allophonic material reveal the origin and weathering environments of the primary minerals and suggest the formation of the characterized clays from the transformation of micaceus minerals. |
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