Vegas Salamanca, Juana and García Romero, Emilia and Marfil, Rafaela (1999) Procesos de transformación y neoformación de esmectitas en los materiales volcanoclásticos de la Isla de la Palma (Canarias). Geogaceta, 25 . pp. 207-210. ISSN 0213-683X
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Abstract
Clay minerals from the volcaniclastic deposits of the three different sedimentary settings (paleosols continental lacustrine and transitional fan delta) have been studied by X-ray, MEB y TEM. The clay fraction of Ihis sediments consist largely of smectite (saponite) with minor irregular chlorile-smectite mixed layers and illite: they occur as replacement of ferromagnesian minerals, plagioclase microlites and glass matrix of the volcarenite and they are inferred to be direct diagenetic alteratíon products of volcanic components.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Smectite, Saponite, Volcaniclastic deposits, Diagenetic alteration, Caldera de Taburienle, La Palma, Canary Islands |
| Subjects: | Sciences > Geology > Mineralogy |
| ID Code: | 13384 |
| Deposited On: | 11 Oct 2011 14:10 |
| Last Modified: | 11 Oct 2011 14:10 |
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