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Campo de Calatrava volcanoes, Ciudad Real, Castile-La Mancha, Spain
Zeolites in volcanic rocks.
Also high-Co (up to 1.7% Co) Mn mineralizations displaying a variety of morphologies: spring aprons and feeders, pisolitic beds, wad beds and tufa-like replacements of plants and plant debris. The spring apron deposits formed in close proximity to Pliocene volcanic rocks (alkaline basaltic lava flows and pyroclastics) belonging to the so-called Calatrava Volcanic Field (Crespo & Lunar, 1997).
Mineral List
18 entries listed. 14 valid minerals.
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References
- A. Crespo & R. Lunar (1997): Terrestrial hot-spring Co-rich Mn mineralization in the Pliocene-Quaternary Calatrava Region (central Spain). Geological Society, London, Special Publications, vol. 119, 253-264.
- M. Calvo, G. Calvo Sevillano, J. Viñals and A. Sanz (2010): Presencia de Ettringita y Thaumasita en Vacuolas de los Basaltos del Campo de Calatrava (Ciudad Real). Macla 13, 53-54. [http://www.ehu.es/sem/macla_pdf/macla13/Macla13_053.pdf]
- M. Calvo, G. Calvo Sevillano, J. Viñals and A. Sanz (2010): Presencia de Ettringita y Thaumasita en Vacuolas de los Basaltos del Campo de Calatrava (Ciudad Real). Macla 13, 53-54. [http://www.ehu.es/sem/macla_pdf/macla13/Macla13_053.pdf]
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