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Campo de Calatrava volcanoes, Ciudad Real, Castile-La Mancha, Spain
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Name(s) in local language(s): Volcanes del Campo de Calatrava, Ciudad Real, Castilla-La Mancha, España
 
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

Mineral list contains entries from the region specified including sub-localities
Aragonite
Birnessite
Brucite
Calcite
Chabazite-Ca
Cryptomelane
Ettringite
Gismondine-Ca
Gonnardite
Hydroxylapatite
'Lévyne'
Lévyne-Ca
Lithiophorite
Magnetite
'Melilite'
'Melilite Group'
Natrolite
Nepheline
Opal
var: Opal-AN
Phillipsite-Ca
Thaumasite
'Thomsonite'
Thomsonite-Ca
Todorokite


31 entries listed. 20 valid minerals.

Localities in this Region

Spain

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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]

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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