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Montijos quarry, Monte Redondo, Leiria, Leiria District, Portugal
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Name(s) in local language(s): Pedreira dos Montijos, Monte Redondo, Leiria, Distrito de Leiria, Portugal
 
Inactive dolerite/ophite quarry.

In the area known as "Montijos Quarry" there were three distinct mining concessions:
1 - "Quinta dos Montijos" concession no. 1102, exploited by Pedreiras de Monte Redondo, Lda, closed on August 17, 1966.
2 - "Montijos no. 1" concession no. 1323, exploited by Domingos Pereira Amado and Others, closed on January 24, 1972.
3 - "Cabeço da Quinta" concession no. 917, exploited by Sociedade de Paralelepípedos do Sul, Lda, closed on May 31, 1973.

Mineral List

Actinolite
Albite
var: Oligoclase

var: Oligoclase-Albite
Amphibole Supergroup
var: Byssolite

'Apatite'
Arsenopyrite
Calcite
Chamosite
Ferro-actinolite
Fluorapatite
Gypsum
var: Selenite
Hematite
var: Specularite
'Hornblende'
Ilmenite
'Limonite'
Magnesio-hornblende
Magnetite
Orthoclase
Prehnite
Pumpellyite-(Fe2+)
Pyrite
Pyrrhotite
Quartz
Siderite
Titanite


27 entries listed. 19 valid minerals.

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References

Pimentel, Ricardo; Nunes, Rui; De Ascenção Guedes, Roger; Meisser, Nicolas; Martaud, Alain (2009): Minéralogie de la Carrière de Montijos, Portugal. Le Règne Minéral, 87, 13-27.

Mineral collecting at Monte Redondo, Portugal by Richard V. Gaines, Jan-Fev 1971, The Mineralogical Record.

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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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