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Madeira Island, Madeira District, Portugal
Ilha da Madeira, Distrito da Madeira, Portugal
Madeira Island is the top of a massive shield volcano that rises about 6 km from the floor of the Atlantic Ocean.
Young (Miocene to Pleistocene) volcanic rocks.
Zeolites occur in some of the volcanic rocks, but, unfortunately, are fairly rare and small in size, although the lava can be very porous in places.
Mineral List
Mineral list contains entries from the region specified including sub-localities| Aragonite Baryte Calcite | 'Chabazite' 'var: Phacolite' Lead | 'Manganese Oxides' Natrolite 'Olivine' | 'Phillipsite' 'Thomsonite' |
11 entries listed. 5 valid minerals.
Localities in this Region
Portugal
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References
- Burton, C. J. & MacDonald, J. G. (2008): A field guide to the geology of Madeira. Geological Society of Glasgow, Glasgow, UK, 106 pp.
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Locality Updated: Brunegg pass, Turtmann Valley, Wallis (Valais), SwitzerlandFrom Paolo Bosio, 18th Jun 2013 22:30:55