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 ListMineral list contains entries from the region specified including sub-localities
11 entries listed. 5 valid minerals.
Localities in this Region
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
- 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