Latitude: 37°48'N
Longitude: 8°40'W
Mina da Serra do Rosalgar, Cercal (Cercal do Alentejo), Santiago do Cacém, Distrito de Setúbal, Portugal
Fe Mn mine
Siorminp: dois filões de quartzo e óxidos de ferro e manganês, orientados N50ºE e 50º a 60ºSE e com 3.100 m de comprimento; a nordeste do filão do Rosalgar surgem as impregnações de Fe-Mn em xistos: Na Serra do Rosalgar ocorrem ainda conglomerados terciários em que a matriz ferromanganesífera cimenta blocos de xisto, quartzo e quartzito.
Mineral List
5 entries listed. 5 valid minerals.
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