Maderia Geology...
Columnar Jointing, Encumeada & Paul da Serra
Dyke cutting through basalt and ash layers Encumeada & Paul da Serra
Basalt sheet Encumeada & Paul da Serra
Road cutting useing Basalt sheet as solid wall Encumeada & Paul da Serra
Bedded ash layer Encumeada & Paul da Serra
Weathering basalt Encumeada & Paul da Serra
Lava Tube, Grutas de Sao Vicente
Shark teeth like drip formations in Grutas de Sao Vicente
Weathered deposits Ponta San Laurenco
Ash layers Ponta San Laurenco
Blocky deposited ash and rocks Ponta San Laurenco
Porphyritic "bomb" in ash layer Ponta San Laurenco
Stunning dykes cutting through ash Ponta San Laurenco
Loose Porphyritic samples Ponta San Laurenco_13
Probably volcanic bombs in ash Ponta San Laurenco
Stunning dyles cutting through ash Ponta San Laurenco
Porphyritic samples Ponta San Laurenco_13
Dykes cutting through ash Ponta San Laurenco
Se stack formed from basalt dyke, Ponta San Laurenco
Basalt and Ash layers Ponta San Laurenco
Ash layer weathered out Ponta San Laurenco
