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M01PSL07 - Porta d’Abra

Ponta de Abra © Brum da Silveira

Geosite ID: M01PSL07

Name: Porta d’Abra

Thematic category: Stratigraphy and Tectonics

Geographical location on orthophotomap  - M01PSL07

Municipality: Machico

Civil parish: Caniçal

Location area: 0,1 -10 ha

Coordinates(1):32°45'01.6'' N 16°41'42.3'' W

Altitude: 47 m

Accessibility: Moderate

Distance to nearest paved road: 760 m

Conditions of observation: Good

(1) Coordinates of the geosite and / or the best viewpoint


Brief description

Porta d’Abra geosite as weel as the entire surrounding region of Ponta de São Lourenço, is an excellent example of the close relationship between tectonic and volcanic structures and volcanic origin on Madeira Island.
Through the excellent exposure of numerous geological sections on the coastal cliffs, it is possible to understand the geometric and stratigraphic relationship between the various geological units and their internal structures. Thus, for example, it is possible to observe the erosive discordance between the Intermediate Volcanic Complex (CVM) and the Upper Volcanic Complex (CVS). Likewise, here you can observe the best examples of dykes exposed by differential marine erosion (in “cabo real”).


Relevant notes

Visiting a site of geological interest is the sole responsibility of the user.
The user must take precautions when visiting the site, taking into account the conditions of the terrain, weather conditions and other hazards, so that they do not create situations that put themselves or others at risk.
The user must respect private property. Access to private areas requires prior authorization from the owners.
The user must respect natural heritage, keeping it intact. The impact of your actions should be minimal.


How to Cite

BRUM DA SILVEIRA, A.; PRADA, S.; RAMALHO, R.; MADEIRA, J.; FONSECA, P.; CANHA, E.; BRILHA, J. (2012). Inventariação do Património Geológico da Ilha da Madeira. Secretaria Regional do Ambiente e Recursos Naturais - Relatório Final, 414 p. In:


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