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PSt02 - Zimbralinho

Zimbralinho  @Raquel Ferreira

Geosite ID: PSt02

Name: Zimbralinho

Thematic category: Vulcanology

Geographical location on orthophotomap  - PSt02

Municipality: Porto Santo

Civil parish: Porto Santo

Location area: 0.1 -10 ha

Coordinates(1):33°01'58.28'' N 16°23'15.30'' W

Altitude: 2 m

Accessibility: Difficult

Distance to nearest paved road: 930 m

Conditions of observation: Satisfactory

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

 

Brief description

In Zimbralinho bay it is possible to observe basaltic lithologies from the submarine volcanic sequences that were contemporaneous to the island’s pre-emergence phase. In here, excellent examples of pillow lavas, dubbed like this because of their approximately spherical cross-section appearance, are observed. These lavas represent subaquatic eruptions, in this case undersea.
On the way down to the bay, it is also possible to see spheroidal weathering on these materials. It is evident the presence of mugearitic dyke that extends to the Espigão Peak, in one of the cliffs, as well as another dyke with a well-developed prismatic structure.

 

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

FERREIRA, M. R. (2014). Património Geológico da Ilha do Porto Santo e Ilhéus Adjacentes (Madeira): Inventariação, Avaliação e Valorização como Contributo para a Geoconservação. Dissertação de Mestrado em Vulcanologia e Riscos Geológicos. Departamento de Geociências da Universidade dos Açores. In: https://geodiversidade.madeira.gov.pt

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