Serra da Estrela

Choose the option that correctly completes the following statement: Serra da Estrela consists of extensive outcrops of ___, with ages ranging from 340 to 280 million years. These are intercalated with metamorphic rocks such as ___ and greywacke, aged between 650 and 500 million years.

• (...) granite (...) limestone (...).

• (...) granites (...) shales (...).

• (...) basalts (...) shales (...

• (...) limestone (...) granite (...).

Serra da Estrela is rich from a hydrological point of view. How many rivers are born in this mountain?

• 4

• 2

• 1

• 5

In Serra da Estrela there are also many lakes. Natural and artificial. The total number is...

 

• 15

• 8

• 11

• 25

The entire Serra da Estrela region was subject to glaciations thousands of years ago, the remains of which are clearly visible. One of these remains is the glacial valley of the river Zêzere. Its straight line shows the tectonic control, which corresponds to the great fault at Vilariça. How long is this glacial valley?

• 3 km

• 6 km

• 10 km

• 13 km

The glaciation that shaped the visible glacial forms today in Serra da Estrela, and that shaped the granitic rocks of the Upper Carbonic, occurred in the...

• Triassic.

• Quaternary.

• Jurassic.

• Neogenic.

The most famous moraines of the glaciation, which reached 300 meters of ice, are..

• Poio do Judeu and Alforfa.

• Poio do Judeu and Cântaro Magro.

• Cântaro Gordo and Cântaro Magro.

• Cântaro Magro and Alforfa.

One of the most touristic places in Serra da Estrela is Piornos. This name, Piorno, is the name given to plants of the Retama genus, which are very frequent here. These plants are popularly known as …

• Pine trees.

• Eucalyptus.

• Brooms.

• Rose bushes.

In Serra da Estrela it is possible to find the...

• horned viper.

• moose.

• penguin.

• wolf.

 Of the various species that have an unfavourable conservation status, we can highlight...

• the mountain gecko, the black oak and the black stork.

• rock blackbird, broom and dwarf bat.

• pilgrim knife, maritime pine and river trout.

• the orange-bellied newt, the yew and the otter.

Serra da Estrela is located in the central region of Portugal, and it is where the highest point in mainland Portugal is located. Its altitude is...

• 4500 m

• 2000 m

• 1993 m

• 2170 m