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Mountain cord of 180 kms. of extension and
approximately 60 kms. of maximum width. He/she is
integrated by seven mountains, being the but well-known
the Sierra of the Window, because in her they are
the hills but high.
The other mountains are: Curamalal, Bravard, Puán,
Tunas, Pillahuinco, and Chasicó or of the Chileans.
This mountain system is constituted in its biggest
proportion, for rocks cuarciticas originated by
the constant work of shallow seas that you/they
occupied this region during the Primary era or
Paleozoica. The orogeny of the mountains took
place in the Mesozoic era.
In the Tertiary era, the strong tectonic effects
that affected to the planet, took place in this
mountains an important destruction that jointly
with the erosive effects they worked a morphology
characterized by the strong slopes, open up
traverse to the elongation of the mountains and
hills whose rocks are completely departures and
fractured. They are mountains of identical
characteristic to those of the South of África and
Australia. |
