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Geological History of the Iberian Peninsula

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Erix Mamani Villacresis

on 17 December 2013

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Transcript of Geological History of the Iberian Peninsula

Biology
Triassic is the first era for reptils. Reptils colonise the sea
Geography
Iberia kept separating from Gondwana
Jurassic (210 mya)
Geography
The Iberian plate continued separating slowly from the others plates.
Geology
The Iberian Massif is a plain, vestigate of Variscan orogeny
Biology
The good climate favoured photosynthesis, which resulted in a life explosion never seen before
Geological History of the Iberian Peninsula
Geology of Autonomous
Comunnities
Each period that we analyze are divided in 4 parts:
Geography
Geology
Climate
Biology
Geography
GEOLOGY
The marine sedimentation
Precambrian (600mya)
CLIMATE
End of the Precambrian
Biology
There was life below the ice of the oceans
Rondinia
After the fracturation, exist:
-Gondwana
- Siberia
-Baltica
- Laurentia
Extremely cold
With ocean currents
Regulated temperature
Metamorphic rocks
Life was getting ready for the Cambrian explosion
Cambrian (540 mya)
Geography
Climate
Geology
Biology

Equal as in Precambrian
Avalonia separated from Gondwana
The other platforms:
Calcium carbonate precipitations
Appearance of living organisms with shells.
Warm global climate
Cambrian explosion happens
Trilobites (example)
New groups of living organisms
Silurian (440 mya)
Geography
Movements of Continental platforms
Gondwana
South Pole to Equator
Avalonia collided with Baltica
They went to Laurentia (west)
Geology
Accumulation of sediments poor in carbonates

Climate
Biology
Devonian (410 mya)
It became mild again after
GEOGRAPHY
CLIMATE
BIOLOGY
Ordovician glaciation
GEOLOGY
Low concentrations of oxygen in Gondwana
Land was colonized by
Vegetables
Worms
Insects
Arachnids
The intense motion of the plates produced intense volcanic activity.
Biological explosion
The climate is diverse:
Avalonia-Baltica collided with Laurentia
Laurussia
Carboniferous (360 mya)
Triassic (250 mya)
Geology
The high regions underwent an erosion process and accumulated in the for of strata
Gondwana
Laurussia
Amonica
Climate
A global increase of temperature took place
Polar climate
Tropical climate
Moderate climate
Full conquest of the land.
Appearance of the first plants.
Vertebrates conquered the land.
Geography
Geology
Climate
Biology
Armorica
Laurussia
Collided
Litoral areas was dominated by ferns
Appearance of coal deposits.
In south. The temperature cools down.
Climate
Iberia showed a tropical climate
The northern continents have a tropical mild climate.
Cretaceous (150 mya)
Ferns and amphibians dominate the land.
Geography
Iberia continued heading north and completed its anticlockwise rotation.

Geology
There were changes in sea level, and major provisions of calcareous sediments from the remains of the abundant marine life.
Climate
The cretaceous may have been one of the warmer seasons of our planet, due to a large greenhouse.
Biology
The first plants with flowers appeared, and soon later they started to take over the place of gymnosperms.
Also feathered dinosaurs appeared in this period.
Permian (290 mya)
All the territory, together with the future Corsica and Sardinia, had emerged
Geography
Appearance of Pangaea
At end of Permian,Pangaea fragmented in 2 plates.
Geology
Celestial body impacted on the Earth.
Intense volcanic activity all around the world.
A large amount of ash and chemicals into the
atmosphere.
Climate
High temperatures
Dry climates
Tertiary (65 mya)
Pangaea:
Large deserts
Geography
Himalaya was formed when the Indian continent collided with Asia. The African plate started to move towards Europe, which caused the formation of the Alps
Geology
The Alpine orogeny in Iberia started around 65 million years, with the rising of the pyrenees and the Cantabrian coast.
Climate
The climate was warmer and more humid than today's
Biology
Volcanic activity
Biology
The fauna and flora are similar to those in the savanna.
Quaternary (1,6 mya)
Geography
Same as today
Geology
Due the glaciations, when these thawed they left evidence of the existence by forming U-shaped valleys.
Climate
This period is characterized by an alternation between cold periods
Biology
Extreme climate of Pangaea
Atmospheric pollution
Impact of the celestial body
The first remains of hominids found in the Iberian Peninsula belong to this period.
Geology of the autonomous communities
Valencian Community

Castellón: Cordillera Costero-Catalana and Sistema Ibérico.
Valencia: Sistema Ibérico
Alicante: Betic Mountain Range, Pre-Betic Mountain Range to Sub-Betic Mountain Range and Sub-Betic Depression
Valencian Community
Ordovician (510 mya)
Geography
Movement of the continental platforms
·Avalonia to north towards Baltica.
·Baltica to westwards, towards Laurentia.
·Gondwana to South Pole.

Geology
Big glaciers were formed in Gondwana. This cooling produced a decrease in precipitation of calcium carbonate.

Climate
There was a global cooling
Biology
At the beginning of the Ordovician, the groups from the Cambrian continued with their diversification
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