Basaltic cliffs of Castellfollit de la Roca (Ebro Basin, deformed foreland)

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The basaltic cliffs of Castellfollit de la Roca are a one of the sites most popular of Catalan geological heritage thanks to its unique beauty. It is located in the Volcanic Zone of the La Garrotxa, comprising more than 40 Quaternary volcanic cones in excellent condition.
The cliff is formed by overlapping two volcanic lava flows invaded the valley of the river Fluvià. Later, the river dug this obstacle and describes this remarkable precipice. One of the most notable is the disjunction in its hexagonal columns.

Neotectonic gravens of Ferran (Ebro Basin, undeformed cover)

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They are two small tectonic gravens in echelon. They have about 9 km long and 500 meters wide and are limited by normal faults. The vertical jump is a minimum 50 m. They are located in a very flat region of Cenozoic sediments, which has almost no tectonic deformation. Presents some remarkable characteristics, such as:

• The low sinuosity of its limits.
• Cut clearly of rivers that drain the basin.
• His background is lower than the regional elevation.

All this suggests that they have a very recent origin.

Dinosaur traces from Fumanya South (Pyrenees, Lower mantle)

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The outcrop of dinosaur traces from Fumanya South is located in an opencast coal mine. Actually are two sites adjacent with a surface 14,000 m2.  On the roof of a marly limestones  Maastrichtian strata, tilted about  60 degrees, there are plenty dinosaur footprints (2200!) and tracks of about 30 titanosaurs.
This is the second most important site in the world of sauropods footprints. Also, this is the second most important site in the world of the Cretaceous; and the third most important site in the world in relation to surface traces, after Lark Quarry (Australia) and Chaoyang (China).
 

Closa de Sant Dalmai Volcano (Margin of the Valencia Trough, La Selva depression)

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La Crosa de Sant Dalmai is a phreatomagmatic Quaternary volcano. It is perfectly preserved and has a high scientific and educational value. It should be noted the large crater, 1200 m in diameter, 225 m and maximum depth of 75, and the surface covered by material projected from 6 km2.
The cone is composed of fragments of basalt, granite and metamorphic rocks as a result of the different types of violent explosive eruptions that formed. Attached to the north lip, is a small volcano outlining which corresponds to a strombolian late phase.
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Geological map og IGC

Oliana anticline (Pyrenees, upper mantle)

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The anticline of Oliana is a structure clearly identifiable and is a very representative example of the eastern boundary of the south Pyrenean area, and his systems thrusts and folds, and relationships that took place between the tectonic, sedimentary and geomorphological processes.
In the northern flank of the anticline is a preserved collection of syntectonical sediments related to a series of thrusts that can define the sequence of this strain. The age of the sediments includes the Upper Eocene to Lower Oligocene.
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Geological map from IGC
Vertical-axis rotation of the Oliana anticline
Vertical-axis rotation of a foreland fold and implications for orogenic curvature: an example from the Southern Pyrenees, Spain
Evolución de los sistemas de rampas oblicuas de los Pirineos meridionales: fallas del Segre y Pamplona
Aportaciones al conocimiento del Eoceno del anticlinal de Oliana (prov. Lérida)