ROUTE 1 WAYPOINT 10 AND ROUTE 2 WAYPOINT 10

 Waypoint 10: The Radiolites (Map route 1) (Map Route 2)

Often we hide the greatest jewels so no one finds them, it is our small treasure. Perhaps it is not the most valuable one, but we take care of it as we are really fond of it.

Below this bridge the stream flows, nature provides us with a small present. If we have a look, it is possible to find a small patch of radiolites, quite worn out by water. Nevertheless, it is easy to appreciate the thick shell with a "gipsy skirt-like" morphology  and the shell without internal structures asides from and small ligament.

One of the casualties that nature gives us its in meltdown time, when the stream carrioes a relatively elevated flow, we can see these rudist underwater. It is in this moment when we can imagine ourselves submerged at this reef that covered all of Castrojimeno village.





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RUTA 1 PUNTO 1 Y RUTA 3 PUNTO 18

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Punto 1: Las Margas iniciales  (Plano Ruta 1)   (Plano Ruta 3) En este punto se observa la primera unidad blanda de la secuencia sedimentaria que forma DS-2. Esta unidad representa  hasta los primeros estratos que dan cierto resalte al cortejo TST, es decir Transgresivo, asociado a una rápida subida del nivel del mar lo que da una rocas de origen marino relativamente profundo. La primera unidad dura que da un ligero saliente mayor representa la superficie de máxima inundación (MFS). A partir de este nivel la tasa de subida del nivel del mar se desacelera haciendo que se vea compensado por el aporte de sedimentos hasta que inicia el cortejo de alto nivel del mar (HST). Paleontológicamente en esta unidad destacan unos ostreidos de gran tamaño, con una valva inferior muy pesada que le permite estabilizarse en el sustrato. Tras la muerte del organismo suele ser colonizado por esponjas y Serpúlidos. También es frecuente encontrar Ammonites como Prionocycloceras iberiense , Tissotia Sp. ,
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ROUTE 3 WAYPOINT 17

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Waypoint 17: Ochre Dolomites (Route 3 Map) At this point it is possible to find the ochre dolomites seen at point 8 again, although the quality of the outcrop is somewhat worse. We can see how it is made up of red dolomites formed by small oolites. All of them are associated with the moment when the sea level began to rise, but still with a low water level.
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ROUTE 3 WAYPOINT 8

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Waypoint 8: Ochre Dolomites (Route 3 Map) From this point we can see a small farm with roe deer, but the presence of a unit of ochre dolomites is particularly noteworthy from a geological point of view. The relevance of this unit is that it marks the beginning of the stratigraphic sequence that contains the main geological elements of interest in the municipality. This unit marks a period of low sea level with almost aerial exposure of the sediment, which generates oxidation and gives these ochre colours.
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