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The soils and mountains of the Region of Murcia hide a unique geological heritage in Spain and with points of true international interest.
Researchers from the University of Murcia have presented on Wednesday the update of the inventory of geological sites of the Region of Murcia, a document whose development is the first step to be able to establish protection and conservation measures for this heritage;
as well as to establish scientific, educational, touristic and recreational uses that allow to make known the geological wealth of the Autonomous Community.
In this update, geologists from the University of Murcia have included 14 new spaces, in addition to the 20 that were already cataloged in 2009. These spaces were already known to geologists, but they needed to be studied in detail and delimited.
It is about rocks, minerals or deposits distributed throughout the Region and that have a special value.
"We can say that, in its only 11,000 kilometers in size, the Region of Murcia is the autonomous community with the greatest geodiversity," says the geologist and UMU professor Francisco Guillén Mondéjar.
Among the international attractions included in this inventory is what is known as 'the black layer of Caravaca', a place where scientists have found evidence to support the theory that the impact of a meteorite on Earth caused the extinction of dinosaurs.
It is the remains of the dust that covered the earth after this impact.
Those chemical elements that were spread 65 million years ago by the air with the impact of meteorites were deposited and have been preserved.
The inventory also includes the discovery of a large lake 500,000 years ago in the Baños de Mula, as well as spaces of volcanic stone, vestige of volcanic eruptions in Cartagena, among other areas of great value.
The list of cataloged spaces is as follows:
INTERNATIONAL INTEREST
VOLCANO DE ROCAS ULTRAPOTÁSICAS DE LA ALJORRA (CARTAGENA).
It is a volcanic outcrop of lamproitic rocks.
In addition to its interest in the rarity of these rocks on planet Earth, it is the only outcrop in the Campo de Cartagena.
DIQUE OF ULTRAPOTASIC RIVERS OF SPILLERS (FORTUNA).
Petrological-geochemical, mineralogical interest, history of geology.
Volcanic dyke of lamproitic rocks.
Adam de Yarza described these rocks for the first time in 1895 under the name fortunitas.
ULTRAPOTASIC ROCK DUCK AND EVAPORITHIC AND DETRITICAL SERIES OF EL TALE (ABANILLA).
Petrological-geochemical, mineralogical interest and history of geology: best exemplary volcanic dyke of lamproitic rocks of the Region of Murcia.
These rocks were first described by Adán de Yarza in 1895 as fortunitas.
EVAPORITAS AND DIATOMITAS OF THE RIVER CHICAMO (ABANILLA).
The interest of the Miocene evaporitic series of the Fortuna - Mula Basin is that it contains the evidence of two drying stages in the Betic Corridor.
DUQUET DE ROCAS ULTRAPOTÁSICAS DE PUEBLA DE MULA.
Petrological-geochemical, mineralogical interest.
Volcanic dike of lamproitic rocks fortunitas type of almost one kilometer.
GEODIVERSITY OF LA PUEBLA AND THE BATHS OF MULA.
Stratigraphic, sedimentological, geomorphological, paleontological, tectonic, petrological-geochemical, mining-metallogenetic, hydrogeological interest, singular buildings by the construction rock.
SYNTHETICAL TRAVERTINES OF CARRACLACA (LORCA).
It is a reference location for Spanish and international active fault investigation groups.
It is one of the best known points in the Iberian Peninsula where we can observe active travertine systems affected by active seismogenic faults.
LIMITES K / PG YP / E BARRANCO DEL GREDERO CARAVACA DE LA CRUZ.
Stratigraphic interest.
It is one of the most continuous sections of the Cretaceous / Tertiary (K / Pg) transit in the world.
It has found clear evidence of the meteoric impact that caused one of the five major biological crises in the history of the Earth.
NATIONAL INTEREST
SHORT BRUNITA AND ACID LAGOON (CARTAGENA AND THE UNION).
Metallogenic, mineralogical, hydrogeological, geochemical, environmental and landscape interest.
The educational value of the site is enormous, both from a geological and environmental point of view.
AMBER OF BARRANCO DE HONDARES (MORATALLA).
Paleontological interest.
It is the outcrop of southernmost amber of the Iberian Peninsula.
REGIONAL INTEREST
CABEZO NEGRO DE LOS PÉREZ (CARTAGENA).
Petrological, geochemical and mineralogical interest.
It is the most important and most complex volcanic structure within the basaltic volcanic field of Cartagena, in which two successive eruptive stages are clearly observed, which in both cases present an initial pyroclastic formation, followed by a basaltic lava flow.
BASÁLTICA COLADA OF THE RAMBLA DE PEÑAS BLANCAS (CARTAGENA).
Petrological-geochemical and mineralogical interest.
The stratigraphic situation of the casting of basalts between alluvions of the Pleistocene confirms that the corresponding volcanic eruption occurred in the Quaternary, as established by the absolute age dates made in these materials.
The volcanic formations were covered by alluvium during the rest of the quaternary period and the erosive action of the Peñas Blancas river has exhumed them in more recent times.
STRAIT OF THE AGUALEJA (ALEDO).
Geomorphological, stratigraphic and sedimentological interest.
Synergy of ancient geological processes, occurred about 7 million years ago.
The water has given rise to one of the most beautiful gorges of the Region of Murcia.
DIAPIRO DE CAMPULES (FORTUNA).
The Diapiro de Campules is an anticline structure with a Betic orientation, whose core is formed by clays and Keuper plasters.
Source: Universidad de Murcia
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