The Tartessian civilization is one of the great enigmas of the peninsula. Now he is revealing himself from a town in Badajoz

Guareña is a town in Vegas Altas del Guadiana, Badajoz, with just over 6,600 inhabitants. Historians have long known that there, not far from the mouth of the Burdalo Riverit hides an archaeological sitebut its scope was not clear until just over a decade ago. After a first survey, in 2014researchers began to recover pieces and unearth structures that 12 years later have become a fascinating window to one of the most enigmatic peoples who inhabited the southwest of the peninsula: the Tartessians. Since then they have not stopped exploring the deposit (known as Casas de Turuñuelo) in search of treasures like the one that has just surfaced now, during its eighth campaign. What has happened? That we just found a new test (the umpteenth) of the enormous archaeological wealth of Turuñuelo Housesthe Tartessian site located in Guareña, province of Badajoz. Although the eighth exploration campaign started in late April and will not be completed until the end of May, the researchers have found a discovery that has captured the interest of media such as RTVE or Extremadura Channel. In recent days, both media have reported on the discovery of an altar in the shape of a bull’s skin, a characteristic piece of the Tartessian culture that joins another of the same style located during a previous excavation. The structure appeared in a hallway attached to what is known as ‘room 100’ of the site. When analyzing it in detail, the researchers verified that it still has remains of ashes from the sacrificed animals on it. Why is it important? For several reasons. One, it allows us to better understand how the Casas del Turuñuelo site was structured. Two, it confirms its enormous archaeological wealth and (most importantly) its usefulness for knowing the tartessiansthe civilization that prospered in the surroundings of what are now the provinces of Huelva, Seville, Cádiz and Badajoz between approximately the 9th and 5th centuries BC From the Guareña City Council remember In fact, the site is part of the Tartessian culture of the 5th century before our era and “stands out for being one of the most relevant enclaves of said civilization in the Iberian Peninsula.” Proof of its importance is that among the ruins of Casas del Turuñuelo they have been recovered the first reliefs of human faces from Tartessos, which among other things confirms that this ancient culture was not aniconic. Are they your only findings? No. Since surveys began in the area in 2014, the Guareña site has not ceased to amaze us, becoming a real box of surprises… and an archaeological treasure. This explains, among other things, that from the Institute of Archeology (CSIC-Junta de Extremadura) they will consider the creation of a work team with specialists from different disciplines and successive campaigns will be promoted. Only the first three allowed part of a majestic building with two floors, a patio and three rooms to be recovered. And what did they find? In one of these rooms (‘100’), a room of around 70 square metersthe first altar was located in the shape of a bull skin and a bathtub or sarcophagus located at the southern end, attached to the wall. Not only that. Archaeologists have rescued bone and ivory tableware and plates that once decorated a now-lost wooden box. Another area full of surprises is the interior patio, 125 m2, rectangular in plan and connected with a three-meter-high staircase. There archaeologists discovered remains of dozens and dozens of animals, probably related to sacrifices: at least 52 horses, four cows, four pigs and a dog. Bronze weights, unguent jars, remains of a Greek sculpture and bowls were also recovered in the same area. Is it a deposit further? The answer is again ‘no’. And not only for the enormous fascination that generates Tartessos. In just eight campaigns, archaeologists have obtained authentic historical jewels in Casas de Turuñuelo, such as the two ritual altars in the shape of bull skin or the sculptures of faces, “the first human representations of the Tartessian culture”, remember from the CSIC. The site also reserved for us an engraving with combat scenes on a slate plate, an alphabet from 2,500 years ago and the marble altar oldest Greek (at least among those known to date) from the western Mediterranean. Are there more surprises? Yes. As if that were not enough, the structures of the site also keep some secrets that make them unique. For example, part of the stairs that connect to the interior patio are made up of steps made from lime mortar ashlars. It may seem like a minor detail until you discover what it represents. the oldest example known throughout the Iberian Peninsula for “manufacturing lime in an anthropic manner”. The big question now is what treasures remain to surface in Casas del Turuñuelo. Images | Building Tartessus, Junta of Extremadura and CSIC In Xataka | Almost 2,000 years ago a Celtiberian soldier visited the most remote frontier of the Roman Empire. Then he returned to Soria with a souvenir

The “cold stain” of the North Atlantic is one of the greatest enigmas in the oceanic climate. We may have already solved it

There is a region of the North Atlantic that for years intrigue to experts in weather and oceanography. They call her The “cold stain” of the Atlantic And it is a small oasis in an ocean whose waters have been tempered over the years. In a matter of weeks, two studies bring us closer to the resolution of this enigma. Two studies. The two new research published in recent weeks, one in the magazine Communications Earth & Environment And the other in Sciences Advances They address the enigmatic stain and give differentiated but complicitary explanations of the oceanographic dynamics behind this cold spot on the surface of the sea. One of the central axes for both studies is The southern overturning circulation of the Atlantic (AMOC)one of the most important sea currents for the climate on both sides of the “puddle.” A cold stain. The cold stain of the Atlantic is a relatively small region of the ocean surface whose average temperature has dropped (about 0.3º Celsius) instead of ascending as has happened with most surface waters. La Mancha is located south of Greenland, not far from the coasts of Newfoundland, near the waters of the Arctic Ocean. AMOC. Both works indicated directly to the AMOC current as the centerpiece of this climate puzzle. But what is exactly AMOC? The southern overturn circulation of the Atlantic is a current connected to the thermhaline circulation that transports water from north to south and from south to north in the Atlantic Ocean. The North Atlantic the current transports through the surface layers of the ocean the warm waters of tropical latitudes towards high latitudes and the border with the Arctic. Arrival to these latitudes, the water cools and descends to the deepest layers of the ocean, where it is dragged into a current back towards the South Atlantic. This current not only transports water masses of different temperature but also of different salinity: the water of the tropics is warmer more salty than the water in the Arctic environment. A weakened current. He first of the studies He focused on the weakening of this current observed in recent years. In its analysis, the team used direct observations of the current in the last two decades with indirect measures taken throughout the last century in order to “rebuild” the changes in this circulation. They contrasted these data With predictions that different oceanographic models generated under different assumptions. According to its analysis, only a weakened AMOC current could be linked to the data corresponding to compiled observations. “It’s a very robust correlation,” explained in a press release Yuan Li, co -author of the study. “If you look at the observations and compare them with all simulations, only a monoc-debilitated scenario reproduces the cooling in this unique region.” By sea and by air. He Second study He pointed out, however, the weakening of the AMOC current may not be the only relevant factor in the appearance of the Atlantic cold stain. According to this study, the weakening would have been The initial triggerbut the cooling of the stain would have reduced in turn evaporation and moisture in the atmosphere of the region. Since water vapor is a greenhouse gas, this would have been in turn in the reduction of this effect and therefore a regional cooling. “Reduce the greenhouse effect, so to speak, it will feed back the surface and amplify the existing cold anomaly,” also pointed to a press release Yifei Fan, co -author of this second study. In Xataka | 200,000 abandoned radioactive barrels are sought off the coast of Galicia: we have only found 1,000 Image | NASA Scientific Visualization Studio

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