jueves, 18 de enero de 2018

Arqueoastronomía megalítica 2

18 ene 2018. Emitiremos los reportajes "El túnel del tiempo: Arqueoastronomía megalítica 2"... (A partir del min 15:40) La aventura del saber - RTVE.es

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Morir fa 3.500 anys: instruccions d’ús

Esbós de la cambra principal del dolmen de la Llosa; al fons, la rerecambra que s’utilitzava com a ossari (Il·lustració: Olga Palma).

Regirarocs recrea amb il·lustració arqueològica un enterrament de l’etapa final del dolmen de la Llosa, a Bescaran.

Era un home, tenia en morir entre 30 i 35 anys, i els membres de la seva tribu –o potser clan– el van enterrar de costat i amb les mans sota la barbeta, vestit i amb un humil aixovar que incloïa un anell de bronze i un parell de recipients de ceràmica. Al fons, un altre individu acaba d’enretirar cap a la rerecambra d’aquest espai més aviat claustrofòbic les restes d’enterraments anteriors: sobretot, fragments ossis –húmers, fèmurs, mandíbules i algun crani, glups– i una mena de collaret teixit amb unes peces planes fabricades amb os de cabra que recorda vagament les proteccions pectorals egípcies.

Som entre el Bronze Mitjà i el Final, posem que cap al 1500-1000 abans de la nostra era, i l’escena que acabem de descriure va tenir lloc al dolmen de la Llosa, [...] BonDia Diari digital d'Andorra.

Unusually sophisticated prehistoric monuments and technology in the heart of the Aegean

1/3. Excavations underway on Dhaskalio, off Keros. Image credit: Cambridge Keros Project

New excavations on the remote island of Keros reveal monumental architecture and technological sophistication at the dawn of the Cycladic Bronze Age 

New work at the settlement of Dhaskalio, the site adjoining the prehistoric sanctuary on the Cycladic island of Keros has shown this to be a more imposing and densely occupied series of structures than had previously been realised, and one of the most impressive sites of the Aegean during the Early Bronze Age (3rd millennium BC).

Until recently, the island of Keros, located in the Cyclades, south of Naxos, was known for ritual activities dating from 4,500 years ago involving broken marble figurines. Now new excavations are showing that the promontory of Dhaskalio (now a tiny islet because of sea level rise), at the west end of the island next to the sanctuary, was almost entirely covered by remarkable monumental constructions built using stone brought painstakingly from Naxos, some 10km distant. [...] University of Cambridge  / Link 2 (+ photos)

miércoles, 17 de enero de 2018

Legacy of the Leakeys

The Laetoli Footprints document bipedal hominins walking across Africa more than 3.5 million years ago. Here, Mary Leakey, who led the team that discovered the fossils, poses with a cast of the footprints. Photograph by Kenneth Garrett, National Geographic

Generations of women have explored our world with the National Geographic Society, and three generations of women explorers from the Leakey family have brought the history of the world to our community.

In 1978, Mary Leakey and her team left a lasting impression on the world of paleoanthropology when they discovered the “Laetoli Footprints,” trace fossils of our hominin ancestors more than 3.5 million years old.

The footprints were most likely made by two Australopithecus afarensis walking through soft, wet volcanic ash in eastern Africa (what is now Tanzania). When the nearby volcano erupted again, layers of more volcanic ash covered and preserved the earliest known footprints of early humans. [...] National Geographic Blog

Solving a Riddle About the Dawn of Art

1/3. Figures of horses in the Atxurra cave system in Spain astounded archaeologist Diego Garate, who shines his headlamp on this previously unknown panel of artwork. Diego Garate
New tools, partnerships, and investigations into a regional “hole in the map” are helping to fill in the picture of Paleolithic art in Spain's Basque Country.

Diego Garate. On a Friday afternoon in September 2015, speleologist Iñaki Intxaurbe and I ventured into the heart of the Atxurra cave system in Spain’s Basque Country. Archaeologists had known about this labyrinthine underworld for over 80 years, but some of its caves still had surprises in store. After dragging ourselves through narrow corridors, called galleries, we finally arrived at a more comfortable place. We immediately noticed chambers near the ceiling and started climbing so we could look inside. Within minutes, I heard Intxaurbe shouting. I thought he was in danger, perhaps about to fall. But he was staring at the walls: “There is something engraved here!” When we inspected what he found, we were amazed to see the outlines of several bison figures. [...] SAPIENS

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