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ATTENTION
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Archaeologists find vast network of Amazon villages laid out like the cosmos
Archaeologists find vast network of Amazon villages laid out like the cosmos
By Laura Geggel - Associate Editor 2 days ago
Laser and satellite technology revealed more than 35 villages.
The round villages all had remarkably similar layouts, with elongated mounds circling a central plaza, like marks on a clock.
"These latter elongated mounds, when seen from above, look like the rays of the sun, which gives them the common name of 'Sóis,'" the Portuguese word for "suns," the researchers wrote in the study.
The discovery is part of a new archaeological focus on the pre-Columbian Amazon. Within the past 20 years, researchers have learned that the rainforest's southern rim was home to a great diversity of soil-sculpting cultures that engineered the landscape before the Europeans arrived. Within the past decade, scientists have uncovered the remnants of so-called "mound villages," which are shaped as circles or rectangles, and connected by road networks.
Archaeologists, however, had yet to look for mound villages in the Brazilian state of Acre, so an international group of researchers teamed up to survey the area with lidar — or light detection and ranging. With this technique, billions of lasers shot from overhead (in this case, from a helicopter) penetrate the rainforest's canopy and map the landscape below.
The lidar survey, combined with satellite data, revealed a remarkable 25 circular mound villages and 11 rectangular mound villages, the researchers said. Another 15 mound villages were so poorly preserved, they could not be categorized as either circular or rectangular, the team added.
Image 1 of 5
A view of the Amazon rainforest from the helicopter during the lidar survey. (Image credit: University of Exeter)
A bird's-eye view of round villages in the Amazon. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
Two roads connecting villages in what is now Acre, Brazil. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
Examples of circular villages that look like the face of clocks. Scale Bar = 50 m. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
A principal road (in red) connecting the connecting the Caboquim and Boa Esperança villages. Scale bar = 100 m. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
The circular mound villages had an average diameter of 282 feet (86 meters), while the rectangular villages tended to be smaller, with an average length of 148 feet (45 m). Further analysis of the "sun" villages revealed they had carefully planned roads; each circular mound village had two "principal roads" that were wide and deep (up to 20 feet, or 6 m, across) with high banks, and smaller "minor roads" that led to nearby streams.
Most of the villages were close to each other — just about 3 miles (4.4 km) apart, the researchers found. The principal roads often connected one village to another, creating a vast community network in the rainforest, the researchers said.
The distinctive and consistent way Indigenous people arranged these villages suggests that they had specific social models for the way they organized their communities, the researchers said. It's even possible that this configuration was meant to represent the cosmos, they noted.
Image 1 of 2
Study co-researcher Mark Robinson mounts the lidar sensor to the helicopter. (Image credit: University of Exeter)
Mark Robinson integrates the lidar sensor with the helicopter. (Image credit: University of Exeter)
Study co-researcher Mark Robinson mounts the lidar sensor to the helicopter. (Image credit: University of Exeter)
Mark Robinson integrates the lidar sensor with the helicopter. (Image credit: University of Exeter)
The intricate road system, however, "is hardly a surprise for Amazonian archaeologists," the researchers wrote in the study. "Early historical accounts attest to the ubiquity of road networks across the Amazon. They are mentioned since the 16th-century account of [the Spanish Dominican missionary] Friar Gaspar de Carvajal, who observed wide roads leading from the riverine villages to the interior." Later, in the 18th century, Col. Antonio Pires de Campos, "described a vast population inhabiting the region, with villages connected by straight, wide roads that were constantly kept clean," the researchers added.
Little is known about the culture practiced by the people in these mound villages. But preliminary research suggests that this culture's ceramics were "cruder" than those of the culture that preceded them, known as the Geoglyphs, who lived in that region from about 400 B.C. to A.D. 950.
The study was published in April in the Journal of Computer Applications in Archaeology, and was just featured on Channel 4's "Jungle Mystery: Lost Kingdoms of the Amazon," in the U.K., which also featured other ancient findings from the Amazon, including a sprawling, 8-mile-long 'canvas' of rock art in Colombia dating to the last ice age.
Originally published on Live Science.
Click the link for more photos and vid.
Archaeologists find vast network of Amazon villages laid out like the cosmos
Archaeologists find vast network of Amazon villages laid out like the cosmos
By Laura Geggel - Associate Editor 2 days ago
Laser and satellite technology revealed more than 35 villages.
- Lidar technology revealed long-abandoned villages that look like the rays of a sun.
(Image: © University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
The round villages all had remarkably similar layouts, with elongated mounds circling a central plaza, like marks on a clock.
"These latter elongated mounds, when seen from above, look like the rays of the sun, which gives them the common name of 'Sóis,'" the Portuguese word for "suns," the researchers wrote in the study.
The discovery is part of a new archaeological focus on the pre-Columbian Amazon. Within the past 20 years, researchers have learned that the rainforest's southern rim was home to a great diversity of soil-sculpting cultures that engineered the landscape before the Europeans arrived. Within the past decade, scientists have uncovered the remnants of so-called "mound villages," which are shaped as circles or rectangles, and connected by road networks.
Archaeologists, however, had yet to look for mound villages in the Brazilian state of Acre, so an international group of researchers teamed up to survey the area with lidar — or light detection and ranging. With this technique, billions of lasers shot from overhead (in this case, from a helicopter) penetrate the rainforest's canopy and map the landscape below.
The lidar survey, combined with satellite data, revealed a remarkable 25 circular mound villages and 11 rectangular mound villages, the researchers said. Another 15 mound villages were so poorly preserved, they could not be categorized as either circular or rectangular, the team added.
Image 1 of 5
A view of the Amazon rainforest from the helicopter during the lidar survey. (Image credit: University of Exeter)
A bird's-eye view of round villages in the Amazon. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
Two roads connecting villages in what is now Acre, Brazil. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
Examples of circular villages that look like the face of clocks. Scale Bar = 50 m. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
A principal road (in red) connecting the connecting the Caboquim and Boa Esperança villages. Scale bar = 100 m. (Image credit: University of Exeter; Iriarte, J, et al. 2020; CC BY 4.0)
The circular mound villages had an average diameter of 282 feet (86 meters), while the rectangular villages tended to be smaller, with an average length of 148 feet (45 m). Further analysis of the "sun" villages revealed they had carefully planned roads; each circular mound village had two "principal roads" that were wide and deep (up to 20 feet, or 6 m, across) with high banks, and smaller "minor roads" that led to nearby streams.
Most of the villages were close to each other — just about 3 miles (4.4 km) apart, the researchers found. The principal roads often connected one village to another, creating a vast community network in the rainforest, the researchers said.
The distinctive and consistent way Indigenous people arranged these villages suggests that they had specific social models for the way they organized their communities, the researchers said. It's even possible that this configuration was meant to represent the cosmos, they noted.
Image 1 of 2
Study co-researcher Mark Robinson mounts the lidar sensor to the helicopter. (Image credit: University of Exeter)
Mark Robinson integrates the lidar sensor with the helicopter. (Image credit: University of Exeter)
Study co-researcher Mark Robinson mounts the lidar sensor to the helicopter. (Image credit: University of Exeter)
Mark Robinson integrates the lidar sensor with the helicopter. (Image credit: University of Exeter)
The intricate road system, however, "is hardly a surprise for Amazonian archaeologists," the researchers wrote in the study. "Early historical accounts attest to the ubiquity of road networks across the Amazon. They are mentioned since the 16th-century account of [the Spanish Dominican missionary] Friar Gaspar de Carvajal, who observed wide roads leading from the riverine villages to the interior." Later, in the 18th century, Col. Antonio Pires de Campos, "described a vast population inhabiting the region, with villages connected by straight, wide roads that were constantly kept clean," the researchers added.
Little is known about the culture practiced by the people in these mound villages. But preliminary research suggests that this culture's ceramics were "cruder" than those of the culture that preceded them, known as the Geoglyphs, who lived in that region from about 400 B.C. to A.D. 950.
The study was published in April in the Journal of Computer Applications in Archaeology, and was just featured on Channel 4's "Jungle Mystery: Lost Kingdoms of the Amazon," in the U.K., which also featured other ancient findings from the Amazon, including a sprawling, 8-mile-long 'canvas' of rock art in Colombia dating to the last ice age.
Originally published on Live Science.
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