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The findings prove for the first time that prehistoric settlers in Brazil cleared large wooded areas to create huge enclosures meaning that the 'pristine' rainforest celebrated by ecologists is actually relatively new. The ditched enclosures, in Acre state in the western Brazilian Amazon, have been concealed for centuries by trees, but modern deforestation has allowed 450 to emerge from the undergrowth. They were discovered after scientists from the UK and Brazil flew drones over last year. The earthworks, known by archaeologists as 'geoglyphs' probably date from around the year zero. The research was carried out by Jennifer Watling, post-doctoral researcher at the Museum of Archaeology and Ethnography, University of São Paulo, when she was studying for a PhD at the University of Exeter.
Their discovery also reverses assumptions that the rainforest ecosystem has been untouched by humans. “The fact that these sites lay hidden for centuries beneath mature rainforest really challenges the idea that Amazonian forests are ‘pristine ecosystems,'" added Dr Watling.
Using state-of-the-art methods, the team members were able to reconstruct 6000 years of vegetation and fire history around two enclosure sites. They found that humans heavily altered bamboo forests for millennia and clearings were made to build the geoglyphs
So I get all excited on a news item to only realize, "Hey! I posted that last month!
Not everyone is aware of that the extraordinary stone circles of Senegambia are the largest group of megalithic complexes yet recorded in any region of the world.
Most people have heard of Stonehenge in UK, but far from all are familiar with a large concentration of stones that are sometimes referred to as the African Stonehenge. The stone circles and other megaliths found in Senegal and Gambia are divided into four large sites.
originally posted by: TEOTWAWKIAIFF
ATS: 2006 – "Brazilian Stonehenge" discovered...
ATS: 12/2016 – A ‘Stonehenge,’ and a Mystery, in the Amazon.
And now your news released today… I am not sure what to make of it. Is it the pace of science doing all the recording and measuring, then verifying? Or is it a slow release so as not to shock our fragile little minds? Maybe a trial balloon to see who is paying attention??
This is not the only story to do this. I see it in my searches on specific terms and words. Here is what I am noticing. “Researchers release a carefully worded release to a middleman that turns around and offers the article to science website (and things like, EurekAlert, etc). Then a word for word “new” article shows up on their site.” Some places do not bother to reword the title. There are other places that get the original work, do research, and actually write up an article explaining what it means and why it is important but there are not many of those. And sometimes that person gets it wrong . But they are still based off a single source. Strange huh? I see it happen all the time with graphene. I am seeing it happen with nuclear fusion (watch, there will be a ton of articles that proclaim, “star in a jar” when they figure it out! Mark my words).
So I get all excited on a news item to only realize, "Hey! I posted that last month!"
Ah well, I guess I should be happy that somebody is looking out for my fragile little mind!!
PS - Cool that they used drones!
originally posted by: Tardacus
why do "scientists" always think that their ancient discoveries were used for rituals?
maybe it was farm land and the ditches around it were used to collect rainwater to irrigate the crops?
maybe they were villages with moats or fences around them to protect the people from wild animals?
maybe the ditches were primitive fall out shelters,around the villages, to hide in from tornadoes or other extreme weather conditions?
maybe they were pens to keep domestic animals in?
maybe they were 'sewers" around a village to dump human waste in?
there are literally dozens of things they could have been used for so why automatically go to the old assumption that they were for rituals?
The enclosures are unlikely to represent the border of villages, since archaeologists have recovered very few artefacts during excavation. It is thought they were used only sporadically, perhaps as ritual gathering places, as they have no defensive features such as post holes for fences.
originally posted by: Byrd
a reply to: Mastronaut
That's a really neat finding, but the reporter "mooshes up" the whole thing by dragging in Stonehenge... and not actually knowing what a 'henge' is.
The 'henge' isn't an earthworks. It's a circular group of upright stones or logs.
The monuments look like early phases at Stonehenge in Wiltshire, say experts CREDIT: SALMAN KAHN AND JOSÉ IRIARTE
originally posted by: Tardacus
why do "scientists" always think that their ancient discoveries were used for rituals?
maybe it was farm land and the ditches around it were used to collect rainwater to irrigate the crops?
maybe they were villages with moats or fences around them to protect the people from wild animals?
maybe the ditches were primitive fall out shelters,around the villages, to hide in from tornadoes or other extreme weather conditions?
maybe they were pens to keep domestic animals in?
maybe they were 'sewers" around a village to dump human waste in?
there are literally dozens of things they could have been used for so why automatically go to the old assumption that they were for rituals?
originally posted by: acrux
a reply to: Mastronaut
Very cool and interesting in their own right.
I just don't understand why everything is always compared to stone henge when they are great in their own right.
There are three related types of Neolithic earthwork that are all sometimes loosely called henges. The essential characteristic of all three types is that they feature a ring bank and ditch, but with the ditch inside the bank rather than outside. Due to the poor defensive utility of an enclosure with an external bank and an internal ditch, henges are not considered to have served a defensive purpose (cf. circular rampart).