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Digging up the past: What can archaeology tell us?

 

 
https://cosmosmagazine.com/wp-content/uploads/2022/11/1200-SB_1200-e1668733372364.jp g" alt="Header reading: LISTNR, The Science Briefing, hosted by Dr Sophie Calabretto, Cosmos" width="1200" height="675" data-spai="1" data-spai-orig-obs="true" data-spai-lazy-loaded="true" data-spai-width="754" data-spai-height="424.125" />

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Digging up the past: What can archaeology tell us? (cosmosmagazine.com)

 

 

 

 

 

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Maya civilizations are household names – but it’s the Olmecs who are the ‘mother culture’ of ancient Mesoamerica

 

Published: June 7, 2023 8.24am EDT
 

An extremely important 1-ton sculpture, sometimes referred to by archaeologists as an “Earth Monster” or Monument 9, was repatriated to Mexico from a private collection in Colorado in May 2023, according to an announcement from Mexico’s Consul General in New York. The monument features the head of a front-facing creature with a gaping mouth: a supernatural being that represented the living, animate earth to an ancient culture in Central America and Mexico.

 

This sculpture was reportedly found at the base of a hill at Chalcatzingo, an archaeological site some 80 miles (130 kilometers) south of Mexico City, and dates to roughly 600 B.C. Chalcatzingo is closely related to Olmec culture, one of the earliest in ancient Mesoamerica.

I am an archaeologist specializing in Mesoamerica: an area that encompassed present-day southern Mexico, parts of Costa Rica and all of Guatemala, Belize, Honduras, El Salvador and Nicaragua. I have visited Chalcatzingo many times while researching the development of this rich cultural region.

A woman in a bright blue suit and a man in a black suit stand in front of a large poster with a stone statue on it. ?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=413&fit=crop&dpr=2 1200w, ?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=413&fit=crop&dpr=3 1800w, ?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=519&fit=crop&dpr=1 754w, ?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=519&fit=crop&dpr=2 1508w, ?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=519&fit=crop&dpr=3 2262w" />
 
Colorado Lt. Gov. Dianne Primavera, left, is shown a photograph of Monument 9 before it was returned to Mexico. AP Photo/David Zalubowski

Many scholars regard the Olmec as the “mother culture” of ancient Mesoamerica, a civilization where particular types of monumental architecture, sculpture and gods originated. Among the later Maya, for example, the gods of wind, rain and corn – or more precisely, maize – are clearly derived from the earlier Olmec culture.

Don’t let yourself be misled. Understand issues with help from experts Elaborate art

The Olmec heartland was in what are now the Mexican states of Tabasco and southern Veracruz, along the southern coast of the Gulf of Mexico. Much of their influence was based on economic wealth from corn.

Of Olmec art that has survived the centuries, their carved heads are particularly striking and well known. By 1000 B.C., Olmec sculptors at San Lorenzo, Mexico, had fashioned no fewer than 10 colossal heads, all over 6 feet high. Archaeologists believe these are individualized portraits of rulers, each with their own specific headdress: depictions of specific people, which is quite rare in New World art.

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A jade head created during the Olmec civilization, now housed at Mexico City’s National Anthropology Museum. DeAgostini/Getty Images

The Olmecs were also masters in the carving of jade. I was involved in locating the original Olmec and Maya jadeite sources in highland eastern Guatemala, found in stone outcrops often located about 6,000 feet above sea level.

Artisans beginning around 900 B.C. carved life-size jade masks that almost look like molded plastic, but which must have been the result of a laborious process to grind and polish this extremely hard, dense stone.

Sacred system

All Olmec sculpture was created for a purpose, whether it be religious or political. In the case of Monument 9, it clearly pertains to the Earth, which in Mesoamerica was considered a sacred, living being.

The Olmecs existed at a time when maize agriculture had first developed, which stabilized and increased their economy – a transformative shift in the development of Mesoamerican civilization.

During this period, they developed an elaborate religious system that emphasized the sacredness of corn and rain, including a maize god. Quite frequently, this deity is depicted with an ear of corn emerging out of the center of his cleft head. In other cases, the head is sharply turned back, invoking growing corn. This form appears in Teopantecuantitlán, an archaeological site in highland Mexico, where there is a masonry court with four images of the Olmec maize god.

As a tall grass, corn needs a great deal of water to survive the summer, making rain all-important. Trying to please the rain god in return for rain was a vital part of Olmec religion.

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A cup showing the Olmec maize god as growing corn. Heritage Art/Heritage Images via Getty Images

The Olmec spread similar practices and beliefs across ancient Mexico and Guatemala, probably in part to engage other peoples more directly with their economic trade network. Rather than an empire of domination, the Olmec were a culture focused on agricultural abundance and wealth.

Sacred mountains were of extreme importance as well, as can be seen at Chalcatzingo and at a hill called Cerro El Manatí, located very close to the site at San Lorenzo. At this hill, there is a perennial spring with sweet freshwater that fills a pool below at the base. In this pool, the Olmec offered a huge amount of valued material, including rubber balls for ritual sport, as well as many jadeite axes. According to two scholars of Mesoamerica, Ponciano Ortiz and María del Carmen Rodríguez, this is the first clear example of a sacred mountain of abundance, which persists in Mesoamerican belief and ritual to this day.

Earth Monster’s home

Far to the west of the Olmec heartland, in the Mexican state of Morelos, is Cerro Chalcatzingo, the site where the Earth Monster monument originated. Here, the Olmec focus on the mountain as a provider of wealth and sustenance, portrayed in several sculptures as a cave.

Even before Olmec times, the idea of fertile caves was shown as a four-lobed motif resembling a flower – an important symbol that continued even into the 16th century with the Aztec.

The most famous Olmec bedrock carving at Chalcatzingo is called Monument 1 and features a woman in profile – probably a goddess – seated within the cave. This carving is directly above where rainwater pours down from the top of the mountain. Below are what archaeologists call “cupules”: cuplike holes carved in bedrock directly below to receive this water, and collected by priests and pilgrims. On the opposite side of the hill is another rock carving featuring the same cave in profile, facing Monument 1.

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An Olmec structure at the archaeological site in Chalcatzingo. Ihiroalfonso/Wikimedia CommonsCC BY-SA

Sadly, Monument 9, which was recently returned to Mexico, was looted from the site, so its original context is unknown. In archaeology, it is important to understand not only when an object was made and who created it, but where it was placed. Nonetheless, Monument 9 portrays the same cave as two other sculptures at the site, which are carved directly into the rock surface of the mountain.

Monument 9 is significant, as it denotes the central Earth Monster cave, and unlike the other two Olmec carvings, it is face-on rather than rendered in profile. It probably was placed against a mound with its open mouth leading to a chamber inside, symbolizing a portal to the underworld.

That this highly sacred object is back in Mexico is of utmost importance for Indigenous Mexicans. To its creators, Monument 9 likely represented the source of life and abundance, as well as sacred rituals associated with them – ideas and practices that pervaded subsequent Mesoamerican civilizations.

 

 

 

 

 

 

 

 

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Aztec and Maya civilizations are household names – but it's the Olmecs who are the 'mother culture' of ancient Mesoamerica (theconversation.com)

 

 

 

 

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The World’s Highest Lake Isn’t Lake Titicaca

 

The most elevated lake is almost double the height of Lake Titicaca.

 

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CHARLIE HAIGH

 

 

Published July 11, 2023
 
 
Titicaca Lake in Bolivia

It might not be the world's highest lake, but Lake Titicaca still has a lot to offer.

Image credit: Galyna Andrushko / Shutterstock.com

 

At an impressive elevation of 3,810 meters (12,500 feet) above sea level, Lake Titicaca in the Andes Mountains of South America is widely considered to be the world’s highest lake. In actuality, this famous body of water is trumped by 14 higher elevated lakes, the highest of which sits over 2,500 meters (8,200 feet) above Lake Titicaca.

Despite not technically being the world’s highest lake, Lake Titicaca is the world’s highest lake that is navigable to large vessels, and is the world’s largest alpine lake. The 8,300-square-kilometer (3,200-square-mile) stretch of water is South America’s second-largest lake after Lake Maracaibo. But it’s Andean neighbour, Ojos del Salado, towers over Lake Titicaca, sitting at an elevation of 6,390 meters (20,965 feet) above sea level.

Ojos del Salado

While its surface area is puny by comparison, covering around 100 meters (328 feet) in diameter, Ojos del Salado sits 6,390 meters (20,965 feet) above sea level – that’s almost eight times the height of the Burj Khalifa, the world’s tallest building. The area surrounding the lake makes up part of a vast volcanic structure in the High Andes that is also home to the world’s highest volcano.

Reaching heights of 6,879 meters (22,569 feet) in places, the dormant Ojos del Salado volcano was active during the Pleistocene and Holocene when lava flow created mounds and depressions, some of which eventually filled with water and formed lakes.

Lake Titicaca

While the famous Lake Titicaca is knocked off the top spot as the highest elevated, it is still an impressive and complex geological feature that is also home to many native communities. Stretching for a distance of 190 kilometers (129 miles), the lake receives water from more than 25 rivers, with two-fifths of the entire basin coming from one single river: the Ramis.

With a depth between 140 and 180 meters (460 and 600 feet), the lake is also home to 41 individual islands, some of which are densely populated. Roughly 4,000 people inhabit these islands, with the Uro tribe, who predate the Incan civilization, having preserved much of their traditional way of life.

The largest of the lake’s islands is Isla del Sol which stretches across 14.3 square kilometers (5.5 square miles). Taking its name from the Temple of the Sun, believed to be where the founders of the Inca dynasty were sent by the sun god, the island is home to many ancient structures including the two-story, 15- by 13-meter (50- by 43-foot) Inca’s Palace.

 

Uros floating island near Puno city, Peru
The Uros islands floating in Lake Titicaca.
Image credit: saiko3p / Shutterstock.com

Other impressively high lakes

The majority of these elevated lakes are formed from volcano craters and sit in the Himalayas in Asia and in South America, home to two of the world’s tallest mountain ranges. Along with Lake Titicaca and Ojos del Salado, South America is also home to Chile’s Lake Licancabur. The world’s ninth-highest lake, Lake Licancabur possesses high levels of ultra-radiation that creates an environment similar to the surface of Mars.

Chile’s second-highest lake, at an altitude of 6,206 meters (20,361 feet), sits atop the Nevado de Tres Cruces volcano which last erupted 28,000 years ago. The area is famous for its scuba diving expeditions deep into the lake’s waters.

The Himalayas' highest lake was once found a few miles north of Mount Everest at an elevation of 6,368 meters (20,892 feet). Recent satellite imagery suggests, however, that what was once the second-highest lake in the world has now dried up and is considered extinct.

Despite their extreme conditions, many of the world’s highest lakes, including Ojos del Salado, are popular tourist destinations, with local communities encouraging hiking and sightseeing. It is, however, always important to seek advice from experienced local guides and be aware of the different features’ geological quirks.   

 

 

 

 

 

 

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The World’s Highest Lake Isn’t Lake Titicaca | IFLScience

 

 

 

 

 

 

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Archaeologists may have found ruins of fabled entrance to Zapotec underworld

 

Spanish missionaries deemed Lyobaa to be a "back door to hell" and sealed all entrances.

 

An archaeological research expedition has uncovered evidence of a legendary subterranean labyrinth under the ruins of Mitla in Oaxaca, Mexico, believed by the ancient Zapotecs to be an entrance to the underworld they called Lyobaa.
 

In 1674, a priest named Francisco de Burgoa published his account of visiting the ruins of the Zapotec city of Mitla in what is now Oaxaca in southern Mexico. He described a vast underground temple with four interconnected chambers, the last of which featured a stone door leading into a deep cavern. The Zapotec believed this to be the entrance to the underworld known as Lyobaa ("place of rest"). Burgoa claimed that Spanish missionaries who explored the ruins sealed all entrances to the temple, and local lore has long held that the entrance lies under the main altar of a Catholic church built over the ruins.

An international team of archaeologists recently announced that they found evidence for this fabled underground labyrinth under the ruins—right where the legends said it should be—after conducting scans of the site using ground penetrating radar (GPR), electrical resistivity tomography (ERT), and seismic noise tomography (SNT).  The team also found evidence of an earlier construction stage of a palace located in another part of the site.

Mitla is one of the most significant archaeological sites in Oaxaca Valley. It was an important religious center, serving as a sacred burial site—hence its name, which derives from Mictlan ("place of the dead" or "underworld"). The unique structures at Mitla feature impressively intricate mosaics and geometric designs on all the tombs, panels, friezes, and walls, made with small polished stone pieces fitted together without using mortar.

 

Title page of Father Burgoa’s <em>Geographica Descripción </em>(1674).
Enlarge / Title page of Father Burgoa’s Geographica Descripción (1674).
ARX Project
 

Spanish soldiers and Christian missionaries began arriving in the valley in the 1520s, and several mentioned the ruins of Mitla in their accounts. Naturally, they interpreted the underground temple as a site for an "evil spirit" and its "demoniacal servants." Burgoa's writing is the most descriptive, detailing how the Zapotec high priest used the palace of the living and the dead. He marveled at the mosaics and skilled construction of the site. And he specifically mentioned four chambers above the ground and four chambers below the ground.

Per Burgoa, the first underground chamber served as a chapel; the second was where the high priests were buried; the third was where the kings were buried, along with their luxurious worldly goods; and the fourth featured a door at the rear which purportedly led to "a dark and gruesome room." A stone slab covered the entrance. "Through this door they threw the bodies of the victims of the great lords and chieftains who had fallen in battle," Burgoa wrote. It seems that certain "zealous prelates" decided to explore the underground structures, carrying lighted torches and using ropes as guides to ensure they didn't get lost. They encountered "putrefaction," foul odors, and "poisonous reptiles," among other horrors.

Once back above ground, the explorers walled up what they considered to be a "back door to hell." An archbishop ordered Mitla destroyed in 1553, and the stone blocks and other rubble were used to build various Spanish Catholic churches, most notably the Church of San Pablo, built right on top of part of the ruins. Several modern explorers subsequently found their way to the ruins at Mitla between 1834 and 1960. Various small underground chambers were discovered during those and later excavations, but nothing that matched Bergoa's description of a vast labyrinthine network of large connected chambers. Still, the legend persisted.

Aerial view of the Church Group of Mitla, with the Church of San Pablo facing west.
Enlarge / Aerial view of the Church Group of Mitla, with the Church of San Pablo facing west.
 

Enter the fine folks at the Archeology Research and Exploration (ARX) Project. They started a collaboration called Project Lyobaa with the Mexican National Institute of History and Anthropology (INAH) and the National Autonomous University of Mexico (UNAM) to apply non-destructive geophysical methods commonly used for archaeological research and conservation to the site in hopes of uncovering evidence of the lost underground chambers. The three methods measure different reflection properties of various types of electromagnetic and seismic waves through various subsoil layers and materials. Among other uses, this can help detect any underground cavities—like those the Zapotec reportedly used in rituals connected with the cult of the dead—or buried objects and/or archaeological structures.

Today's site has five distinct groups of buildings: the South, the Adobe, the Arroyo, the Columns or Palace, and the Church or North Group. The latter two have been fully excavated and restored and are open to the public, and both feature single-story rectangular buildings surrounding rectangular courtyards. The team decided that the Church Group seemed the most likely match for Burgoa's 17th century description, particularly since that area has not yet been extensively explored, given that the Church of San Pablo still stands over the ruins.

For instance, the Church Group has three communicating courtyards of diminishing sizes, surrounded by rooms on all four sides, and there is a strong possibility that a fourth courtyard existed either to the north or the south. That matches Burgoa's description of four communicating chambers (or courtyards) above ground and four below. The Church Group sits on natural bedrock in an area known for natural caverns. The team thought building a Catholic church on top of the ruins was a way to "Christianize" a ritualistic site. Plus, San Pablo is a saint associated with caves and other underground spaces.

 

Seismic tomography scan of the Church Group at the frequency of 4.76 Hz, revealing areas of low velocity (in blue) that could indicate the presence of underground chambers or natural cavities.
Enlarge / Seismic tomography scan of the Church Group at the frequency of 4.76 Hz, revealing areas of low velocity (in blue) that could indicate the presence of underground chambers or natural cavities.
 

So they placed various arrays of electrodes and geophones around the church. Once all the data and imagery collected with GPR, ERT, and SNT had been combined, the team produced a 3D model of the site. The GPR and ERT data confirmed the existence of a large void beneath the main altar of the Church of San Pablo, which seemed to connect with another anomaly to the north of the Church. There are also two passages entering the main void from the east, between five and eight meters deep. The team was also able to identify a possible blocked entrance under the main altar.

Furthermore, there was evidence of an earlier construction phase for the Palace of the Columns (in the Columns Group), in the form of a stairway leading to a portico with two doorways, as well as evidence of a deep trench that may have been dug by archaeologists or treasure hunters sometime in the past century. The same joint team will return to Mitla later this year to continue their geophysical research, this time expanding their focus to incorporate groups of structures to the west and south of the site. They are also seeking permission to conduct more scans of the church of San Pablo to get images with better resolution.

Listing image by Marco M. Vigato/ARX Project

 

 

 

 

 

 

 

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Archaeologists may have found ruins of fabled entrance to Zapotec underworld | Ars Technica

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Archaeologists Uncovered Mythical Labyrinth Under Ancient Church

 

By Charlene Badasie | Updated 1 day ago

 

ancient ruins labyrinth
Artist’s rendering of a labyrinth
 

Evidence of an underground maze beneath the ancient ruins of Mitla in Oaxaca, Mexico, has been unearthed by archaeologists. Previously thought to be a legend, this labyrinth is believed to be the gateway to the Zapotec underworld, Lyobaa, or “place of rest.” The ancient people of Zapotec considered it to be a sacred place.

Archaeologists believe they’ve discovered the infamous Backdoor to Hell in the Mitla ruins in Mexico.

According to Popular Mechanics, the Project Lyobaa research team discovered that the myth was true after finding a system of caves and passageways believed to be the fabled backdoor to hell. The effort is a collaboration between the Archeology Research and Exploration (ARX) Project, the Mexican National Institute of History and Anthropology (INAH), and the National Autonomous University of Mexico.

Using a blend of ancient legend and modern-day technology, the team says the “findings confirm the existence of extensive underground chambers and tunnels underneath the Church Group of the ancient ruins.” It is the exact location cited in colonial documents and believed by local tradition to be the entrance to the great undergroud temple of Lyobaa.

 

Church in Mitla, Mexico
Church in Mitla, Mexico

According to the research team, the discoveries, which include evidence of an earlier construction phase of the Palace of the Columns, are expected to revolutionize the understanding of the ancient Mitla ruins in Mexico. These ruins are known for their five distinct clusters of structures. The Columns Group and Church Group have undergone extensive restoration and are finally open to the public.

During their exploration beneath the primary altar of the Catholic Church, the team also discovered a large void that seemed to be linked to another geophysical abnormality located north of the church. Further analysis of the data exposed the presence of two underground passages running in an east-west direction, situated approximately 16 to 26 feet below the surface.

 

This revelation provided a glimpse into the underground architecture. “The arrangement of chambers and tunnels underneath the church displays a far greater and more complex articulation than the relatively simple cruciform chambers that exist under the Columns Group and in other parts of the site,” the team said of the ancient ruins.

The most fascinating discovery was a stone door that led to an inexplicable cavern, extending an astonishing depth of 90 miles into the Earth…

“The depth and orientation of the newly identified chambers suggest that they may not have been originally connected to the buildings above ground.” ARX Project plans to resume its investigations in September 2023 in hopes of discovering more underground chambers. However, there are no immediate plans to physically venture into the speculated gateway to the underworld.

Interestingly, Francisco de Burgoa, a Dominican chronicler from the 17th century, provided a detailed account of his 1674 ancient ruins expedition alongside a group of Spanish missionaries. Together, they explored subterranean temples and uncovered a series of four interconnected chambers, where they discovered the burial sites of Teozepotlan’s priests and kings.

During their exploration beneath the primary altar of the Catholic Church, the team also discovered a large void that seemed to be linked to another geophysical abnormality located north of the church.

However, the most fascinating discovery was a stone door that led to an inexplicable cavern, extending an astonishing depth of 90 miles into the Earth (although the plausibility of such depth remains uncertain). This underground expanse featured intersecting passages and a roof supported by pillars, adding to the intrigue of their findings.

Believing the underground labyrinth to be an entrance to Hell, the missionaries supposedly took measures to seal off the site. Rediscovering this location centuries later required the use of ground-penetrating radar, electrical resistivity tomography, and seismic noise tomography. Combining these techniques provided a precise three-dimensional model of the ancient ruins, marking a significant achievement.

 

 

 

 

 

 

 

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Archaeologists Uncovered Mythical Labyrinth Under Ancient Church (giantfreakinrobot.com)

 

 

 

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