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Portrait reconstruction of A man buried in Argentina in the Ancient South America era
Ancient Individual

A man buried in Argentina in the Ancient South America era

A man buried in Argentina during the Laguna Chica Site 6800 Years Ago

A fragment of the ancient world, preserved across millennia in strands of DNA.

I8350
7000 BCE - 4500 BCE
Male
Argentina
Scroll to begin
Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I8350

Date Range

7000 BCE - 4500 BCE

Cultural Period

Laguna Chica Site 6800 Years Ago

Biological Sex

Male

mtDNA Haplogroup

A2

Y-DNA Haplogroup

Q-M3

Chapter II

Place

Where this individual was discovered

Country Argentina
Locality Pampas. Laguna Chica
Chapter III

Time

When this individual lived in the broader context of human history

I8350 7000 BCE - 4500 BCE
Chapter IV

Story

The narrative of this ancient life

The Laguna Chica site in Argentina, dating back approximately 6800 years, offers a fascinating glimpse into the early stages of Andean civilization. This period, which falls within the Late Archaic era, marks a time of significant transition and cultural development as human societies across the Andean region began to shift from predominantly nomadic hunter-gatherer lifestyles to more sedentary, complex societies.

Geography and Environment

The Laguna Chica site is situated in the Andean foothills, characterized by a diverse environment that includes high-altitude grasslands, freshwater lakes, and nearby mountainous regions. This variety provided a rich setting that supported a wide range of flora and fauna, crucial for early Andean societies. The climate during this period was likely variable, with seasonal weather patterns influencing the availability of resources.

Subsistence Strategies

The inhabitants of the Laguna Chica site practiced a mixed subsistence strategy, integrating hunting, gathering, and early forms of agriculture. Archaeobotanical evidence suggests the collection and consumption of native plants, such as tubers and grains like quinoa, alongside the gathering of wild fruits and nuts. These early agricultural practices were supplemented by hunting local game, which might have included guanacos (wild relatives of the llama), deer, and small game. Fishing and the harvesting of aquatic resources from nearby lakes would have also played an integral role in their diet.

Tools and Technology

The technological toolkit of the site's inhabitants was diverse and indicative of a society adept at exploiting its environment. Stone tools, such as projectile points and scrapers, were expertly crafted, reflecting advanced skills in lithic technology. The presence of grinding stones and pottery fragments suggests the processing of plant materials and the storage or cooking of food. Innovation in tool-making during this era marks a step towards increased efficiency in food processing and daily life.

Social Structure and Settlement Patterns

Evidence from the Laguna Chica site hints at the beginnings of more permanent settlement patterns. While still partially nomadic, people began to establish semi-permanent camps, likely based around resource availability. These settlements may have served as central bases from which foraging and hunting expeditions were launched.

Social structures during this time were likely kin-based, with extended family groups or small bands cooperating to exploit local resources. The sharing of tasks such as hunting, gathering, and tool-making would have fostered strong communal bonds and a cooperative social structure.

Cultural and Spiritual Life

Artifacts and burial sites suggest a rich cultural and spiritual life. The Laguna Chica inhabitants likely participated in rituals or ceremonies linked to the changing seasons, hunting practices, or social cohesion. Items such as carved bone or stone amulets hint at the importance of spiritual or symbolic items which might have been used in personal adornment or religious practices.

Interaction and Trade

Despite the remote and rugged location, there is evidence to suggest interaction with other contemporary groups. The exchange of goods such as obsidian, shells, or other exotic materials points to a network of trade and communication. These interactions would have facilitated not only the exchange of goods but also ideas and cultural practices.

Conclusion

The Laguna Chica site 6800 years ago represents a critical juncture in the development of early Andean civilization. It reflects a society in transition, balancing between traditional nomadic ways and emerging sedentism, with increasing complexity in technology, social structure, and culture. This period set the groundwork for future developments in the Andes, leading to the rise of complex societies and ultimately the great civilizations of the region, such as the Inca.

Context

Related Samples

This individual exists within a broader network of ancient samples. No ancient genome stands alone.

Sample ID Culture/Period Date Location Action
I0041 Lauricocha, Peru 8,600 Years Ago 6640 BCE Lauricocha. Highlands, Peru View
I0039 Lauricocha, Peru 3,500 Years Ago 1660 BCE Lauricocha. Highlands, Peru View
I0040 Lauricocha, Peru 5,800 Years Ago 3990 BCE Lauricocha. Highlands, Peru View
I1748 Arroyo Seco 2 Site 7200 Years Ago 5460 BCE Arroyo Seco II, Argentina View
I0309 Arroyo Seco 2 Site 7700 Years Ago 5850 BCE Arroyo Seco II, Argentina View
I1357 Laramate, Peru 900 Years Ago 900 CE Botigiriayocc. Laramate. Highlands, Peru View
I1484 Laramate, Peru 900 Years Ago 1050 CE Botigiriayocc. Laramate. Highlands, Peru View
I0238 Lauricocha, Peru 8,600 Years Ago 7000 BCE Lauricocha. Highlands, Peru View
I1485 Laramate, Peru 900 Years Ago 790 CE Cueva Yacotogia. Laramate. Highlands, Peru View
I1742 Laramate, Peru 900 Years Ago 750 CE Tranca. Laramate. Highlands, Peru View
I0237 Laramate, Peru 900 Years Ago 1030 CE Botigiriayocc. Laramate. Highlands, Peru View
I0038 Lauricocha, Peru 8,600 Years Ago 6780 BCE Lauricocha. Highlands, Peru View
I0308 Arroyo Seco 2 Site 7700 Years Ago 5620 BCE Arroyo Seco II, Argentina View
I2230 Arroyo Seco 2 Site 7700 Years Ago 7010 BCE Arroyo Seco II, Argentina View
I2232 Arroyo Seco 2 Site 7700 Years Ago 6570 BCE Arroyo Seco II, Argentina View
I2261 La Galgada, Peru 4,100 Years Ago 2280 BCE La Galgada. Highlands, Peru View
I2537 Pica Ocho Site, Chile 700 Years Ago 1230 CE Pica Ocho. Coast, Chile View
I2551 Laramate, Peru 900 Years Ago 1040 CE Huayuncalla. Laramate. Highlands, Peru View
I1752 Conchali, Chile 700 Years Ago 1300 CE Conchalí. Santiago. RM, Chile View
I1753 Los Rieles Site, Chile 5,100 Years Ago 3360 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
I1754 Conchali, Chile 700 Years Ago 1040 CE Conchalí. Santiago. RM, Chile View
Lapa14 Lapa do Santo Site, Brazil 9,600 Years Ago 7600 BCE Lapa do Santo, Brazil View
Lapa01 Lapa do Santo Site, Brazil 9,600 Years Ago 8210 BCE Lapa do Santo, Brazil View
Lapa22 Lapa do Santo Site, Brazil 9,600 Years Ago 8250 BCE Lapa do Santo, Brazil View
Lapa15 Lapa do Santo Site, Brazil 9,600 Years Ago 7730 BCE Lapa do Santo, Brazil View
Lapa05 Lapa do Santo Site, Brazil 9,600 Years Ago 8250 BCE Lapa do Santo, Brazil View
Cuncaicha15-07 Cuncaicha, Peru 9,000 Years Ago 7290 BCE Cuncaicha. Highlands, Peru View
Cuncaicha15-03 Cuncaicha, Peru 4,200 Years Ago 2300 BCE Cuncaicha. Highlands, Peru View
I5456 Saki Tzul Site, Belize 7,400 Years Ago 5490 BCE Saki Tzul, Belize View
I5457 Saki Tzul Site, Belize 7,400 Years Ago 5513 BCE Saki Tzul, Belize View
I7088 Arroyo Seco 2 Site 7400 Years Ago 5620 BCE Arroyo Seco II, Argentina View
I7086 Arroyo Seco 2 Site 7700 Years Ago 5975 BCE Arroyo Seco II, Argentina View
I7090 Arroyo Seco 2 Site 7200 Years Ago 5462 BCE Arroyo Seco II, Argentina View
I8348 Laguna Chica Site 6800 Years Ago 5010 BCE Pampas. Laguna Chica, Argentina View
I8349 Laguna Chica Site 6800 Years Ago 4830 BCE Pampas. Laguna Chica, Argentina View
Cuncaicha15-04 Cuncaicha, Peru 3,300 Years Ago 1431 BCE Cuncaicha. Highlands, Peru View
LAR001 Laranjal Site, Brazil 6,700 Years Ago 4710 BCE Laranjal, Brazil View
LAR002 Laranjal Site, Brazil 6,700 Years Ago 4950 BCE Laranjal, Brazil View
MOS001 Moraes Site, Brazil 5,800 Years Ago 3960 BCE Moraes, Brazil View
I11974 Los Rieles Site, Chile 12,000 Years Ago 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
Lapa24 Lapa do Santo Site, Brazil 9,600 Years Ago 7460 BCE Lapa do Santo, Brazil View
Lapa25 Lapa do Santo Site, Brazil 9,600 Years Ago 7720 BCE Lapa do Santo, Brazil View
I9058 Jabuticabeira 2 Site, Brazil 2,000 Years Ago 410 BCE Jabuticabeira Shell Midden II, Brazil View
I9054 Jabuticabeira 2 Site, Brazil 2,000 Years Ago 90 BCE Jabuticabeira Shell Midden II, Brazil View
I9056 Jabuticabeira 2 Site, Brazil 2,000 Years Ago 670 CE Jabuticabeira Shell Midden II, Brazil View
I9055 Jabuticabeira 2 Site, Brazil 2,000 Years Ago 40 BCE Jabuticabeira Shell Midden II, Brazil View
I9057 Jabuticabeira 2 Site, Brazil 2,000 Years Ago 390 BCE Jabuticabeira Shell Midden II, Brazil View
I3443 Mayahak Cab Pek Site, Belize 9,300 Years Ago 7472 BCE Mayahak Cab Pek, Belize View
I8350 Laguna Chica Site 6800 Years Ago 7000 BCE Pampas. Laguna Chica, Argentina View
I9056 670 CE Jabuticabeira Shell Midden II, Brazil View
I9057 390 BCE Jabuticabeira Shell Midden II, Brazil View
I9054 90 BCE Jabuticabeira Shell Midden II, Brazil View
I9055 40 BCE Jabuticabeira Shell Midden II, Brazil View
Lapa24 7460 BCE Lapa do Santo, Brazil View
Lapa25 7720 BCE Lapa do Santo, Brazil View
I11974 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
I11974 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
I9058 410 BCE Jabuticabeira Shell Midden II, Brazil View
I3443 7472 BCE Mayahak Cab Pek, Belize View
I11974 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
I8350 7000 BCE Pampas. Laguna Chica, Argentina View
I11974 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
I11974 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
I11974 10420 BCE Coquimbo. Los Vilos. Los Rieles, Chile View
Sample ID Culture/Period Date Location Action
I8348 Laguna Chica Site 6800 Years Ago 5010 BCE Pampas. Laguna Chica, Argentina View
I8349 Laguna Chica Site 6800 Years Ago 4830 BCE Pampas. Laguna Chica, Argentina View
I8350 Laguna Chica Site 6800 Years Ago 7000 BCE Pampas. Laguna Chica, Argentina View
Sources

References

Scientific publications and genetic data that inform this profile.

Scientific Publication

Reconstructing the Deep Population History of Central and South America

Authors Posth C, Nakatsuka N, Lazaridis I, Skoglund P, Mallick S et al.
Abstract

We report genome-wide ancient DNA from 49 individuals forming four parallel time transects in Belize, Brazil, the Central Andes, and the Southern Cone, each dating to at least ∼9,000 years ago. The common ancestral population radiated rapidly from just one of the two early branches that contributed to Native Americans today. We document two previously unappreciated streams of gene flow between North and South America. One affected the Central Andes by ∼4,200 years ago, while the other explains an affinity between the oldest North American genome associated with the Clovis culture and the oldest Central and South Americans from Chile, Brazil, and Belize. However, this was not the primary source for later South Americans, as the other ancient individuals derive from lineages without specific affinity to the Clovis-associated genome, suggesting a population replacement that began at least 9,000 years ago and was followed by substantial population continuity in multiple regions.

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