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Portrait reconstruction of I12394
Ancient Individual

A woman buried in Kenya in the Africa East Pastoralist era

I12394
431 BCE - 542 BCE
Female
Pastoral Neolithic Elmenteitan in Kenya
Kenya
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I12394

Date Range

431 BCE - 542 BCE

Biological Sex

Female

mtDNA Haplogroup

K1-a

Cultural Period

Pastoral Neolithic Elmenteitan in Kenya

Chapter II

Place

Where this individual was discovered

Country Kenya
Locality Nakuru. Keringet Cave. GrJg4
Coordinates -0.3580, 35.6990
Chapter III

Time

When this individual lived in the broader context of human history

I12394 431 BCE - 542 BCE
Chapter IV

Story

The narrative of this ancient life

The Pastoral Neolithic period in East Africa, particularly represented by the Elmenteitan culture in Kenya, is a fascinating era that dates roughly from 3000 BCE to 1200 CE. This period marks a significant transformation in human societies in the region, driven primarily by the adoption of pastoralism — the herding and management of livestock.

Geographic Context

The Elmenteitan culture is named after Lake Elmenteita in Kenya's Great Rift Valley, where prominent archaeological sites have been discovered. The Great Rift Valley provided a unique environment with its varied landscapes, including highland plains, savanna grasslands, and volcanic soils ideal for grazing. This region fostered an environment where pastoral communities could thrive due to the availability of pastures and water sources that were essential for livestock herding.

Cultural Characteristics

Livestock and Economy:
The Elmenteitan culture is best known for its reliance on cattle herding, although sheep and goats also played a vital role in their subsistence strategies. Cattle were not just a food source but also a measure of wealth and social status. The economy was primarily pastoral, with a supplemental reliance on hunting and foraging, helping communities to adapt to environmental uncertainties.

Settlement Patterns:
Elmenteitan communities were semi-nomadic, moving according to the seasonal availability of grazing and water resources. They established temporary homesteads that consisted of lightweight, transportable structures. The evidence from sites such as the Elmenteitan Obsidian Quarry in the Central Rift Valley showcases that they were skilled in crafting and utilizing obsidian tools, which were crucial for hunting and domestic activities.

Material Culture:
One of the distinctive features of the Elmenteitan culture is their pottery. Characterized by a high level of craftsmanship, Elmenteitan pottery is finely made with thin walls and decorated with intricate patterns. These ceramics were likely used for storage, cooking, and ceremonial purposes.

Technology and Tools:
The Elmenteitan people excelled in stone tool technology, particularly in the use of obsidian, a naturally occurring volcanic glass. They produced a variety of tools, including blades, points, and scrapers, signifying their proficiency in hunting and processing animal products. The trade and use of obsidian also suggest that they engaged in long-distance exchange networks, connecting them with other contemporary communities.

Social Organization and Rituals:
There is evidence to suggest that the Elmenteitan society was organized along clan or lineage lines, with cattle playing a central role in social, economic, and ritual life. Rituals involving cattle likely played a part in maintaining social cohesion and asserting cultural identity. Burial practices varied but often included the use of cairns (stone piles), indicating a belief system with particular views of life and death.

Archaeological Studies and Findings

Extensive archaeological research, including excavations and material analyses, has provided insights into Elmenteitan life. Sites such as Ngamuriak have yielded crucial data about their economy, social organization, and interaction with neighboring cultures. Tools and ceramics recovered from these sites reveal both utilitarian and decorative aspects of Elmenteitan life.

Interactions and Legacy

The Elmenteitan culture did not exist in isolation; it interacted with neighboring groups such as the pastoral Savanna Pastoral Neolithic. These interactions influenced their technological and cultural exchanges. The Elmenteitan people are an exemplar of the transition from hunting and gathering to a fully pastoral way of life in the region. Their legacies continue to be studied for insights into the adaptation strategies of early pastoralists in Eastern Africa, contributing substantially to our understanding of prehistoric human societies and their adaptations to environmental changes.

Overall, the Pastoral Neolithic Elmenteitan culture is a key component of East Africa's ancient history, reflecting the dynamic interplay of environment, culture, and technology in shaping human societies.

Chapter V

Genetics

The genetic ancestry of this ancient individual

Ancient Genetic Admixture

This analysis compares the DNA profile of I12394 with ancient reference populations, showing the genetic composition in terms of prehistoric ancestral groups.

Ancient Africans 47.3%
Neolithic Farmers 45.4%
Western Steppe Pastoralists 4.3%
Ancient Asians 3.1%

Modern Genetic Admixture

This analysis compares the DNA profile with present-day reference populations, showing what percentage of genetic makeup resembles modern populations from different regions.

Africa 83.0%
Northern East African 56.9%
Ethiopian 43.2%
Eastern African 13.7%
North African 13.2%
North African 12.1%
Egyptian 1.1%
African Hunter-Gatherer 7.8%
African Hunter-Gatherer 7.8%
Congolese & Southern East African 4.3%
South East African 4.3%
West African 0.9%
Senegambian & Guinean 0.9%
Asia 16.4%
Arab, Egyptian & Levantine 14.1%
Arabian 10.4%
Levantine 3.7%
Northern Asian 1.2%
Mongolian 1.2%
Japanese & Korean 1.1%
Japanese 1.1%
Europe 0.7%
Southern European 0.7%
Sardinian 0.7%

Closest Modern Populations

These are the modern populations showing the closest statistical alignment to A woman buried in Kenya in the Africa East Pastoralist era, ranked by genetic distance. Lower distance values indicate closer statistical similarity.

1
Ethiopian Wolayta
2.8331
2
Ethiopian Oromo
2.9138
3
Somali
3.9358
4
Somali Kenya
4.1546
5
Rendille
5.4901
6
Sudan Arab Kababish
5.5827
7
Kaba
37.2579
Chapter VI

Context

Other ancient individuals connected to this sample

Sources

References

Scientific publications and genetic data

Scientific Publication

Ancient DNA reveals a multistep spread of the first herders into sub-Saharan Africa

Authors Prendergast ME, Lipson M, Sawchuk EA
Abstract

How food production first entered eastern Africa ~5000 years ago and the extent to which people moved with livestock is unclear. We present genome-wide data from 41 individuals associated with Later Stone Age, Pastoral Neolithic (PN), and Iron Age contexts in what are now Kenya and Tanzania to examine the genetic impacts of the spreads of herding and farming. Our results support a multiphase model in which admixture between northeastern African-related peoples and eastern African foragers formed multiple pastoralist groups, including a genetically homogeneous PN cluster. Additional admixture with northeastern and western African-related groups occurred by the Iron Age. These findings support several movements of food producers while rejecting models of minimal admixture with foragers and of genetic differentiation between makers of distinct PN artifacts.

G25 Coordinates

The G25 coordinates for sample I12394 can be used for detailed admixture analysis in our G25 Studio tool.

I12394,-0.29234758,0.09068266,-0.02257076,-0.06040436,0.00298858,-0.02909686,0.00029802,-0.00890498,0.10091414,-0.06454934,-0.00607136,-0.00364756,0.0027649,-0.0026107,0.02333812,-0.0119658,0.02242026,0.00819548,0.0019118,-0.00328424,0.00278386,0.00387402,-0.00325144,-0.00075416,-0.00287651
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