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Portrait reconstruction of I7603
Ancient Individual

A man buried in Spain in the Copper Age era

I7603
3500 BCE - 2700 BCE
Male
Middle to Late Neolithic Spain
Spain
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I7603

Date Range

3500 BCE - 2700 BCE

Biological Sex

Male

mtDNA Haplogroup

K1a2b

Y-DNA Haplogroup

I-BY37398

Cultural Period

Middle to Late Neolithic Spain

Chapter II

Place

Where this individual was discovered

Country Spain
Locality Mandubi Zelaia
Coordinates 43.0858, -2.2512
Chapter III

Time

When this individual lived in the broader context of human history

I7603 3500 BCE - 2700 BCE
Chapter IV

Story

The narrative of this ancient life

The Middle to Late Neolithic period in Iberia, particularly in what is now modern-day Spain, spans approximately from 4500 to 2000 BCE. This era marks significant transformations in the ways societies lived, organized themselves, and interacted with their environment and each other. Here’s an extensive look into the culture and characteristics of Neolithic Spain during this time:

Agricultural Advancements and Settlements:

  1. Agriculture and Domestication:

    • The Middle to Late Neolithic period saw significant advancements in agricultural practices. Communities were predominantly agrarian, growing cereals such as wheat and barley and legumes like lentils and peas, which they rotated to maintain soil fertility. They also domesticated animals like sheep, goats, pigs, and cattle, which provided meat, milk, hides, and labor.
    • The introduction of the plow and improved tools facilitated more efficient farming, which allowed communities to support larger populations.
  2. Permanent Settlements:

    • As agricultural practices improved, people began to establish more permanent settlements, often located in fertile river valleys or coastal regions. These settlements varied in size, with some forming small hamlets and others larger villages.
    • Structures in these communities typically included rectangular or circular houses made of wood, stone, and adobe, with thatched or mud roofs. Some settlements also featured defensive walls or ditches.
  3. Site Complexity:

    • Towards the later Neolithic, some settlements grew into more complex sites with communal buildings and evidence of social stratification. This suggests the beginnings of leadership roles and the organization of labor and resources.

Social and Cultural Developments:

  1. Social Organization:

    • The societal structures were likely kinship-based, but evidence suggests increasing social differentiation as settlements grew. The differentiation in burial practices and grave goods implies that some individuals or groups held higher status within the community.
  2. Ceremonial and Religious Practices:

    • Megalithic structures, such as dolmens, passage graves, and menhirs, became prominent during this period. These served both as burial sites and ceremonial structures, indicating ritual practices tied to death, ancestors, and possibly celestial events.
    • Artifacts such as figurines, pottery with symbolic motifs, and carvings imply the existence of religious or spiritual beliefs. These symbols often revolved around fertility, life cycles, and communal identity.
  3. Artistic Expression:

    • Pottery from this period exhibits more complexity in design, with decorative motifs and increasingly sophisticated techniques. Painted, impressed, and incised decorations became common.
    • Rock art, particularly in cave sites across the Iberian Peninsula, displays scenes of daily life, hunting, and possibly religious or ceremonial depictions. This art provides insight into the symbolic and communicative aspects of Neolithic culture.

Technological and Economic Exchange:

  1. Tool Production:

    • Flint and obsidian were commonly used for making tools such as blades, scrapers, and arrowheads. The late Neolithic saw the introduction of polished stone axes, which improved efficiency in agriculture and woodland clearance.
    • Bone and antler were also used to craft tools, alongside the development of textile production technologies using plant fibers and animal hides.
  2. Trade and Interaction:

    • The Middle to Late Neolithic period witnessed increased exchange of goods, ideas, and cultural practices between communities. This interaction was facilitated by trading networks that extended across the Iberian Peninsula and into the broader Mediterranean region.
    • Items like obsidian, seashells, pigments, and distinctive pottery styles circulated, suggesting a dynamic network of exchange and communication.

Environmental and Climatic Conditions:

  1. Adaptation to Environment:

    • Neolithic populations effectively adapted to diverse Iberian landscapes, from coastal areas and river valleys to upland regions. This adaptability is reflected in their architecture, resource use, and settlement patterns.
    • The era saw periods of climatic fluctuation, necessitating adjustments in agricultural practices and settlement locations to ensure the sustainability of their communities.
  2. Environmental Impact:

    • The expansion of agriculture and settlement led to deforestation and landscape modifications. The clearing of land for fields and pastures had lasting impacts on the Iberian environment, some of which are still evident today.

In conclusion, the Middle to Late Neolithic era in Spain was a period of profound transformation. The advancements in agriculture, the establishment of permanent settlements, and the development of complex social and ritual structures laid the foundations for the subsequent Bronze Age civilizations on the Iberian Peninsula. This era reflects a shifting focus from the transient lifestyle of earlier hunter-gatherers to more stable, organized, and interdependent communities.

Chapter V

Genetics

The genetic ancestry of this ancient individual

Ancient Genetic Admixture

This analysis compares the DNA profile of I7603 with ancient reference populations, showing the genetic composition in terms of prehistoric ancestral groups.

Neolithic Farmers 54.1%
European Hunter-Gatherers 23.7%
Western Steppe Pastoralists 20.0%
Ancient Oceanians 2.3%

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.

Europe 99.7%
Southern European 91.8%
Iberian 54.6%
Sardinian 31.1%
Italian 6.1%
Northwestern European 7.9%
Northwestern European 5.5%
English 2.4%

Closest Modern Populations

These are the modern populations showing the closest statistical alignment to A man buried in Spain in the Copper Age era, ranked by genetic distance. Lower distance values indicate closer statistical similarity.

1
Spanish La Rioja
3.9413
2
Basque Soule
4.2348
3
Spanish Burgos
4.3181
4
Spanish Castilla La Mancha
4.3686
5
Spanish Navarra
4.3703
6
Spanish Pirineu
4.3769
7
Spanish Aragon
4.4008
8
Spanish Castello
4.4418
9
Basque Navarre Center
4.4439
10
Spanish Cantabria
4.4468
Chapter VI

Context

Other ancient individuals connected to this sample

Sources

References

Scientific publications and genetic data

Scientific Publication

The genomic history of the Iberian Peninsula over the past 8000 years

Authors Olalde I, Mallick S, Patterson N
Abstract

We assembled genome-wide data from 271 ancient Iberians, of whom 176 are from the largely unsampled period after 2000 BCE, thereby providing a high-resolution time transect of the Iberian Peninsula. We document high genetic substructure between northwestern and southeastern hunter-gatherers before the spread of farming. We reveal sporadic contacts between Iberia and North Africa by ~2500 BCE and, by ~2000 BCE, the replacement of 40% of Iberia's ancestry and nearly 100% of its Y-chromosomes by people with Steppe ancestry. We show that, in the Iron Age, Steppe ancestry had spread not only into Indo-European-speaking regions but also into non-Indo-European-speaking ones, and we reveal that present-day Basques are best described as a typical Iron Age population without the admixture events that later affected the rest of Iberia. Additionally, we document how, beginning at least in the Roman period, the ancestry of the peninsula was transformed by gene flow from North Africa and the eastern Mediterranean.

G25 Coordinates

The G25 coordinates for sample I7603 can be used for detailed admixture analysis in our G25 Studio tool.

I7603,0.12091884,0.15933036,0.03845902,-0.01864414,0.05677096,-0.01070568,-0.00148436,0.00665352,0.03490548,0.05700038,-0.0068981,0.0141116,-0.02485632,-0.0111514,0.00040012,0.00288008,-0.00248974,-0.00131038,-0.00128158,-0.00252186,0.00370738,0.00597334,-0.01170468,-0.0164907,0.00397748
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