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Portrait reconstruction of I1863
Ancient Individual

A man buried in Mexico in the Pre-Classic era

I1863
1000 BCE - 600 BCE
Male
Pre-Classic Mesoamerican
Mexico
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I1863

Date Range

1000 BCE - 600 BCE

Biological Sex

Male

mtDNA Haplogroup

C5b

Y-DNA Haplogroup

Q-YP4673

Cultural Period

Pre-Classic Mesoamerican

Chapter II

Place

Where this individual was discovered

Country Mexico
Locality Coyote Cave (Coahuila, Torreón)
Chapter III

Time

When this individual lived in the broader context of human history

I1863 1000 BCE - 600 BCE
Chapter IV

Story

The narrative of this ancient life

The Pre-Classic Mesoamerican era, often referred to as the Formative Period, spans approximately from 2000 BCE to 250 CE. This significant period in Mesoamerican history marks the development of complex societies and sets the groundwork for the classical civilizations that would follow, such as the Maya, Zapotec, and Teotihuacan. This era is characterized by the emergence of settled communities, the development of agriculture, the establishment of trade networks, and early forms of religious and political organization.

Geographic and Chronological Context

The Pre-Classic period encompasses various regions in Mesoamerica, including parts of modern-day Mexico, Guatemala, Belize, El Salvador, and Honduras. This era is traditionally divided into three phases: Early (2000–1000 BCE), Middle (1000–400 BCE), and Late Pre-Classic (400 BCE–250 CE).

Early Pre-Classic (2000–1000 BCE):

  • Agriculture and Subsistence: The early Pre-Classic period saw the domestication and widespread cultivation of staple crops such as maize, beans, squash, and chili peppers. Agriculture enabled the rise of sedentary communities and population growth.
  • Village Settlements: Small villages were established, characterized by simple structures made of perishable materials like wood and thatch. Settlements often formed near fertile floodplains and rivers, facilitating irrigation.

Middle Pre-Classic (1000–400 BCE):

  • Social Complexity: Social stratification became more pronounced during this phase. Some communities began to exhibit more complex social organizations with signs of emerging elite classes.
  • The Olmecs: Often called the \Mother Culture" of Mesoamerica, the Olmecs became a dominant cultural and political force during the Middle Pre-Classic. They are renowned for their colossal head sculptures, sophisticated art, and early hieroglyphic writing systems. The major Olmec centers were San Lorenzo and La Venta.

Late Pre-Classic (400 BCE–250 CE):

  • Urbanization and Trade: The growth of cities like Kaminaljuyu and Chalchuapa is notable. These cities maintained extensive trade networks that connected different Mesoamerican cultures, leading to an exchange of goods and ideas.
  • Monumental Architecture: Significant architectural achievements, such as pyramids and ceremonial platforms, emerged in the Late Pre-Classic. These constructions often served religious and political purposes and were centers of social life.
  • The Rise of the Maya: The Late Pre-Classic also saw the rise of early Maya centers such as El Mirador, with its massive temple complexes indicating advanced organizational capabilities.

Cultural and Societal Developments

  1. Religion and Cosmology:

    • Polytheistic religions flourished, focusing on deities related to agriculture, fertility, weather, and celestial bodies. Shamans and priests played crucial roles in spiritual and societal matters.
    • Rituals and ceremonies often took place in large, open plazas or atop pyramids, reinforcing the connection between the heavens and the earth.
  2. Art and Iconography:

    • Artworks, including pottery, sculptures, and jade carvings, often depicted religious themes, mythological creatures, and political leaders. Olmec art, particularly, is known for its sophistication and emphasis on monumental sculpture.
  3. Writing and Record Keeping:

    • The development of writing systems began during the Pre-Classic. Early forms of hieroglyphic writing have been found on monuments and pottery, signifying the importance of record-keeping and communication.
  4. Sociopolitical Structures:

    • Governance structures varied, with many societies exhibiting centralized leadership led by chiefs or early kings. Leadership was often intertwined with religious authority.
    • The construction of large-scale infrastructure suggests organized labor and a degree of centralized control over resources and human capital.
  5. Economic Activities:

    • Beyond agriculture, communities engaged in craft production and trade. The availability of resources like basalt, jade, and obsidian facilitated long-distance trade.
    • Markets likely existed, where goods such as pottery, textiles, and foodstuffs were exchanged, fostering economic interdependence among regions.

Legacy

The Pre-Classic period laid the foundational elements for the major Mesoamerican civilizations that followed. Many cultural practices, religious beliefs, and societal structures that began in this era continued to evolve into the Classic period (250–900 CE) and beyond. Understanding the Pre-Classic Mesoamerican era provides crucial insights into the roots of Mesoamerican civilization, highlighting the region’s early innovations and cultural diversity."

Chapter V

Context

Other ancient individuals connected to this sample

Sources

References

Scientific publications and genetic data

Scientific Publication

Genetic continuity and change among the Indigenous peoples of California

Authors Nakatsuka N, Holguin B, Sedig J
Abstract

Before the colonial period, California harboured more language variation than all of Europe, and linguistic and archaeological analyses have led to many hypotheses to explain this diversity1. We report genome-wide data from 79 ancient individuals from California and 40 ancient individuals from Northern Mexico dating to 7,400-200 years before present (BP). Our analyses document long-term genetic continuity between people living on the Northern Channel Islands of California and the adjacent Santa Barbara mainland coast from 7,400 years BP to modern Chumash groups represented by individuals who lived around 200 years BP. The distinctive genetic lineages that characterize present-day and ancient people from Northwest Mexico increased in frequency in Southern and Central California by 5,200 years BP, providing evidence for northward migrations that are candidates for spreading Uto-Aztecan languages before the dispersal of maize agriculture from Mexico2-4. Individuals from Baja California share more alleles with the earliest individual from Central California in the dataset than with later individuals from Central California, potentially reflecting an earlier linguistic substrate, whose impact on local ancestry was diluted by later migrations from inland regions1,5. After 1,600 years BP, ancient individuals from the Channel Islands lived in communities with effective sizes similar to those in pre-agricultural Caribbean and Patagonia, and smaller than those on the California mainland and in sampled regions of Mexico.

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