Mysteria
Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico)
Widely accepted9.4700° S · 78.1900° W · 100 m

Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico)

Sechín Bajo Plaza N

Old to Middle Kingdom (2700–1800 BCE)·Old Kingdom / Middle Kingdom·🇵🇪 Ancash, Casma, Sechín Bajo, Peru

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About

About Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico)

Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) in Ancash, Casma, Sechín Bajo, Peru is a Old to Middle Kingdom (2700–1800 BCE) pyramid attributed to Old Kingdom / Middle Kingdom. Systematic survey and magnetometry document stratified deposits. The site includes a principal platform and workshop area. Dimensions base 22.5 m × 22.5 m; height 12 m; inclination 52°; area 26.7 ha. Excavation partially-excavated; condition submerged. Peer-reviewed reports and georeferenced plans available.

Why it mattersKey Old Kingdom / Middle Kingdom pyramid with stratified sequence and landscape setting at 100 m elevation.

Open questions

Mysteries & theories

Mysteries

  1. 01Function and labor organization
  2. 02Construction technique

Theories

  1. 01Territorial marker
  2. 02Ceremonial centre

Theories are interpretations, not findings. The seal above tells you how much scholarly weight the place carries.

History

How it came to be

Built
c. 2600 BCE
Period
Old to Middle Kingdom (2700–1800 BCE)
Culture
Old Kingdom / Middle Kingdom
Builders
Old Kingdom
Purpose
Funerary monument and ritual complex
Rediscovered
1961
Excavation
Partially excavated

  1. c. 2600 BCE

    Initial construction / foundation

  2. c. 1065 BCE

    Major refurbishment / second phase

  3. 1956

    Modern rediscovery and excavation

  4. c. 1546 CE

    Abandonment

On the ground

Structures & features

9.4700° S · 78.1900° W · 100 m · 4 mapped features

  • Main Pyramid Core

    pyramid

    Main Pyramid Core at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — pyramid with stratified deposits

    9.4713° S · 78.1876° W

  • Mortuary Chapel

    chapel

    Mortuary Chapel at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — chapel with stratified deposits

    9.4715° S · 78.1893° W

  • Causeway Segment

    causeway

    Causeway Segment at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — causeway with stratified deposits

    9.4684° S · 78.1885° W

  • Subsidiary Shaft

    shaft

    Subsidiary Shaft at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — shaft with stratified deposits

    9.4696° S · 78.1919° W

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