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
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
- 01Function and labor organization
- 02Construction technique
Theories
- 01Territorial marker
- 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
c. 2600 BCE
Initial construction / foundation
c. 1065 BCE
Major refurbishment / second phase
1956
Modern rediscovery and excavation
c. 1546 CE
Abandonment
On the ground
Structures & features
9.4700° S · 78.1900° W · 100 m · 4 mapped features
- Main Pyramid CorepyramidMain Pyramid Core at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — pyramid with stratified deposits9.4713° S · 78.1876° W
- Mortuary ChapelchapelMortuary Chapel at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — chapel with stratified deposits9.4715° S · 78.1893° W
- Causeway SegmentcausewayCauseway Segment at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — causeway with stratified deposits9.4684° S · 78.1885° W
- Subsidiary ShaftshaftSubsidiary Shaft at Sechín Bajo — Ancillary Plaza North (Casma, Norte Chico) — shaft with stratified deposits9.4696° S · 78.1919° W