Coricancha curved andesite wall with vitrified joints and L-blocks. Curved outer wall made of tightly fitted andesite blocks over 1 meter tall Blocks interlock along multi-angled zigzagging joints, some appear fused or vitrified Convex block faces concentrate pressure at edges for enhanced grip

Coricancha's curved wall features tightly fitted stone blocks. Doorways show trapezoidal design. Researchers note seismically sound construction techniques in Inca architecture. ⚒️🗿

Key Facts

  • Curved outer wall made of tightly fitted andesite blocks over 1 meter tall
  • Blocks interlock along multi-angled zigzagging joints, some appear fused or vitrified
  • Convex block faces concentrate pressure at edges for enhanced grip
  • Square knobs with precise right angles found on mirrored sides of window alcoves
  • Trapezoidal doorways and niches measure exactly 86° at bottom, 90° at top
  • Same 86-degree measurements found at Ollantaytambo 70 km away
  • Tiny perfectly shaped stress-relief stones inserted between massive blocks, similar technique found at Easter Island, Egypt's Osiran, and Osaka Castle
  • L-shaped cornerstones wrap around wall edges as single blocks
  • Golden Altar star map depicts constellations with Inca mythological associations
  • Spanish stripped gold plating and looted temple in 1530s, built Sto. Domingo convent over ruins

Related site: Coricancha — view location, images, and history on the Ancient Nerds map.