syneclise

English

syneclise (plural syneclises)

(geology) A large, shallow depression formed on a continental platform due to slow subsidence.
- 1983, R. L. Oliver, Antarctic Earth Science, page 196:
  In the Ronne syneclise the thickness of sedimentary cover reaches 13.5 km and the folded basement has a complex relief owing to block movements along faults of different rank.