- 沈: short for Shenyang Shen,a st ...
- 积: amass; store up; accumulate
- 地槽堆积柱: geosynclinal prism
- 沈积: deposition; sedimentary claysecondary clay sedimentation; sedimentation
- 沉积柱: sediment column; sedimentary column; sedimentary prism
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