Definition of Onlap. Meaning of Onlap. Synonyms of Onlap

- Onlap or overlap is the geological phenomenon of successively wedge-shaped younger rock strata extending progressively further across an erosion surface...
- The Taghanic event (Taghanic unconformity, Taghanic crisis or Taghanic onlap) was an extinction event that occurred about 386 million years ago during...
- paraconformities are called diastems. A buttress unconformity also known as onlap unconformity, occurs when younger bedding is deposited against older strata...
- of reflections indicates the disappearance of bedding surfaces. Hence, onlap, down lap and top lap and other depositional features observed on surface...
- Cross-sectional diagrams illustrating the shift of sedimentary facies during transgression (onlap) and regression (offlap)...
- out significantly as it approaches the basin margins due to transgressive onlap. The Brushy Canyon Formation also contains small reef patches, ripple marks...
- marine facies are deposited over shallower facies, a succession called onlap. Regression is the situation in which a coastline moves in the direction...
- Cross-sectional diagrams illustrating the shift of sedimentary facies during transgression (onlap) and regression (offlap)...
- the interpretation of seismic profiles to determine the extent of coastal onlap in subsequently buried sedimentary basins. Murray-Wallace, C. V., & Woodroffe...
- onlap, and onlap of overlying strata". Similarly, a type 2 sequence boundary is "marked by subaerial exposure and a downward shift in coastal onlap landward...