Sentence examples for major sequence boundaries from inspiring English sources
Based on single-channel 2D seismic reflection data, six seismic units (A-F) are revealed, separated by major sequence boundaries.
The average duration of deposition of the major (third-order) sequences is estimated as 67 102 ka on the up-dip shelf and increases down dip, while the average duration of the major sequence boundaries (SB) is estimated as 831 1066 ka and decreases down dip.
Based on the existence of a) subaerial exposure evidences and early diagenetic overprints; b) stratal relationships (onlap, offlap, toplap) regarding underlying and overlying sequences, and c) changes in the vertical facies evolution, the depositional sequence was bounded by two major sequence boundaries.
Five major sea-level falls (30 to 100 m) possibly correlate to sequence boundaries identified in other palaeotectonic/palaeogeographic settings, and are interpreted as resulting from glacio-eustatism or, alternatively, an unknown mechanism.
359 sites and positions of sequence boundaries.
Sequence boundaries of interest were also picked between these MFSs.
The exact domain sequence boundaries are still subject to dispute.
By sequence alignment to structurally characterized domains, the sequence boundaries of the KR and DH were determined.
Deeper sequence comparison confirms conservation also in splice junction sequence boundaries.
The underlying marine Dandot Formation is terminated by a major unconformity that represents a type-I sequence boundary associated with a regional relative sea-level fall and a significant regression of the Tethyan shoreline.
