Sentence examples for by a sequence boundary from inspiring English sources

Both sequences are separated by a sequence boundary, but its location and age in the stratigraphic record differs depending on the authors and the Basin considered.

The sea level fell by the Early Maastrichtian, as characterized by a sequence boundary of type SBT2.

From sequence stratigraphic relationship the pinch out is predicted to have arised from a high stand system tract being bounded by a sequence boundary at the top and a maximum flooding surface at the base.

Finally, the highstand systems tract (HST) is bounded below by the maximum flooding surface and above by a sequence boundary, and consists of aggrading or prograding parasequence stacking patterns (Van Wagoner et al. 1990; Posamentier and Allen 1999).

The lowstand systems tract (LST) is identified to be bounded below by a sequence boundary and above by an initial flooding surface, and contains progradational or aggradational parasequence stacking patterns.

The aggradational stacking pattern changes to a progradational stacking pattern and mostly indicates a late highstand system tract capped by a sequence boundary of type 2. Accordingly, the second fourth order of the Early Maastrichtian age points to a shallowing upwards cycle that is manifested by the predominance of Bolivinoides benthonic foraminifera within a more limestone porn parasequence.

This surface (SB1) is interpreted as a sequence boundary formed by subaerial processes during the Late Pleistocene sea-level fall and subsequent marine reworking during transgression.

In fission yeast, the CENP-ACnp1 chromatin core and heterochromatic pericentromeric repeats are separated by a defined sequence boundary [18].

Each sequence is bounded by a type-1 sequence boundary, and contains a basal fluvio-marine portion representing the transgressive systems tract, which is succeeded by shoreface and foreshore deposits of the highstand systems tract.

The thickness of HST facies changes from 1 to 13 m and the upper part of this sequence is bounded by a type 2 sequence boundary.

The DNA excess should select for preferred histone octamer binding sequences in the absence of epigenetic factors and minimize the possibility that a nucleosome positioned by sequence does not serve to position adjacent nucleosomes by a sequence-independent boundary effect.