Sentence examples for a thick interval of from inspiring English sources
This ash bed and overlying tuffaceous sandstone, which serves as a useful marker bed (Figure 6), is overlain by a thick interval of siltstone (∼30 m).
Therefore, upward migration of HF fluid or brine would be controlled by natural vertical head gradients and would have to traverse a thick interval of low permeability bedrock in order to reach shallow groundwater.
The main parasequence building unit is comprised of very thick interval of marl or shale with thin morally limestone occasionally.
Fairly thick interval of clean sandstone (upper right) associated with occasional low-angle laminations (lower right) indicates typical shoreface sands.
Overlying this thick interval of siltstone is the uppermost interval of the upper member, which consists of alternating sandstone and mudstone beds with local conglomerate and lignite beds (Sections 3 5, 7, ECB-3, ECB-5 and GH-10).
Outer platform and slope deposits consist of an alternation of decametric thick intervals of lithified fine- to medium-grained packstone and wackestone with discrete chert layers.
Both peperite and sediment-infill volcanic breccia can occur along top contacts of thick intervals of felsic coherent and monomictic breccia facies.
A third 3-m-thick interval of planktonic foraminiferal pack- and grainstones with abundant Orbulina (Orbulina Limestone) occurs on top the Bryozoan Limestone (Figs. 3, 4e).
Above a 20 cm thick interval (70 50 cm) of fine to very fine-grained sand displaying rough scour and fill structures undulating with curved laminae filling tilted dark mud flakes.
Thicker groupings of foresets and thicker intervals of vertically stacked sandstone siltstone and mudstone laminations are interpreted as spring tide deposits whereas thinner groupings of foresets and thinner laminations record neap tides.
Physical stratigraphy and facies analysis on a 1700 m thick interval enabled us unraveling the hierarchical partitioning and internal arrangement of lobes from four units with different degree of topographic confinement.
