Sentence examples for mainly of sandstone from inspiring English sources

Along the foot of the limestone Alps but particularly in the Allgäuer Alps in the west, the older Paleogene and Neogene deposits (flysch, molasse) were caught up in the later stages of the Alpine folding, forming a pre-Alpine belt of hills and low mountains consisting mainly of sandstone.

The studied reservoir consists mainly of sandstone with some intercalation of shale layers with varying thickness from one well to another.

In the studied well, Alam El Bueib Formation composed mainly of sandstone, siltstone, calcareous shale, limestone with some streaks of coal (Fig. 3).

Blocks are composed mainly of sandstone or oceanic material such as basalt or cherts, and the blocks are surrounded by a shale matrix (Figure 2A).

These areas are underlain by the Middle Voltain formation (Obossom and Oti beds), comprising mainly of sandstone, limestone, conglomerate, shale, arkose and mudstone.

Locating these structures, and determining the localities of maximum sedimentary thicknesses that consist mainly of sandstone, serves as a preliminary process in exploring the confined aquifer beneath the surface of the Abu-Rodaym area.

Molasse, thick association of continental and marine clastic sedimentary rocks that consists mainly of sandstones and shales formed as shore deposits.

They are mainly composed of sandstone lenses interbedded with finer-grained, tuffaceous, sheet-like strata.

The lower slopes of the mountain are mainly composed of sandstone and shale, transformed from marine sand and mud about 35 million years ago.

It is composed mainly of Nubian sandstone, which has weathered to undulating plains, in places extensively covered with sand.

It consists mainly of a sandstone plateau rising from a low, irregular coastline to a height of 810 feet (250 metres) in the southeast.