Clouds of diesel smoke drifted and pooled and formed horizontal strata, like smog.

All around are the sandstone cliffs with their multi-coloured layers - these horizontal strata are a characteristic feature of the area.

And then an area lined with horizontal strata about a metre in thickness, making a steep - a very steep - ladder.

The plan was dropped, but the logic behind it - that Jerusalem can be parceled into horizontal strata - is very much alive.

Some of the horizontal strata were delicately thin; another was ten meters thick, a single band the color of mahogany.

As it was uplifted, the horizontal strata of the surrounding area, mainly consisting of muschelkalk, were tilted.

The hills west of the town consist of horizontal strata of sandstone covered with irregular pieces of basalt.

Clay-slate and limestone lie in nearly horizontal strata beneath them.

The Maya world was divided into three horizontal strata.

The falls are an example of river drainage regulated by stratigraphically-controlled springs, and also of a waterfall formed by undercutting of horizontal strata.