superstratum

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It was composed of granite at the base and capped with horizontal strata of sandstone, some of the beds containing large water-worn pebbles, and the superstratum highly ferruginous.

From Journals of Australian Explorations by Gregory, Augustus Charles

The superstratum was very light, and brownish black, the remainder yellowish brown, the yellow tints as well as the stiffness increasing downwards. 

From Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries by Griffith, William

The soil is generally deep, more or less yellow, and somewhat clayey; the hollows having a thin superstratum of black mould. 

From Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries by Griffith, William

After a time the superstratum of rock, which is full of cracks and seams, is undermined and precipitated into the chasm below.

From The Falls of Niagara and Other Famous Cataracts by Holley, George W.

Several pools, supplied by springs coming from under the superstratum of sandstone, were passed during the day.

From Journals of Australian Explorations by Gregory, Augustus Charles