Noun:

ਹੇਠਾਂ ਰੱਖੀ ਵਸਤੂ,

underclay's Usage Examples:

immediately underlying coal seams, often called either "seatearth" or "underclay", typically either consists of or contains a paleosol.

Just as not all underclays are fireclays, not all fireclays are underclays.

(especially flint clays) are mined at depth, found as a seatearth, the underclay associated with coal measures.

Thin coal seam with underclay pervasively churned by roots as cored from the Lower Cretaceous (Berriasian to lower Valanginian) Hibernia Formation at.

of different names, such as underclay, fireclay, flint clay, and ganister can be applied to a specific seatearth.

5 to 4 meter) underclay found immediately below the coal.

5) coal bed or at the bottom of the underclay or shale bed below this coal measure.

number of different names, such as underclay, fireclay, flint clay, and ganister can be applied to a specific seatearth.