Definition of Underclay. Meaning of Underclay. Synonyms of Underclay

Here you will find one or more explanations in English for the word Underclay. Also in the bottom left of the page several parts of wikipedia pages related to the word Underclay and, of course, Underclay synonyms and on the right images related to the word Underclay.

Definition of Underclay

Underclay
Underclay Un"der*clay`, n. (Geol.) A stratum of clay lying beneath a coal bed, often containing the roots of coal plants, especially the Stigmaria.

Meaning of Underclay from wikipedia

- of different names, such as underclay, fireclay, flint clay, and ganister, can be applied to a specific seatearth. Underclay is a seatearth composed of...
- (especially flint clays) are mined at depth, found as a seatearth, the underclay ****ociated with coal measures. "Calciners and Dryers in Mineral Industries"...
- Thin coal seam with underclay pervasively churned by roots as cored from the Lower Cretaceous (Berriasian to lower Valanginian) Hibernia Formation at...
- immediately underlying coal seams, often called either "seatearth" or "underclay", typically either consists of or contains a paleosol. Paleosols are soils...
- underbuild underburn underbury underbust underbusy underbuy undercarve underclay undercliff undercloth underclothes underclothing underclustering undercome...
- byproduct. Their primary source of clay was the 8 to 12 foot (2.5 to 4 meter) underclay found immediately below the coal. What Cheer Clay Products was organized...
- the bottom of Buck Mountain (no. 5) coal bed or at the bottom of the underclay or shale bed below this coal measure. Since this is the last bed deposited...
- correlate with the suspended sediment measurements and are thus attributed to underclay disturbances caused by mining, as do its elevated copper concentrations...
- of clay minerals; effects of heat on clay minerals; clay minerals in underclays, shales, limestones, sandstones, and lakes; clay minerals in soils and...