Definition of Seatearths. Meaning of Seatearths. Synonyms of Seatearths

- a seatearth is the layer of sedimentary rock underlying a coal seam. Seatearths have also been called seat earth, "seat rock", or "seat stone" in the...
- found as seatearths within English Carboniferous coal measures. This term is now used for similar quartzose sandstones found typically as seatearths in the...
- some fire clays (especially flint clays) are mined at depth, found as a seatearth, the underclay ****ociated with coal measures. "Calciners and Dryers in...
- locations. The layer immediately underlying coal seams, often called either "seatearth" or "underclay", typically either consists of or contains a paleosol....
- Mynyddislwyn Seam east of the Taff valley), where it overlies mudstone seatearth at the top of the predominantly arenaceous Swansea Member in the Swansea...
- (Clackmannan Group) Thickness up to 940 m Lithology Primary mudstone, sandstone Other siltstone, coal, seatearth Location Region Scotland Extent Midland Valley...
- southwest to Knowbury and northeast beneath Catherton Common. It contains seatearths and coal seams which have been worked in the past. The lowermost and most...
- Billingley Seam. Swinton Pottery Seam A poor quality coal; however the seatearth underlying the coal was used for brick making. Newhill Seam A household...
- to 1600m Lithology Primary mudstone, sandstone Other siltstone, coal, seatearth Location Region northern England, English Midlands, north Wales Extent...
- to 1600m Lithology Primary mudstone, sandstone Other siltstone, coal, seatearth Location Region South Wales, southern England Extent across south Wales...