Web1 day ago · producing stratum is within 300 feet of the base of the coal seam, the mine operator shall properly place mechanical bridge plugs as described in section (b)(10) to isolate the hydrocarbon-producing stratum from the expanding cement plug. (12) The mine operator shall place a minimum of 400 feet of expanding cement below the coal seam, … WebThe meaning of STRATUM is a bed or layer artificially made. How to use stratum in a sentence. Did you know? Is strata singular or plural?: Usage Guide
Seam vs. Stratum the difference - CompareWords
Web19 Mar 2024 · The combined mining with steeply dipping seam in weakly cemented stratum causes the original stress in the upper strata to be nonlinearly superimposed on the mining disturbance stress. Web1) A stratum or seam of coal. The analogy is with the veins in the human body which are evidently different from the ‘material’ in which they are set. References to ‘vein’ in … portsmouth naval hospital barracks
Seam Definition & Meaning - Merriam-Webster
Web18 Jun 2024 · Seam noun. A thin stratum, especially of coal or mineral. Stratum noun. Any of the regions of the atmosphere, such as the stratosphere, that occur as layers. Seam … Web5 Apr 2024 · The result is, 89 that his whole body is usually coated over with a stratum of grease and filth, which has led to the belief that he regularly anoints himself—a custom common among many savage tribes. This, however, the Bushman does not do: the smearing toilet is merely occasional or accidental, and consists simply in the fat of whatever flesh … Web12 Apr 2024 · Noun [ edit] coal seam ( plural coal seams ) ( geology) A stratum of coal between strata of other rocks. quotations . 1961 November, “Talking of Trains: The subsidence problem”, in Trains Illustrated, page 651: Alternatively, the N.C.B. agrees to pay a percentage of the cost of any repairs or preventive work that ensues from working the ... or art 346