Results: 1 - 6 of 6
Dec 31, 1975
Earth Sciences Report
… … Coal-bearing strata are extensive … and 57th parallels. Three major coal-bearing stratigraphic zones … and reserve estimates. The total tonnage of deep coal in the …
Jun 30, 2007
Earth Sciences Report
… development and CO2 injection in coal strata to increase the … importance of CBM in the Ardley Coal Zone, associated with the … and fracture pattern, coal tonnage and gas-in-place estimation …
Jul 31, 1972
Open File Report
… of the metallic minerals and coal. The utilization of industrial … it represents a steady rise in tonnage production. The importance … industrial minerals (along with coal) eventually must inherit the …
Jul 14, 2020
… Chapter 33 - Coal Resources of the Western … and Depositional History of the Coal Measures Jurassic-Cretaceous … of electricity. Considerable tonnage is shipped abroad for use …
Dec 31, 1973
Open File Report
… siltstone and mudstone. Thin coal beds and laminae are also …
Jul 14, 2020
… other than oil, gas and coal, that are hosted by rocks of … By far the largest in both tonnage and value of production are … from oxidation of low-rank coal, are found extensively in …