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Showing: 1 to 10 of 56 matches for "paonia shale"  Page   1   2   3   4   5   6 TITLE Load Loss From Rock-Bolt Anchor Creep  SUMMARY ... The mine is in the Paonia Shale Member of Upper Cretaceous age, which consists of shale, sandstone, and coal with a few thin,·bedded layers of limestone. ... AUTHOR Parsons, Edward W. PUBLISHED 1969 TITLE Western Coal--Constraints On Mining And Recoverability  SUMMARY ... Anschutz expects to mine only the "A" Seam of the Bowie Shale Member (No. 1 Mine) and the Anderson Seam of the Paonia Shale Member (No. 3 Kine). ... AUTHOR Palmer, James E. PUBLISHED 1981 TITLE Evaluation of Bearing Plates Installed on Full-Column Resin-Grouted Bolts  SUMMARY ... The upper coal (Paonia Shale) member is lithologically very similar to the lower coal member but is more lenticular. Up to 400 ft ... AUTHOR Tadolini, Stephen C. PUBLISHED 1986 TITLE Coal - Thermal Metamorphism and Ground Water Alteration of Coking Coal Near Paonia, Colorado  SUMMARY ... Creek, 15 miles north of Gunnison and about 25 miles from the Paonia district."," A ... 1 and 2. Thick sequences of metamorphosed shale in the northern half of the ... AUTHOR Johnson, Vard H. PUBLISHED 1953 TITLE Strippable Coal Resources Of Colorado - Location, Tonnage, And Characteristics Of Coal And Overburden  SUMMARY Page 1. Information Circular 8713 Strippable Coal Resources of Colorado Location, Tonnage, and Characteristics of Coal and Overburden By Charles N. Speltz ... AUTHOR Speltz, Charles N. PUBLISHED 1976 TITLE Roof Stability Studies In The Bear Mine, Somerset, Colorado; A Case History  SUMMARY ... However, most investigators do not use the term Williams Fork Formation in the Somerset-Paonia area. Also, the Bowie shale member identified by Lee, W. T., 1912 ... AUTHOR Stateham, Raymond M. ; Radcliffe, Daryl E. PUBLISHED 1982 TITLE Multislice Mining For Thick Western Coal Seams  SUMMARY ... In China, if the roof is argillaceous shale, and it consolidates in the presence of water, a recon- solidated roof for the next slice can form in 6 to 12 ... AUTHOR Hackett, T. D. PUBLISHED 1990 TITLE Three-Seam Stress Analyses at Bowie Mines, Colorado  SUMMARY ... from the Upper D and B Seams, located within the Somerset Coal Field, near Paonia, Colorado. ... Mudstone Shale Siltstone Sandstone Coal Bone coal No core Rubble ... AUTHOR Maleki, Hamid PUBLISHED 2007 TITLE 25th International Conference On Ground Control In Mining - Geology, Ground Control, And Mine Planning At Bowie Resources, Paonia, Co  SUMMARY ... Geologist Bowie Resources Paonia, CO, USA ... The bolters try to identify four different rock types (sandstone, siltstone, shale, and coal) from the degree of ... AUTHOR Stewart, Collin ; Hunt, Greg ; Mark, Christopher TITLE Effects of Time Between Exposure and Support on Mine Roof Stability, Bear Coal Mine, Somerset, Colo.  SUMMARY ... The Bear coal mine is located about 10 miles east of Paonia, Colo., and about 1 ... The C seam is part of the younger mesaverde coals in the Bowie shale member and ... AUTHOR Radcliffe, Daryl E. PUBLISHED 1978 Showing: 1 to 10 of 56 matches for "paonia shale"  Page   1   2   3   4   5   6 Search Again