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|Geologic conditions in eight northern operating sections of Jane Mine, Keystone Coal Mining Complex. Armstrong County, Pennsylvania are defined by utilizing drillhole data and underground geologic mapping. Three of the eight sections are experiencing difficult mining conditions in the Shelocta "0" coal seam (formerly the Lower Freeport). The five remaining productive sections will exhaust their reserves within one year. Coordinating mine planning with future production levels is aided by indicating areas that appear favorable and lack the geologic conditions that cause difficult mining. Roof rock 1 ithologies, lithologic variations in and below the floor, jointing, overburden thickness, coal splits, paleochannels. and clay veins are the principal geologic factors believed to influence mining conditions in Jane Mine. Careful definition of each cause allows for a reasonable assessment of future mining conditions.|
Additional chapters/articles from the SME-ICGCM book Proceedings 6th International Conference on Ground Control in Mining (ICGCM) 6th
|Microseismic Monitoring of Mountain Bumps and Bounces: A Cas||Factors Influencing the Occurrence of Coal Pillar Bumps at||Longwall Pace Bursts and Inadequate Caving: A Came Study||Mine Layout Deign for Coal Bump Control||The Strong Outbursts of Coal and Gas in Coal Mines in China||Bock Bursts Occurrence. in the Coeur D'Alene Mining Dis||A History of Bock Burst Research in the Coeur D'Alene M||Chemical Destressing to Alleviate Rockbursts||Rockburst Control Measures at INCO's Creighton Mine||Prevention. Control and Management of Coal and Gas Outbursts||Application in Design for Close Proximity Multi-Seem Mining||Geologic Conditions Affecting Mineability in the Jane Mine.||Analysis of Cutter Roof Using the Boundary Element Method||A Novel Ground Control Program at Plateau Mining Company||Evaluation of Anchorage Integrity for Grouted Bolts in Weak||STRATA III ? A Full-Spectrum Roof Control Concept||Study of Ground Movement Over a Longwall Mine||Field Measurements of Overburden and Chain Pillar Response t||A Method for Sizing Longwall Pillars Based on Field Measurem||Aspects of Chain Pillar Design in Relation to Longwall Minin||The Initial Collapse of the Overburden Over Longwall Panels||Monitoring and Prediction of Ground Movements Above Undergro||Mechanisms of Chimney Subsidence Over Abandoned Coal Mines||Time-dependent Behavior of Immediate Weak Floor Strata from||The Significance of Specimen Stiffness and Post Yield Charac||Frictional Properties of Rock Applied to Mining Excavations||Ice Pillars, Packwalls, and Brattices||Investigation of Subsidence Over AML: A Case Study||Deign of Support System for Mining Tunnels in Carboniferous||Support of Tunnels in South African Gold Mines||The Stress Measurement and Underground Engineering||Field Measurements Of Overburden And Chain Pillar Response T|