?url_ver=Z39.88-2004&rft_id=Research+Contract+No%3A+2069%2F3&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fepisodesplatform.eu%2Feprints%2F2111%2F&rft.title=Microseismic+Monitoring+Work+in+the+Vinicity+of+Asfordby+Colliery+Including+the+Seismic+Mapping+of+the+Location+of+Mechanical+Failures+in+Overburden&rft.creator=Styles%2C+Peter&rft.creator=Toon%2C+Sam&rft.creator=Bryan-Jones%2C+Alistair&rft.subject=Collective+properties+of+seismicity&rft.subject=Leicesterhire&rft.subject=Underground+mining&rft.description=The+objectives+of+this+investigation+were+as+fallows%3A%0D%0A-+to+use+microseismic+energy+generated+by+rock+fracturing+to+map+the+caving+height+and+fracture+architecture+above+a+Longwall+coalface.%0D%0A-+to+determine+the+spatial+and+temporal+relationships+between+the+fractures+delineated+by+the+microearthquake+hypocentres+and+mining+activity+and+roof+control%2C+particularly+weighting+on+the+face%2C%0D%0A-+to+investigate+geological+controls+on+the+location+of+seismicity%2C%0D%0A-+to+attempt+to+determine+the+nature+of+the+fractures+forming+above+the+extracted+panel+and+assess+their+significance+for+roof+control+and+water+percolation+from+overlying+aquifers.%0D%0A%0D%0AThe+site+chosen+for+this+investigation+was+Asforby%2C+panel+101+because+of+the+lack+of+previous+mining%2C+complex+geology+and+the+overlying+Sherwood+Sandstone+aquifer.&rft.publisher=University+of+Liverpool&rft.date=1996&rft.type=Reports&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fepisodesplatform.eu%2Feprints%2F2111%2F1%2FResearch%2520Contract%25202069_3%2520Final%2520Report.pdf&rft.identifier=++Styles%2C+Peter+and+Toon%2C+Sam+and+Bryan-Jones%2C+Alistair++(1996)+Microseismic+Monitoring+Work+in+the+Vinicity+of+Asfordby+Colliery+Including+the+Seismic+Mapping+of+the+Location+of+Mechanical+Failures+in+Overburden.++Other.+University+of+Liverpool.+++++&rft.relation=Research+Contract+No%3A+2069%2F3