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Keywords: granitic gneissClose
Paper presented at the ISRM International Symposium - Rockstore 80, June 23–27, 1980
Paper Number: ISRM-Rockstore-1980-082
... plant, a 300 m deep test hole was drilled at Ontario Hydro's Darlington site approximately 65 km east of Toronto. The hydrofracturing method was used to determine the state of stress in the Paleozoic limestones (0-220 m depth) and the Precambrian granitic gneiss (220-300 m). The results of these...
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