sweetptt: about oildsands. It just started...

来源: 于 2011-12-09 00:07:01 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Oil sands are located in three major areas in northeast Alberta underlying 140,200 square kilometres. The majority of this resource can only be developed using in situ (or in place) recovery. To date, about 602 square kilometres of land has been disturbed by oil sands mining activity.

http://www.oilsands.alberta.ca/resource.html