TORONTO, June 18 (Reuters) - Osisko Mining's (OSK.TO: Quote, Profile, Research, Stock Buzz)shares leapt nearly 8 percent on higher than normal volumes onThursday, prompting the company to issue a statement saying itwas not aware of any reason for the activity.

The Canadian gold miner, which is developing the Malarticgold deposit in Quebec, issued the statement at the behest ofthe Investment Industry Regulatory Organization of Canada,which often requests such clarifications when stocks performunusually.

"Osisko is not aware of any material information of Osiskothat may be contributing to the recent increase in market priceand the level of trading activity of the common shares of thecompany," it said.

The 6.3-million-ounce Malartic deposit has been one of themost closely watched mining projects in Canada, prompting someanalysts to cite the company as a likely takeover target forgold majors looking to add to their portfolios.

Osisko stock rose 51 Canadian cents to C$7.02 on theToronto Stock Exchange on a volume of 11.8 million shares,about five times its normal volume. The stock was the secondmost active on the TSX on Thursday.

The company is moving an entire neighborhood in the smalltown of Malartic in order to build the mine, which it says willbe the largest open-pit gold operation in Canada when it opensin 2011.

In its statement, Osisko said it has C$440 million ($390million) in working capital. The company raised C$403 millionthrough an equity financing in February, led by Thomas WeiselPartners and BMO Nesbitt Burns.

($1=$1.13 Canadian)(Reporting by Cameron French; editing by Rob Wilson)