BUZZ-Madagascar Oil: Milestone in Madagascar
** Oil explorer's shares more than doubles to 12.99 pence on receipt of development mining title for block in Madagascar
** Co says the Block 3104 Tsimiroro production sharing contract is first to enter into development phase in the country
** Stock poised for biggest intra-day gain ever and is top gainer on the FTSE Aim index in very heavy volumes (abhiram.nandakumar.thomsonreuters.com@reuters.net)