Oct 19 (Reuters) - Big North Graphite Corp NRT.V
* Announces signing of definitive agreement for acquisition of Duncan Kerr Cobalt Project and change of name to Cobaltech Mining Inc
* Big North will issue to trio 8.5 million common shares in capital of company at a deemed price of $0.15 per payment share
* Says will pay trio certain cash consideration which is payable over a period of 24 months from closing of acquisition Source text for Eikon: ID:nCNWC1cdba Further company coverage: NRT.V