TND, OTCQBTTDF) said on Friday it has signed a definitive option agreement with Vital Battery Metals Inc, granting the latter the right to earn a 75% interest in the Corvo uranium project in Canada's eastern Athabasca Basin. Under the terms of the agreement, Vital Battery Metals can acquire the interest by making $225,000 in cash payments, issuing $725,000 worth of shares, and funding $4.5 million in exploration over three years. 