March 27 (Reuters) - Auroch Minerals Ltd AOU.AX
* Auroch acquires alcoutim copper zinc project Portugal
* A new joint venture to earn up to 75% of "Alcoutim project"
* Auroch to spend A$1.4 million to earn a 65% interest in alcoutim project
* Auroch will also have right, but not obligation, to earn a further 10% by spending a further about A$1.25 million Source text for Eikon: Further company coverage: AOU.AX