May 23 (Reuters) - Millennial Lithium Corp ML.V
* Millennial enters into property option agreement to joint venture up to 80% Pocitos West Project
* Liberty will pay Millennial aggregate cash consideration of US$5.5 million
* Liberty will incur an aggregate of $1 million of staged expenditures to earn a 70% interest in property Source text for Eikon: Further company coverage: ML.V