Astro Resources NL :Market Update Acquisition Of Georgina Basin Proj & Placement.Agreed With Greenvale Mining Ltd Definitive Legal Documents For Aro'S Acquisition Of 80% Of Shares In Knox Resources.Continues To Work On Proposed Spin-Off Of Its East Kimberly Diamond Project.Unit Argyle Resources Ltd Expected To Be Spin-Off Vehicle That Will List On Asx.Co Has Entered Into A Non-Binding Letter Of Intent With Luna Lithium Limited (Luna) To Form A Jv Entity Galactic Lithium.Expected Minimum Amount Sought To Be Raised Under Placement To Reduce From A$2.25 Million To A$1.75 Million.