Jan 25 (Reuters) - Tychean Resources Ltd TYK.AX :
* Asx alert-heads of agreement signed for acquisition of blom diamonds-tyk.ax
* Binding HOA signed for acquisition of 74% interest in Blom Diamonds
* 68.5 million Tychean shares to be issued to Blom diamonds following transaction completion Source text for Eikon: Further company coverage: TYK.AX