July 21 (Reuters) - Koza Altin Isletmeleri AS KOZAL.IS :
* Says unit Koza Ltd cancels JV agreement
* Says also cancels buy of 19.31 percent of Medgold
Resources with mutual agreement
* Deal was for gold and silver prospecting in Portugal on
Medgold Resources sites
Source text for Eikon: ID:nIKAy1lBja
Further company coverage: KOZAL.IS
(Gdynia Newsroom)