Sept 14 (Reuters) - Endeavour Silver Corp EDR.TO
* Endeavour Silver signs agreement to acquire exploration properties in Parral district, Chihuahua, Mexico from Silver Standard
* Says Endeavour will pay $6 million in Endeavour common shares, being 1,198,083 common shares at $5.008 per share
* Says in addition, Endeavour has committed to spend $2 million on exploration on two of properties
* Silver standard will also retain a 1% net smelter returns royalty on production from San Patricio and La Palmilla Properties Source text for Eikon: Further company coverage: EDR.TO