Exploration and development microcap Pan Asia Metals Ltd (ASX:PAM) has seen its share price rise 2.47% on news it has acquired a high-grade copper project in Chile. The play – known as ‘Rosario’ – is located 10 kilometres north of the El Salvador copper mine in the country’s northern Chanaral Province, and PAM has entered into an exclusivity agreement to conduct due diligence there. Evidence from the project’s large collection of rock chips shows that average copper grade at the project is around 2.13%, but with some grades going beyond 5%. In addition, three prospective trends have been ident…