Remember the JORC inferred resources for Corachapi is 9.2mlbs at 3300ppm.
While most of todays results are in the range of 51ppm to 472ppm. Forget about the 2m higher grade, without it, there is no 50m of 200ppm.
It's your call.
It switched from high grade heap leach potential to a low grade large tonnage bulk mining.