Altair Minerals (ASX:ALR) has unveiled the assay results from its last round of drilling at its Wee MacGregor project. Spot surface sampling revealed grades of 32% copper and 5.5g/t gold in a “wide continuous channel sample” of 44m at 1.2% copper. A total of 14 rock chip samples and 21 channel samples were rounded up in the campaign with 18 of those coming back higher than 1% copper – with five of those samples higher than 15% copper. Nine samples returned grades higher than 1/gt gold. In Altair’s eyes, the data backs up its geotechs’ beliefs there could be a significant extension of mineralis…