Octava Minerals (ASX:OCT) has joined the rush of microcap explorers throwing their hat in the antimony ring following Chinese export curbs. That comes on the back of program of works application approvals from the WA mining department, greenlighting Octava’s geotechs to descend upon 4 separate priority antimony targets on-site. Rock chip sampling and general mapping fieldwork is underway at present with a drilling campaign planned for selected targets – fieldwork results willing – also addressed in the POW approval handed to Octava on Thursday. To that end, heritage negotiations are underway O…