BlueRock Diamonds (AIM:BRD) – Q1 Production update highlights work towards higher throughput Cornish Metals* (AIM:CUSN) – Cuprite at United Downs IronRidge Resources* (AIM:IRR) – Additional high-grade intersections at Ewoyaa lithium project Kavango Resources (LON:KAV) – Electro-magnetic anomaly identified at KSZ project Mkango Resources* (LON:MKA) – Flotation pilot plant test-work completed Petra Diamonds (LON:PDL) –Q3 production and improving diamond market Rio Tinto (LON:RIO) – Q1 production performance maintains production guidance across all product groups Shanta Gold (AIM:SHG) – Drilling results expand the New Luika resource and drilling continues at the West Kenya project Zamare* (Private) – Zamare raises funds for further copper exploration in Zambia