Cornish Metals Inc reported better than expected results from metallurgical testwork on drill samples from the South Crofty tin project in Pool, Redruth. UPGRADING POTENTIAL TOMRA Sorting GmbH completed X-Ray transmission (XRT) ore sorting and Wardell Armstrong International conducted the heavy liquid separation (HLS) preconcentration testwork. XRT resulted in 55% mass rejection and <3% metal […]