Complex sentence: It owns 100% of the 38.5 million ounce gold, 214 million ounce silver (proven/probable reserves) Kerr-Sulphurates-Mitchell copper-gold-silver-molybdenum porphyry project in British Columbia.
Split into simpler sentences: It owns 100% of a 38.5 million ounce gold, 214 million ounce silver (proven/probable reserves) deposit known as Kerr-Sulphurates-Mitchell. KSM is a copper-gold-silver-molybdenum porphyry project in British Columbia.