The Ottawa-Central showing is located north of Bold Point on Quadra Island. The geology of the area consists of granodiorites of the Coast Plutonic Complex within which is contained a northwest trending remnant of Upper Triassic Karmutsen Formation rocks. The showing is at the contact between limestone and volcanic rocks. A prospect hole was made, prior to 1922, which contained minor molybdenite in limestone. No assay values are reported.