Tinka Drills 32 Metres Grading 9.6 % Zinc Within a Wider Interval of 107 Metres Grading 6.8 % Zinc in Ayawilca Step-out Hole https://www.newswire.ca/news-releases/tinka-drills-32-metres-grading-96--zinc-within-a-wider-interval-of-107-metres-grading-68--zinc-in-ayawilca-step-out-hole-683561661.html Tinka Resources Limited 07:00 ET