The Volcano (British Columbia) The Volcano being one of the three having erupted in the last few hundred years. Tseax Cone, which last erupted in the 18th century, is the southernmost volcano in the province, while Prindle Volcano in easternmost-central Alaska, which erupted more than 10,000 years ago, is generally considered the northernmost. At least two phases of volcanic activity have been identified at The Volcano. Each event was followed by the eruption of lengthy basaltic lava flows that flowed down steep granitic flanks of the mountain ridge on which The Volcano lies. After this took place, they travelled through the Lava Fork valley
Liquid chalk from magnesium carbonate, as compared to the more common powder chalk, which is calcium carbonate. Since liquid chalk does not leave a white residue, it is an environmentally friendly alternative. In four forms of climbing, liquid chalk may prove more useful than powdered chalk. "Many rock climbers prefer to use liquid over dry because of volume and weight. In the past, huge heavy chalk blocks had to be taken on climbs because so much was required to climb" In other sports, liquid chalk is less beneficial to the athlete, because re-chalking can be done more easily between sets or rounds.