Publisher's Synopsis
Excerpt from The Pleistocene Volcanoes of the Coast Range of British Columbia
Red Mountain is much smaller than Garibaldi. Its cone in itself has an altitude of about feet, and a total height above sea-level of feet. It stands on the edge of what was at one time the upper valley of Stony Creek. Or the glacier corresponding to it. And is now the valley of Garibaldi Lake. The cone rests partly on the eroded surface of Miocene f?) lavas and partly on granite of the Coast batho lith. These underlying rocks take the form of a basin or caldera. In which the volcano stands. And which it nearly fills. The western side of the depression is a cliff of granite. Which curves around that side of the cone through a considerable are. In addition to this. There is. On the north-eastern side of the mountain. A rather remarkable remnant of a large lava-flow. It once ?owed down into the valley of Garibaldi Lake. Where its lower part seems to have been cut away by the glacier or stream which then occupied the valley. Its upper part is also trun cared and presents a rugged cliff. Facing the cone. This might also he cen-ridered as part of the rim of the caldera. The pinnacle of Miocene lava which rises on the eastern side of the cone. Can be accounted for in the same way. As a remaining part of the ring of an ancient caldera.
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