Elizabeth’s Reviews > The High Sierra: A Love Story > Status Update

Granite looms large which is silica, feldspar, hornblende. Quartz are crystals formed by slowing cooling underground Lake Tahoe is a mixture, I think, metamorphic.
LSD as medication changes brain chemistry, he says temporarily. Natives painted pictrographs and etched petroglyphs while on a psychedilic.
Glaciers formed basins which from in the High Sierra is due to freeze-thaw cycle of water and thinner ice.