The Chuckanut Mountains were formed by the folding of the Chuckanut Formation (which is predominantly made up of layers of 55-million-year-old sandstone, conglomerate, shale, and bituminous and sub-bituminous coal) and the later Huntingdon Formation (predominantly shale and sandstone) on top, as well as an exposed section of pre-Jurassic-age phyllite
Although Hemi-Sync seems to be rather rare and of only short duration in ordinary human consciousness, Melissa Jager states that: “Audio techniques developed by Bob Monroe can induce and sustain Hemi-sync with the Institute’s basic Focus 3 tapes,…”