Instead, they are studying the natural resonances of these rock formations- both the primary frequencies and the harmonics. By monitoring changes in their resonant frequencies over time ...
An important geological site and popular visitor attraction ... Trust to develop original work inspired by the "mysterious" rock formations. She will also hold nature writing workshops and said ...
According to a 2013 U.S. Geological Survey study, the basalt beneath Oregon and Washington could hold more than 14,000 ...