Sentences with phrase «tidal cycles later»
Several tidal cycles later, loose sediments had entombed them.
https://www.scientificamerican.com/ Not exact matches
It would be easy to dismiss this as the latest boomlet in an industry famous for its cycles, were it not for a demographic tidal wave — the so - called silver tsunami — that has already begun: The retirement of America's 76 million baby boomers.