“‘Deep time’ is the chronology of the underland… Deep time is measured in units that humble the human instant: epochs and aeons, instead of minutes and years. Deep time is kept by stone, ice, stalactites, seabed sediments, and the drift of tectonic plates…” (p.15)
“When viewed in deep time, things come alive that seem inert… the world becomes eerily various and vibrant again. Ice breathes. Rock has tides. Mountains ebb and flow. Stone pulses. We live on a restless earth.” (p.16)