This manuscript describes the oldest model of the Earth's plate mantle system (back to 1000 million years ago), which allows visualising the "beating heart" of the Earth through time, across two supercontinent cycles. The model not only appeals to the geodynamic fascination, but would also enable spatio-temporal data analysis to discover past geodynamic environments which could for example host critical mineral deposits. An accompanying animation visualises the history of subduction and deep mantle upwellings with reconstructed continents overlain.