China (esp. Tibet, but also Xinjiang) and Mongolia have the largest reserves of uranium and thorium. Look at the map of geoneutrinos and subtract regions of act

China (esp. Tibet, but also Xinjiang) and Mongolia have the largest reserves of uranium and thorium. Look at the map of geoneutrinos and subtract regions of active nuclear reactors (e.g. France): https://en.wikipedia.org/wiki/Geoneutrino https://en.wikipedia.org/wiki/Geoneutrino