Elephants in ancient China Elephants in ancient China The existence of elephants in ancient China is attested both by archaeological evidence and by depictions in Chinese artwork. Long thought to belong to an extinct subspecies of Asian elephants, named "Elephas maximus rubridens", they lived in Central and Southern China before the 14th century BC. They once occurred as far north as Anyang, Henan in northern China. The elephant is mentioned in the earliest received texts, including the "Shijing", "Liji", and "Zuozhuan." The oracle bone script and bronzeware script glyphs for elephant are pictographic depictions of an animal with a long trunk. Their modern descendant
Extinct radionuclide long half-lives. A partial list of radionuclides not found on Earth, but for which decay products are present: Notable isotopes with shorter lives still being produced on Earth include: Radioisotopes with half-lives shorter than one million years are also produced: for example, carbon-14 by cosmic ray production in the atmosphere (half-life 5730 years). Extinct radionuclide An extinct radionuclide is a radionuclide that was formed by nucleosynthesis before the formation of the Solar System, about 4.6 billion years ago, and incorporated into it, but has since decayed to virtually zero abundance, due to having a half-life shorter than about 100 million