An oxygen isotope temperature record from 381 to 166 kaB.P. ( 230 Th/ 234 U dating and tuned ages) has been obtained by combining data on the isotopic composition of calcites with that of fluid inclusions trapped in a...An oxygen isotope temperature record from 381 to 166 kaB.P. ( 230 Th/ 234 U dating and tuned ages) has been obtained by combining data on the isotopic composition of calcites with that of fluid inclusions trapped in a stalagmite from a limestone cave in which a fossil cranium deposited. Several laminae in microsequence of the stalagmite represent climatic events or shifts. The Nanjing man fossil was older than 381 kaB.P.展开更多
文摘An oxygen isotope temperature record from 381 to 166 kaB.P. ( 230 Th/ 234 U dating and tuned ages) has been obtained by combining data on the isotopic composition of calcites with that of fluid inclusions trapped in a stalagmite from a limestone cave in which a fossil cranium deposited. Several laminae in microsequence of the stalagmite represent climatic events or shifts. The Nanjing man fossil was older than 381 kaB.P.
