TY - GEN AU - Bao,H AU - Thiemens,M H AU - Farquhar,J AU - Campbell,D A AU - Lee,C C AU - Heine,K AU - Loope,D B TI - Anomalous 17O compositions in massive sulphate deposits on the Earth SN - 0028-0836 PY - 2000///1028 KW - Africa KW - Barium Sulfate KW - analysis KW - Earth, Planet KW - Evolution, Planetary KW - Geologic Sediments KW - Meteoroids KW - Nebraska KW - Oxygen KW - chemistry KW - Oxygen Isotopes KW - Seawater KW - South Dakota KW - Sulfates KW - Volcanic Eruptions N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1038/35018052 ER -