Physics
Scientific paper
May 1964
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1964gecoa..28..577n&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 28, Issue 5, pp.577-591
Physics
8
Scientific paper
34 S data are reported for 100 samples of evaporite sulphates from Germany. Normal Zechstein (Permian) evaporites give 34 S = +11.5 ± 1 %. which is expected to be the value for the Permian marine sulphate. Late evaporites within the different evaporation cycles are depleted in 34 S by about 2%.. This may be due to fractionation by diffusion between the layered solutions within the evaporation basin. Muschelkalk and Keuper (both Triassic) evaporites give +20.5 and +17.5%., Malm (Upper Jura) +17.5%., Oligocene (Tertiary) +12 ± 1%.. Regarding the influx of terrestrial sulphate into the evaporation basins we suggest the marine values to be: Muschelkalk +21%. Keuper +17.5%. (?). Malm between +18 and +19%. and Oligocene between +16 and + 17%. (??).
Nielsen Hans
Ricke Werner
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