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- W1963537103 abstract "Some months ago in an inquiry into the possible cause of the precipitation of peroxide of manganese in the dark stains seen in some sandstones, and typically at Newton in the U.O.R. division of the Elgin sandstones, I was surprised to find that in addition to the oxide of manganese these stained areas showed notable traces of copper as well as of nickel and cobalt. Other small nodules occurring in a Triassic sandstone overlying the Rosebrae division of the U.O.R. rocks near the Old Hospital Quarry were found to contain, in association with a relatively greater proportion of the manganese oxide, very much larger proportions of the bases indicated—CuO ·12%, oxides of nickel and cobalt ·69%, with the addition of 1·68% of lead calculated as PbO2 or PbS. As these occurrences were ascribed to secondary local infiltration it was naturally inferred that the surrounding sandstones would if examined probably also show traces of the same metals. Accordingly determinations of the amount of copper oxide, and also of the nickel and cobalt oxides conjointly in a series of specimens (sixteen in all), ranging in time from the L.O.R. of Tarradale, Culloden, and Spey Bridge through the U.O.R. division to the Triassic rocks of Cuttieshillock, Spynie and Cummingston have been made, and in not a single specimen has the copper oxide been found absent, while of the nickel and cobalt, traces of at least one and not improbably both have been found in every instance. The difficulty of effecting a separation with" @default.
- W1963537103 created "2016-06-24" @default.
- W1963537103 creator A5032968348 @default.
- W1963537103 date "1903-01-01" @default.
- W1963537103 modified "2023-09-26" @default.
- W1963537103 title "Note on the occurrence of traces of heavy metals in the sandstones of the Moray Firth Basin" @default.
- W1963537103 doi "https://doi.org/10.1144/transed.8.2.256" @default.
- W1963537103 hasPublicationYear "1903" @default.
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