Spector, Israel Henry (1941): Analyses of manganese deposits in the Riding Mountain area [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.858498, Supplement to: Spector, IH (1941): Manganese deposits in the Riding Mountain area, Manitoba. Master Thesis, University of Manitoba (pdf 5.6 MB), 61 pp, hdl:1993/8243
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Abstract:
Several bog manganese deposits were discovered in the Riding Mountain area in Manitoba during the spring and summer of 1940. A study was made of the known deposits to determine the grade of the occurrences, a possible source of the manganese oxides in the bog deposits and the possibilities of locating other manganese occurrences. Samples of the bog manganese, of spring waters from which the manganese
oxides have apparently been precipitated, of the Odanah shale in which the deposits occur, and of "ironstone" nodules found in the Odanah and Riding Mountain shales were gathered in the field and later analyzed. In addition to chemical analyses of the above-mentioned samples, several polished sections of the manganese oxides were prepared and studied under the microscope, thin-sections of nodules were examined, and spectrographic analyses of both nodules and bog manganese were made.
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Latitude: 50.666297 * Longitude: -101.371631
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Comment:
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.
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Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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Datasets listed in this publication series
- Spector, IH (1941): Description of the fossil manganese nodules found in the shales of the Odanah and Riding Mountain Cretaceous escarpment of Manitoba. https://doi.org/10.1594/PANGAEA.858496
- Spector, IH (1941): (Table, page 95) Chemistry of bog manganese concretions and wad from the Columbia County, New York. https://doi.org/10.1594/PANGAEA.858497