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Vogt, J H L (1915): (Tables, page 17-18), Chemical composition of ferromanganese concretions in lake Storsjøen. PANGAEA,, Supplement to: Vogt, JHL (1915): Om manganrik sjømalm. I Storsjøen, Norde Odalen. Norges Geol. Unders. Aarbok, VI., 1-43, hdl:10013/epic.45881.d001

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This paper discusses the occurrence of manganese-rich concretions (Seeerz or see-erz, in german) in Storsjöen (46 km**2, 130 m above sea level) in southern Norway, (in the basement area, 70 km. Northeast of Oslo, then named Kristiania) and thereby contains a general discussion about the relationship between manganese and iron in the concretions as well as on the different precipitation of Mn-poor iron-manganese oxide concretions in the bottom of lakes from that manganese oxide rich concretions which are relatively Fe-poor.
Source data set:
Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA,
Further details:
Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA,
Latitude: 60.380360 * Longitude: 11.633410
Minimum DEPTH, sediment/rock: m * Maximum DEPTH, sediment/rock: m
Lake_Storsjo_V * Latitude: 60.380360 * Longitude: 11.633410 * Location: Lake Storsjø, Nord-Odal, Norway * Method/Device: Dredge (DRG)
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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 propriatory 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.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample IDSample IDVogt, J H L
2DEPTH, sediment/rockDepthmVogt, J H LGeocode
3Iron oxide, Fe2O3Fe2O3%Vogt, J H L
4Manganese oxideMnO%Vogt, J H L
5Silicon dioxideSiO2%Vogt, J H L
6Aluminium oxideAl2O3%Vogt, J H L
7Calcium oxideCaO%Vogt, J H L
8Magnesium oxideMgO%Vogt, J H L
9Sulfur, totalTS%Vogt, J H L
10Phosphorus oxideP2O5%Vogt, J H L
11Loss on ignitionLOI%Vogt, J H L
12DescriptionDescriptionVogt, J H L
96 data points

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