Tucker, Maurice E (1973): (Table 1, page 146) Iron, manganese and nickel contents of 21 ferromanganese nodules from Combe D'Izame and Mont Peyroux, Montagne Noire [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.857108, Supplement to: Tucker, ME (1973): Ferromanganese nodules from the devonian of the montagne noire (S. France) and West Germany. Geologische Rundschau, 62(1), 137-153, https://doi.org/10.1007/BF01826821
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Abstract:
Ferromanganese nodules (equivalent to Recent manganese nodules) are described from the Upper Devonian griotte (red pelagic limestone) of the Montagne Noire (S. France) and the Cephalopodenkalk of the Rheinisches Schiefergebirge, West Germany. They occur as encrustations, commonly exhibiting colloform structures, around skeletal material and limestone clasts. The nodules are associated with encrusting foraminifera and a development in the sublittoral environment is envisaged. Chemically, the ferromanganese nodules are depleted in manganese relative to iron, compared with Recent nodules, a loss which is attributed to diagenetic migration of manganese. Electron probe studies show that manganese covaries positively with calcium, but negatively with iron and silicon. Diagenetic enrichment of hematite occurs in the griotte at hardground horizons where two periods of mineralization can be established. The Devonian ferromanganese nodules show that solution of nodules has not occurred on burial.
Source:
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, https://doi.org/10.7289/V52Z13FT
Further details:
Tucker, Maurice E (1973): Fig. 2. Limestone clast encrusted with a ferromanganese crust containing foraminifera and skeletal fragments. A black "halo" is developed around the nodule, replacing the sediment, and illustrates the diagenetic mobility of iron and manganese. Lower Famennian. Combe D'Izarne, Montagne Noire, S. France. Scale bar = 0.5 cm. Geologische Rundschau, 62(1), 140, hdl:10013/epic.46640.d001
Tucker, Maurice E (1973): Fig. 3. Bored and partly micritized bivalve fragment surrounded by a ferromanganese crust. A light and dark brown banding is well developped in parts but closer to the shell this is replaced by colloform structures. Lower Famennian. Combe D'Izarne, Montagne Noire, S. France. Scale bar = 1 mm. Geologische Rundschau, 62(1), 140, hdl:10013/epic.46640.d002
Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN
Project(s):
Coverage:
Median Latitude: 43.630537 * Median Longitude: 3.437061 * South-bound Latitude: 43.554906 * West-bound Longitude: 3.351931 * North-bound Latitude: 43.706167 * East-bound Longitude: 3.522191
Minimum Elevation: 207.0 m * Maximum Elevation: 236.0 m
Event(s):
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.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Tucker, Maurice E | |||
| 2 | Latitude of event | Latitude | Tucker, Maurice E | |||
| 3 | Longitude of event | Longitude | Tucker, Maurice E | |||
| 4 | Elevation of event | Elevation | m | Tucker, Maurice E | ||
| 5 | Sample ID | Sample ID | Tucker, Maurice E | |||
| 6 | Iron | Fe | % | Tucker, Maurice E | X-ray fluorescence (XRF) | |
| 7 | Manganese | Mn | % | Tucker, Maurice E | X-ray fluorescence (XRF) | |
| 8 | Nickel | Ni | % | Tucker, Maurice E | X-ray fluorescence (XRF) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
84 data points