Monaco, Andre; Valette, J N; Hoffert, Michel; Picot, P (1979): Annotated record of the detailed examination of Mn deposits from the coastal vicinity of the Vulcano Island in the Eolian Islands, Italy [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.867374, Supplement to: Monaco, A et al. (1979): Héritage et néoformation dans les dépôts volcano-sédimentaires et hydrothermaux avoisinant l'île de Vulcano = Heritage and neoformation in volcanic and hydrothermal sediments surrounding Vulcano Island. Oceanologica Acta, 2(1), 75-89, https://archimer.ifremer.fr/doc/00122/23365/21192.pdf
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Abstract:
The volcanic deposits which surround Vulcano Island may be classified in four phases : a detritic phase, fed from the Island itself and from Sicily; a siliceous and carbonateous organic phase; a neogenesis mineral phase; a precipitation phase. The formation of clay and the mineralization of iron and manganese are the subject of particular study. A number of indications suggest the littoral neogenesis of kaolinite around hydrothermal issues, and the formation of smectite at greater depths. The distribution of iron mineralization in the Baie du Levant follows the physicochemical variations of the environment. Melnikovite, pyrite, marcassite and pyrrhotin are dispersed in aureoles around swallow emission points (fumaroles). Close to the hydrothermal spring, iron precipitates are found in the form of amorphous hydroxydes, while geothite and hematite characterize the deeper area as a whole. Manganese mineralizations are exclusively represented by hydroxides and oxides, locally (about - 250 m) organized as incrustations on. lapilli glasses (micronodules). These would appear to be related to the hydrothermal spring.
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:
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:
Latitude: 38.417457 * Longitude: 14.975427
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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 | Sample ID | Sample ID | Monaco, Andre | |||
| 2 | DEPTH, sediment/rock | Depth sed | m | Monaco, Andre | Geocode | |
| 3 | Position | Position | Monaco, Andre | Visual description | ||
| 4 | Deposit type | Deposit type | Monaco, Andre | |||
| 5 | Quantity of deposit | Quantity | Monaco, Andre | |||
| 6 | Size | Size | Monaco, Andre | |||
| 7 | Substrate type | Substrate | Monaco, Andre | |||
| 8 | Sediment type | Sediment | Monaco, Andre | |||
| 9 | Comment | Comment | Monaco, Andre | |||
| 10 | Description | Description | Monaco, Andre |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
9 data points