Dubinin, Alexander V; Uspenskaya, Tatyana Y; Gavrilenko, Georgy M; Rashidov, V A (2008): (Table 3) Mineralogy of Fe-Mn segregations from island arcs in the West Pacific [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.725352, In supplement to: Dubinin, AV et al. (2008): Geochemistry and genesis of Fe-Mn mineralization in island arcs in the West Pacific Ocean. Geochemistry International, 46(12), 1206-1227, https://doi.org/10.1134/S0016702908120021
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Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 7.561022 * Median Longitude: 151.988839 * South-bound Latitude: -35.230000 * West-bound Longitude: 107.575000 * North-bound Latitude: 47.510000 * East-bound Longitude: -178.438300
Minimum Elevation: -1740.0 m * Maximum Elevation: -25.0 m
Event(s):
B1-14 * Latitude: 31.111700 * Longitude: 139.320000 * Elevation: -1190.0 m * Location: Nampo Island arc, Smith Pinnacles * Method/Device: Dredge (DRG)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Sample code/label | Sample label | Dubinin, Alexander V | |||
| 6 | Color description | Color desc | Dubinin, Alexander V | |||
| 7 | Comment | Comment | Dubinin, Alexander V | |||
| 8 | Comment 2 (continued) | Comm 2 | Dubinin, Alexander V |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
74 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Elevation [m] | 5 Sample label | 6 Color desc | 7 Comment | 8 Comm 2 |
|---|---|---|---|---|---|---|---|
| Ush-1 | 47.5100 | 152.8167 | -25 | Ush-1 | brownish black | Fe oxyhydroxides, glass is partly palagonitized and contains quartz potassic, feldspar, and plagioclase; glass of andesite-dacite composition, phenocrysts are plagioclase, clinopyroxene, and hornblende | |
| B24-28 | 45.9167 | 149.9250 | -975 | B24-28 | brown-black | Fe-vernadite, Mn-feroxyhyte, admixture of poorly ordered buserite-2 (poorly pronounced 10 Å reflections) and a Fe-X phase | |
| B1-14 | 31.1117 | 139.3200 | -1190 | B1-14 | brown-black | Fe-vernadite, vernadite replacing todorokite, unordered todorokite, admixtures: Mn-feroxyhyte, todorokite, and a Fe-X phase | |
| B1-35 | 31.0167 | 139.0583 | -960 | B1-35 | black | Fe-vernadite, vernadite, semiordered asbolane-buserite | |
| B1-52 | 29.8117 | 140.1533 | -800 | B1-52 | brown | Poorly recrystallized Fe oxyhydroxide, sometimes in the form of globules between volcaniclastic particles of predominantly andesite-dacite composition, with plagioclase and pyroxene phenocrysts | |
| B5-12-7 | 26.0333 | 144.2250 | -870 | B5-12-7 | brown-black | Vernadite, Fe-vernadite, Mn-feroxyhyte, asbolane-buserite (Ni) | |
| B5-6-75 | 14.8983 | 145.1433 | -1740 | B5-6-75 | black | Weakly ordered "Ca-birnessite" (basis reflections are split, additional weak network of reflections is poorly pronounced), vernadite, unordered todorokite | brown-green or brown vesicular glass (sometimes with plagioclase microlites) with phenocrysts of plagioclase, pyroxene, and olivine of basaltic composition cemented by oxyhydroxides |
| B5-6-79 | 14.9233 | 145.2400 | -825 | B5-6-79 | black | "Ca-birnessite" (very fine-grained, unordered, in mixture with phyllosilicates), vernadite, Fe-vernadite, pale green vesicular glass with phenocrysts of plagioclase, pyroxene, and olivine of basaltic composition | occasional fragments of palagonitized glasses with Fe oxyhydroxides |
| B5-6-85 | 14.9533 | 145.2525 | -280 | B5-6-85 | brown to foxy brown | Feroxyhyte (Fe >> Mn) and protoferoxyhyte, ferrihydrite and protoferrihydrite (Mn-free), oxyhydroxides cement brown-green glass (tuff) with phenocrysts of plagioclase, pyroxene, and olivine of basaltic composition | |
| B5-10 | 14.4250 | 145.4717 | -1650 | B5-10 | brown-black | Fe-vernadite, Mn-feroxyhyte | |
| B5-17 | 14.8000 | 145.2717 | -1740 | B5-17 | brown-black | Fe-vernadite, Fe-X phase (Si-bearing), Mn-feroxyhyte, goethite | |
| B4-37-2 | 7.1467 | 107.5750 | -70 | B4-37-2 | brown | Goethite (aggregates of small acicular crystals), hematite (fine-grained) | |
| H18 | -4.2333 | 152.2000 | -25 | H18-20/2 | brown | Many phyllosilicates (including nontronite), poorly crystalline Si-Fe mass, goethite, vesicular glass of andesite-dacite composition with plagioclase and pyroxene phenocrysts | |
| H18 | -4.2333 | 152.2000 | -25 | H18-20/3(a) | brown | Protoferoxyhyte (Fe >> Mn), basaltic glass with plagioclase, pyroxene, and olivine phenocrysts | |
| H18 | -4.2333 | 152.2000 | -25 | H18-20/3(b) | brown | Much nontronite and other phyllosilicates, poorly crystalline Si-Fe mass (sometimes Mn-bearing), goethite (aggregates of small acicular crystals) | |
| H18 | -4.2333 | 152.2000 | -25 | H18-21(1) | brown | Poorly crystalline Si-Fe mass (nontronite), ferrihydrite, occasional fragments of acid dacite glass, occasional fragments of plagioclase and pyroxene with rims of Fe oxyhydroxides | Fe oxyhydroxide composes layers of variable thickness, intercalating with nontronite around the perimeter of a pipe |
| H18 | -4.2333 | 152.2000 | -25 | H18-21(2) | black | Unordered todorokite, asbolane-buserite, Mn oxyhydroxides intercalating with Fe oxyhydroxides, dendrites of Mn oxyhydroxide in a thin calcite layer in a pipe | |
| NHIA-E-3 | -16.6583 | 168.3583 | -430 | E-3 | brown | Poorly crystalline Si-Fe mass, goethite, acid glass (andesite-dacite), the morphology of the fragments corresponds to that of tuff, occasional phenocrysts of pyroxene and plagioclase (rare) | |
| B30-27 | -35.0950 | 177.5250 | -1250 | B30-27 | brown-black | Fe-vernadite, traces of asbolane-buserite | |
| B30-29-1 | -35.2300 | 177.4633 | -1500 | B30-29-1 | black | Fe-vernadite, vernadite | |
| B30-72-10 | -30.2767 | -178.4383 | -400 | B30-72-10(1) | brown-black | Fe-vernadite, vernadite, Mn oxyhydroxides in the form of a thin film of framboidal texture, volcaniclastic material consists of porphyritic basalt (plagioclase) with a microlitic (plagioclase) groundmass | occasional fragments of plagioclase, clinopyroxene (augite), and olivine, rare fragments of palagonitized glasses with occasional segregations of Fe oxyhydroxides |
| B30-72-10 | -30.2767 | -178.4383 | -400 | B30-72-10(2) | pale brown | Volcaniclastic material of porphyritic (plagioclase) basalts with a microlitic (plagioclase) groundmass, single fragments of plagioclase, clinopyroxene, and olivine | occasional fragments of palagonitized glasses with rare segregations of Fe oxyhydroxide replacing them |
| B30-87-9 | -34.9550 | 179.2383 | -1300 | B30-87-9 | brownish black | Fe-vernadite, Fe-X phase, Mn-feroxyhyte, goethite, admixture of asbolane-buserite |