Shkol'nik, E L; Baturin, Gleb N; Zhegallo, E A; Zalishchak, B L; Basov, Ivan A (2009): (Table 3) Chemical composition of phosphatized rocks from the Kammu Seamount [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.726433, In supplement to: Shkol'nik, EL et al. (2006): Quaternary phosphatized limestones with initial Fe-Mn mineralization from the Kammu Seamount (Milwaukee Seamounts, Northern Pacific). Oceanology, 46(1), 95-104, https://doi.org/10.1134/S0001437006010115
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Abstract:
Phosphatized biogenic limestones and phosphorites with initial Fe-Mn mineralization dredged from the summit surface of the Kammu Seamount (Milwaukee Seamounts, northwestern Pacific) are studied. The rocks are largely composed of nannofossils and planktonic foraminifers with an admixture of benthic foraminifers, bryozoans, and other organic remains, presumably including bacterial ones. The nannofosssil and foraminiferal assemblages indicate Quaternary age of sediments, and their phosphatization is consistent with the phosphatization age determined previously based on nonequilibrium uranium (within the limits of 1 My). The age of phosphatization and the Fe-Mn mineralization in the sediments from Pacific seamounts that young implies dependence of these ore-forming processes on oceanic environments favorable for ore accumulation rather than on their age.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 32.158331 * Median Longitude: 172.958332 * South-bound Latitude: 31.950000 * West-bound Longitude: 172.816660 * North-bound Latitude: 32.283330 * East-bound Longitude: 173.116667
Date/Time Start: 1970-06-01T00:00:00 * Date/Time End: 1970-06-01T00:00:00
Minimum Elevation: -670.0 m * Maximum Elevation: -350.0 m
Event(s):
TB-271 * Latitude: 31.950000 * Longitude: 173.116667 * Elevation: -350.0 m * Location: North Pacific Ocean * Campaign: Gerakl-1980 * Basis: Gerakl * Method/Device: Dredge (DRG)
VITYAZ6259 * Latitude: 32.133333 * Longitude: 173.050000 * Date/Time: 1970-06-01T00:00:00 * Elevation: -670.0 m * Location: North Pacific Ocean * Campaign: Vityaz-48 * Basis: Vityaz (ex-Mars) * Method/Device: Dredge (DRG)
VITYAZ6261-1a * Latitude: 32.283330 * Longitude: 172.816660 * Date/Time: 1970-06-01T00:00:00 * Elevation Start: -375.0 m * Elevation End: -478.0 m * Location: North Pacific Ocean * Campaign: Vityaz-48 * Basis: Vityaz (ex-Mars) * Method/Device: Dredge (DRG)
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
54 data points