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Rashidov, V A; Nevretdinov, E B; Selyangin, O B; Nevretdinov, Er B (2003): (Table 2) Absolute age of Magellan Seamount Guyots. PANGAEA, https://doi.org/10.1594/PANGAEA.785124, Supplement to: Rashidov, VA et al. (2003): Geologic-geophysical investigations of Magellan Seamount Guyots, Pacific Ocean. Vestnik KRAUNC (Bulletin of Kamchanka Regional Association "Educational-Scientific Center"). Earth Sciences, No 1, 103-126

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Abstract:
This paper generalizes both original data and all available materials obtained by home and foreign researchers when studying guyots of the Magellan seamounts. The Magellan seamounts represent an extended arc-like chain of seamounts, mainly guyots within the middle part of the East-Mariana Trough. The guyots rise above the relatively flat floor of the East-Mariana Trough with depths about 5500-6000 m to the height up to 4500-4800 m and reach depth level from 1300 to 1200 m. In 1980s-1990s the Magellan seamounts become objects of permanent studies for both home and foreign researchers. First of all it is connected with the fact that considerable accumulations of Fe/Mn crusts and nodules were found at slopes and tops of the Magellan seamounts. Though having some similar features, the guyots of the Magellan seamounts differ considerably in their geological structure, time of formation and duration of volcanic activity. They were studied rather non-uniformly. The Ita-Maitai, Dalmorgeo, Roskomnedra, Vulkanolog, TIG, Hemler guyots and the Himu seamount were studied in detail, while the Nakhodka, IMGiG, TOI, DVGI guyots and the D-4 and Golden Dragonseamounts are less studied. The MA-3, MA-4, MA-10, MA-11, MA-27, MA-29, MA-31 and MA-38 guyots are very poorly studied.
Project(s):
Coverage:
Median Latitude: 16.777083 * Median Longitude: 154.400208 * South-bound Latitude: 12.970000 * West-bound Longitude: 151.566667 * North-bound Latitude: 21.700000 * East-bound Longitude: 156.750000
Minimum Elevation: -4500.0 m * Maximum Elevation: -1200.0 m
Event(s):
RNSN-03-01 * Latitude: 21.300000 * Longitude: 153.200000 * Location: Golden Dragon Seamount * Device: Dredge (DRG)
RNSN-03-02 * Latitude: 21.700000 * Longitude: 151.700000 * Elevation Start: -4500.0 m * Elevation End: -3440.0 m * Location: Himu Seamount * Device: Dredge (DRG)
RNSN-03-03 * Latitude: 19.550000 * Longitude: 151.566667 * Elevation Start: -3950.0 m * Elevation End: -2510.0 m * Location: Hemler Guyot * Device: Dredge (DRG)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5Elevation of event 2Elevation 2m
6Area/localityAreaRashidov, V A
7Rock typeRockRashidov, V A
8Age, mineralAge mineralMaRashidov, V A
9Age, mineralAge mineralMaRashidov, V Amin
10Age, mineralAge mineralMaRashidov, V Amax
11Age, errorAge e±Rashidov, V A
12Number of observationsNOBS#Rashidov, V A
13Age, mineralAge mineralMaRashidov, V Aaverage
14Age, errorAge e±Rashidov, V Aaverage
15Analytical methodMethodRashidov, V A
Size:
244 data points

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