Citation:

PANGAEA.759239, Supplement to: Gorshkov, AI et al. (1992): The nature of the iron-manganese crusts from seamounts in the Sea of Japan. Oceanology, 32(3), 364-369

Name: Chemical compositions of monomineral fractions from Fe-Mn crusts and of their host rocks, seamounts of the Sea of Japan
Published: 1992
License: https://creativecommons.org/licenses/by/3.0/

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Abstract:

It has been established (with use of analytical electron microscopy) that Fe-Mn crusts from two seamounts of the Sea of Japan consist predominantly of an association of birnessite minerals including Ca-birnessite and clinobirnessite. The latter is represented by twins, which form regular integrowths with 14 Å Ca-birnessite. Ore material from the third seamount (Tarasov submarine volcano) consists only of fibrous todorokite, which forms spherulitic nodules, blocks, and laminar formations. Its chemical composition is close to that of todorokite from the Galapagos rift zone.

Project(s):

Archive of Ocean Data (ARCOD)

Coverage:

Median Latitude: 41.406333 * Median Longitude: 134.403667 * South-bound Latitude: 40.186667 * West-bound Longitude: 133.696667 * North-bound Latitude: 42.435000 * East-bound Longitude: 135.843333

Minimum Elevation: -2600.0 m * Maximum Elevation: -1450.0 m

Event(s):

DM35-3135 * Latitude Start: 42.100000 * Longitude Start: 133.720000 * Latitude End: 42.101667 * Longitude End: 133.696667 * Elevation Start: -2050.0 m * Elevation End: -2100.0 m * Location: Tarasov submarine volcano * Method/Device: Multiple investigations (MULT)

DM35-3136 * Latitude: 42.435000 * Longitude: 134.958333 * Elevation: -2600.0 m * Location: Unnamed seamount * Method/Device: Multiple investigations (MULT)

DM35-3144 * Latitude Start: 40.208333 * Longitude Start: 133.800000 * Latitude End: 40.186667 * Longitude End: 135.843333 * Elevation Start: -1450.0 m * Elevation End: -2250.0 m * Location: Yamato Rise * Method/Device: Multiple investigations (MULT)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Event label	Event
2	Latitude of event	Latitude
3	Longitude of event	Longitude
4	Elevation of event	Elevation	m
5	Latitude of event 2	Latitude 2
6	Longitude of event 2	Longitude 2
7	Elevation of event 2	Elevation 2	m
8	Sample type	Samp type		Gorshkov, Anatoly I
9	Manganese dioxide	MnO2	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
10	Iron oxide, Fe2O3	Fe2O3	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
11	Silicon dioxide	SiO2	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
12	Aluminium oxide	Al2O3	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
13	Calcium oxide	CaO	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
14	Sodium oxide	Na2O	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
15	Potassium oxide	K2O	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
16	Phosphorus pentoxide	P2O5	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
17	Barium oxide	BaO	%	Gorshkov, Anatoly I	Electron microprobe (EMP)
18	Nickel	Ni	mg/kg	Gorshkov, Anatoly I	Atomic absorption spectrometry (AAS)
19	Zinc	Zn	mg/kg	Gorshkov, Anatoly I	Atomic absorption spectrometry (AAS)
20	Cobalt	Co	mg/kg	Gorshkov, Anatoly I	Atomic absorption spectrometry (AAS)
21	Molybdenum	Mo	mg/kg	Gorshkov, Anatoly I	Atomic absorption spectrometry (AAS)
22	Strontium	Sr	mg/kg	Gorshkov, Anatoly I	Atomic absorption spectrometry (AAS)
23	Thorium	Th	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
24	Chromium	Cr	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
25	Scandium	Sc	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
26	Lanthanum	La	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
27	Cerium	Ce	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
28	Samarium	Sm	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
29	Europium	Eu	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
30	Ytterbium	Yb	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)
31	Lutetium	Lu	mg/kg	Gorshkov, Anatoly I	Element analysis, neutron activation (NAA)

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

143 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 Latitude 2	6 Longitude 2	7 Elevation 2 [m]	8 Samp type	9 MnO2 [%]	10 Fe2O3 [%]	11 SiO2 [%]	12 Al2O3 [%]	13 CaO [%]	14 Na2O [%]	15 K2O [%]	16 P2O5 [%]	17 BaO [%]	18 Ni [mg/kg]	19 Zn [mg/kg]	20 Co [mg/kg]	21 Mo [mg/kg]	22 Sr [mg/kg]	23 Th [mg/kg]	24 Cr [mg/kg]	25 Sc [mg/kg]	26 La [mg/kg]	27 Ce [mg/kg]	28 Sm [mg/kg]	29 Eu [mg/kg]	30 Yb [mg/kg]	31 Lu [mg/kg]
DM35-3144	40.2083	133.8000	-1450	40.1867	135.8433	-2250	todorokite	75.22	0.80	0.58	1.34	3.52	2.16	0.80	0.07	0.45	1070	431	209	638	718	1.20	11	1.2	28.0	43.0	4.8	0.92	5.1	0.67
DM35-3144	40.2083	133.8000	-1450	40.1867	135.8433	-2250	rock	65.25	6.15	21.01	4.07	0.57	1.57	1.86	0.18		1030	407	517	200	1160	9.10	19	3.6	69.0	267.0	10.2	1.70	6.0	1.00
DM35-3135	42.1000	133.7200	-2050	42.1017	133.6967	-2100	todorokite	79.26	2.20	7.82	0.14	3.64	1.75	4.32	0.16	0.51	205	264	150	1110	700	0.51	4	0.1	15.0	7.5	2.0	0.59	1.6	0.24
DM35-3135	42.1000	133.7200	-2050	42.1017	133.6967	-2100	rock	42.85	11.03	22.30	0.46	0.88	1.89	1.51	0.24	0.54	358	220	122	520	1100	1.20	20	0.7	14.0	7.7	2.4	0.33	1.3	0.28
DM35-3136	42.4350	134.9583	-2600				birnessite	81.12	0.10	<0.20	0.14	3.52	5.01	1.63	0.21	0.03	8	13	13	239	264	0.20	3	0.3	6.3	32.0	1.0	0.30	0.5	0.09
DM35-3136	42.4350	134.9583	-2600				rock	80.15	1.03	6.33	1.33	3.98	0.55	0.70	0.03	0.04	65	33	42	220	410	2.00	8	1.5	9.3	23.0	1.9	0.30	0.6	0.08