Citation:

BF00306512

Name: (Table 1) Major element concentration of Cr-spinel from basalts of the West Valley segment, Juan de Fuca Ridge
Published: 1995
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Ocean Drilling Program (ODP)

Coverage:

Median Latitude: 43.023453 * Median Longitude: -129.087420 * South-bound Latitude: 28.446700 * West-bound Longitude: -129.198300 * North-bound Latitude: 48.403300 * East-bound Longitude: -129.043300

Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m

Event(s):

Juan_de_Fuca_Ridge * Latitude Start: 48.000000 * Longitude Start: -129.500000 * Latitude End: 48.666667 * Longitude End: -128.666667 * Elevation Start: -1500.0 m * Elevation End: -3000.0 m * Location: Juan de Fuca Ridge, North Pacific Ocean * Method/Device: Dredge (DRG)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m			Geocode
2	LATITUDE	Latitude				Geocode
3	LONGITUDE	Longitude				Geocode
4	Sample code/label	Sample label		Cousens, Brian L	DSDP/ODP/IODP sample designation
5	Geographic name/locality	Locality		Cousens, Brian L
6	Latitude 2	Latitude 2		Cousens, Brian L
7	Longitude 2	Longitude 2		Cousens, Brian L
8	Depth, bathymetric	Bathy depth	m	Cousens, Brian L
9	Depth, top/min	Depth top	m	Cousens, Brian L		bathymetric
10	Rock type	Rock		Cousens, Brian L
11	Silicon dioxide	SiO2	%	Cousens, Brian L	Electron microprobe (EMP)
12	Titanium dioxide	TiO2	%	Cousens, Brian L	Electron microprobe (EMP)
13	Aluminium oxide	Al2O3	%	Cousens, Brian L	Electron microprobe (EMP)
14	Chromium(III) oxide	Cr2O3	%	Cousens, Brian L	Electron microprobe (EMP)
15	Iron oxide, FeO	FeO	%	Cousens, Brian L	Electron microprobe (EMP)
16	Iron oxide, FeO	FeO	%	Cousens, Brian L
17	Manganese oxide	MnO	%	Cousens, Brian L	Electron microprobe (EMP)
18	Magnesium oxide	MgO	%	Cousens, Brian L	Electron microprobe (EMP)
19	Calcium oxide	CaO	%	Cousens, Brian L	Electron microprobe (EMP)
20	Iron oxide, Fe2O3	Fe2O3	%	Cousens, Brian L
21	Chromium number	Cr#		Cousens, Brian L		Cr# = Cr/(Cr+Al+Fe3+)
22	Iron 3+ number	Fe3+/(Cr + Al + Fe3+)		Cousens, Brian L
23	Magnesium number	Mg#		Cousens, Brian L		Mg# = Mg/(Mg + Fe2+)
24	Magnesium number	Mg#		Cousens, Brian L		Melt, Mg# = Mg/(Mg + Fe2+), represents the equilibrium melt predicted from Cr-spinel composition by algorithm of Allan (1992), assuming an olivine-spinel Mg-Fe2+ exchange Kd of 0.3
25	Magnesium number	Mg#		Cousens, Brian L		Glass, Mg# = Mg/(Mg + Fe2+)

License:

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

Size:

297 data points

Data

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

2 Latitude	3 Longitude	4 Sample label (DSDP/ODP/IODP sample designation)	5 Locality	6 Latitude 2	7 Longitude 2	8 Bathy depth [m]	9 Depth top [m] (bathymetric)	10 Rock	11 SiO2 [%] (Electron microprobe (EMP))	12 TiO2 [%] (Electron microprobe (EMP))	13 Al2O3 [%] (Electron microprobe (EMP))	14 Cr2O3 [%] (Electron microprobe (EMP))	15 FeO [%] (Electron microprobe (EMP))	16 FeO [%]	17 MnO [%] (Electron microprobe (EMP))	18 MgO [%] (Electron microprobe (EMP))	19 CaO [%] (Electron microprobe (EMP))	20 Fe2O3 [%]	21 Cr# (Cr# = Cr/(Cr+Al+Fe3+))	22 Fe3+/(Cr + Al + Fe3+)	23 Mg# (Mg# = Mg/(Mg + Fe2+))	24 Mg# (Melt, Mg# = Mg/(Mg + Fe2+), r...)	25 Mg# (Glass, Mg# = Mg/(Mg + Fe2+))
28.4467	-129.0433	D22-4	West Valley			2934	2890	Groundmass rim, >0.25 mm	0.10	0.65	28.31	36.06	18.62	13.28	0.10	15.44	0.14	5.93	0.43000	0.06700	0.67400	0.65200
28.4467	-129.0433	D22-9	West Valley			2934	2890	Groundmass rim, >0.25 mm	0.08	0.61	29.17	35.16	18.19	12.67	0.16	15.88	0.08	6.14	0.41600	0.06900	0.69100	0.66500
28.4467	-129.0433	D22-11	West Valley			2934	2890	Inclusion rim plagioclase	0.10	0.40	30.42	34.28	17.90	12.86	0.05	15.75	0.11	5.60	0.40342	0.06272	0.68574	0.65000
28.4467	-129.0433	D22-14	West Valley			2934	2890	Inclusion rim plagioclase	0.10	0.33	29.81	36.54	15.16	10.84	0.10	16.92	0.14	4.80	0.42700	0.05300	0.73600	0.70700
48.1667	-129.1183	C16-3	S.W. Valley			2700		Groundmass rim, >0.25 mm	0.11	1.98	24.92	31.86	27.53	18.11	0.16	12.73	0.15	10.46	0.40300	0.12600	0.55600	0.56000	0.56200
48.1883	-129.1233	D27-7-7	S.W. Valley			2690		Groundmass rim, >0.25 mm	0.10	2.39	24.22	30.57	29.87	18.98	0.21	12.45	0.10	12.11	0.39100	0.14700	0.53900	0.55100	0.54900
48.2325	-129.1983	D26-1-1	Southwest Seamount			2320	2310	Groundmass rim, >0.25 mm	0.09	1.56	26.76	32.16	23.75	15.27	0.19	14.38	0.18	9.42	0.39700	0.11100	0.62700	0.61800	0.60300
48.2325	-129.1983	D26-1-6	Southwest Seamount			2320	2310	Inclusion rim olivine	0.12	1.46	26.14	32.71	23.84	15.83	0.16	13.84	0.11	8.90	0.40800	0.10600	0.60900	0.60100	0.60300
48.3850	-129.0633	D23-2	West Valley			2830	2820	Inclusion rim plagioclase	0.07	0.42	27.53	38.93	16.57	12.37	0.11	15.91	0.00	4.67	0.46100	0.05300	0.69600	0.67800	0.66900
48.3850	-129.0633	D23-5	West Valley			2830	2820	Inclusion core plagioclase	0.05	0.25	43.09	23.71	13.04	9.44	0.08	19.32	0.00	4.00	0.25800	0.04200	0.78500	0.70000
48.3850	-129.0633	D23-6	West Valley			2830	2820	Inclusion rim plagioclase	0.05	0.21	43.73	23.54	12.82	9.39	0.09	19.44	0.03	3.81	0.25481	0.03929	0.78676	0.67800
48.3917	-129.0733	C14-1	West Valley	48.4400	-129.2017	2570		Groundmass core, >0.25 mm	0.17	0.52	31.72	32.98	17.29	12.13	0.08	16.56	0.11	5.73	0.38500	0.06400	0.70900	0.66900	0.66800
48.3917	-129.0733	C14-7	West Valley	48.4400	-129.2017	2570		Inclusion rim plagioclase	0.10	0.31	34.16	32.17	15.62	10.96	0.12	17.46	0.17	5.18	0.36500	0.05600	0.74000	0.69100
48.4033	-129.0817	D24-3-10	Southwest Seamount	48.2583	-129.2017	2200	2140	Inclusion rim olivine	0.04	1.50	30.86	27.59	23.98	15.30	0.15	14.85	0.01	9.65	0.33300	0.11100	0.63400	0.60100	0.59200
48.4033	-129.0817	D24-6-6	Southwest Seamount	48.2583	-129.2017	2200	2140	Groundmass rim, >0.25 mm	0.07	1.39	31.75	27.03	23.21	15.01	0.13	14.97	0.08	9.11	0.32500	0.10400	0.64000	0.60000	0.59400