Citation:

PANGAEA.745092, In supplement to: Sharkov, EV et al. (2005): Silicic Fe-Ti-oxide series of slow-spreading ridges: petrology, geochemistry, and genesis with reference to the Sierra Leone segment of the Mid-Atlantic Ridge axial zone at 6°N. Russian Journal of Earth Sciences, 7(4), 1-30

Name: (Table 4) Representative analyses of plagioclase in rocks from the Sierra Leone segment of the Mid-Atlantic Ridge
Published: 2005
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Archive of Ocean Data (ARCOD)

Coverage:

Median Latitude: 6.081314 * Median Longitude: -33.320206 * South-bound Latitude: 5.835000 * West-bound Longitude: -33.821700 * North-bound Latitude: 6.676700 * East-bound Longitude: -33.147933

Minimum Elevation: -4350.0 m * Maximum Elevation: -3240.0 m

Event(s):

I1028 * Latitude Start: 6.261700 * Longitude Start: -33.396700 * Latitude End: 6.268300 * Longitude End: -33.396700 * Elevation Start: -3800.0 m * Elevation End: -3400.0 m * Location: Mid-Atlantic Ridge * Campaign: * Basis: Akademik Ioffe * Method/Device: Dredge (DRG)

I1060 * Latitude Start: 5.845000 * Longitude Start: -33.226700 * Latitude End: 5.835000 * Longitude End: -33.233300 * Elevation Start: -3600.0 m * Elevation End: -3240.0 m * Location: Mid-Atlantic Ridge * Campaign: * Basis: Akademik Ioffe * Method/Device: Dredge (DRG)

I1063 * Latitude Start: 5.908300 * Longitude Start: -33.166700 * Latitude End: 5.911700 * Longitude End: -33.160000 * Elevation Start: -3900.0 m * Elevation End: -3600.0 m * Location: Mid-Atlantic Ridge * Campaign: * Basis: Akademik Ioffe * Method/Device: Dredge (DRG)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Event label	Event
2	Longitude of event	Longitude
3	Latitude of event	Latitude
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	Rock type	Rock		Sharkov, E V
9	Sample code/label	Sample label		Sharkov, E V
10	Sample comment	Sample comment		Sharkov, E V
11	Silicon dioxide	SiO2	%	Sharkov, E V	Microprobe
12	Titanium dioxide	TiO2	%	Sharkov, E V	Microprobe
13	Aluminium oxide	Al2O3	%	Sharkov, E V	Microprobe
14	Iron oxide, FeO	FeO	%	Sharkov, E V	Microprobe
15	Manganese oxide	MnO	%	Sharkov, E V	Microprobe
16	Magnesium oxide	MgO	%	Sharkov, E V	Microprobe
17	Calcium oxide	CaO	%	Sharkov, E V	Microprobe
18	Sodium oxide	Na2O	%	Sharkov, E V	Microprobe
19	Potassium oxide	K2O	%	Sharkov, E V	Microprobe
20	Chlorine	Cl	%	Sharkov, E V	Microprobe
21	Chromium(III) oxide	Cr2O3	%	Sharkov, E V	Microprobe
22	Vanadium oxide	V2O5	%	Sharkov, E V	Microprobe
23	Nickel oxide	NiO	%	Sharkov, E V	Microprobe
24	Phosphorus pentoxide	P2O5	%	Sharkov, E V	Microprobe
25	Orthoclase	Or	%	Sharkov, E V
26	Albite	Ab	%	Sharkov, E V
27	Anorthite	An	%	Sharkov, E V

License:

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

Size:

342 data points

Data

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

1 Event	2 Longitude	3 Latitude	4 Elevation [m]	5 Latitude 2	6 Longitude 2	7 Elevation 2 [m]	8 Rock	9 Sample label	10 Sample comment	11 SiO2 [%]	12 TiO2 [%]	13 Al2O3 [%]	14 FeO [%]	15 MnO [%]	16 MgO [%]	17 CaO [%]	18 Na2O [%]	19 K2O [%]	20 Cl [%]	21 Cr2O3 [%]	22 V2O5 [%]	23 NiO [%]	24 P2O5 [%]	25 Or [%]	26 Ab [%]	27 An [%]
I1028	-33.3967	6.2617	-3800	6.2683	-33.3967	-3400	Fe-Ti-oxide hornblende gabbronorite	I1028/3-5		56.47	<0.01	27.38	0.18	<0.01	0.10	9.55	6.20	0.110						0.60	53.7	45.7
I1028	-33.3967	6.2617	-3800	6.2683	-33.3967	-3400	Fe-Ti-oxide hornblende gabbronorite	I1028/3-2		56.14	0.14	27.31	0.30	0.01	0.03	9.48	6.24	0.220				0.13		1.30	53.7	45.0
I1060	-33.2267	5.8450	-3600	5.8350	-33.2333	-3240	plagioclase-phyric hornblende dolerite	I1060/3-1	aggregate of phenocrysts	47.65	<0.01	32.59	0.33	<0.01	0.08	16.62	2.42	0.040	0.02	<0.01	0.01	0.12	0.12	0.20	20.9	78.9
I1060	-33.2267	5.8450	-3600	5.8350	-33.2333	-3240	plagioclase-phyric hornblende dolerite	I1060/3-2	thin lath	51.59	<0.01	30.28	0.16	<0.01	<0.01	13.62	3.97	0.960	0.02	0.19	<0.01	0.01	0.07	0.50	34.4	65.1
I1060	-33.2267	5.8450	-3600	5.8350	-33.2333	-3240	granodiorite	I1060/18-3		67.27	<0.01	20.75	<0.01	0.05	<0.01	1.98	9.72	0.030	<0.01	0.10	0.03	0.02	0.06	0.05	89.5	10.5
I1060	-33.2267	5.8450	-3600	5.8350	-33.2333	-3240	hornblende quartz diorite	I1060/63-1		60.70	0.09	24.70	0.23	<0.01	0.06	6.13	7.71	0.230	0.04		<0.01	0.12		1.30	68.5	30.1
I1063	-33.1667	5.9083	-3900	5.9117	-33.1600	-3600	hornblende gabbronorite	I1063/1-8	subhedral crystal	58.71	0.01	25.42	0.30	<0.01	0.07	8.19	6.60	0.140	<0.01	<0.01	<0.01	0.12	0.43	0.80	58.9	40.3
I1063	-33.1667	5.9083	-3900	5.9117	-33.1600	-3600	hornblende gabbronorite	I1063/1-10	inclusion in clinopyroxene	57.74	0.07	26.10	0.08	<0.01	<0.01	8.66	6.69	0.200	0.03	0.16	<0.01	0.15	0.12	1.10	57.7	41.2
I1063	-33.1667	5.9083	-3900	5.9117	-33.1600	-3600	Fe-Ti-oxide hornblende gabbronorite-diorite	I1063/5-1		58.32	0.05	25.78	0.25	0.11	<0.01	8.22	6.91	0.085	0.03	0.10	<0.01	<0.01	0.13	0.50	60.0	39.5
I1063	-33.1667	5.9083	-3900	5.9117	-33.1600	-3600	thin granodiorite vein	I1063/17-1		60.39	0.02	25.16	0.01	<0.01	<0.01	6.88	7.33	0.210	0.01	<0.01	<0.01	<0.01		1.30	65.0	33.7
I1063	-33.1667	5.9083	-3900	5.9117	-33.1600	-3600	thin granodiorite vein	I1063/17-4		60.16	<0.01	24.67	0.11	<0.01	<0.01	7.04	7.48	0.150	0.01	0.05	<0.01	0.07	0.26	0.10	65.0	33.9
I1063	-33.1667	5.9083	-3900	5.9117	-33.1600	-3600	Iherzolite	I1063/17-14	rim around chromite	54.03	<0.01	28.57	0.21	<0.01	0.08	11.58	5.17	<0.010	<0.01	0.28	<0.01	<0.01	0.08		44.7	55.3
I1069	-33.1633	5.9100	-3800	5.9083	-33.1583	-3640	troctolite, cumulate plagioclase	I1069/16-2(l)	large individual grain	49.68	0.04	31.57	0.18	<0.01	0.05	15.58	2.69	0.020	0.03	<0.01	<0.01	<0.01	0.07	0.10	23.8	76.1
I1069	-33.1633	5.9100	-3800	5.9083	-33.1583	-3640	troctolite, cumulate plagioclase	I1069/16-3(s)	small chadacryst in clinopyroxene oikocryst	47.73	0.08	32.73	0.29	<0.01	0.03	16.45	2.21	0.080	0.05	0.05	0.07	<0.01	0.03	0.50	19.3	80.2
I1072	-33.8217	6.6767	-4350	6.6767	-33.8000	-4200	basalt	I1072/1(x)	xenocryst	49.08		32.26	0.25			15.90	2.51								22.2	77.8
I1072	-33.8217	6.6767	-4350	6.6767	-33.8000	-4200	basalt	I1072/1(l)	lath	50.65		31.20	0.42			14.68	3.05								27.3	72.7
I1072	-33.8217	6.6767	-4350	6.6767	-33.8000	-4200	basalt	I1072/1(l)	lath	50.54		31.31	0.38			14.50	3.27								29.0	71.0
PL22-1141	-33.1711	5.9107	-4026				dolerite	L1141/15(c)	core	51.30	<0.01	30.37	0.56	<0.01	<0.01	14.20	3.49	0.080						0.40	31.0	68.6
PL22-1141	-33.1711	5.9107	-4026				dolerite	L1141/15(r)	rim	55.66	0.14	27.42	0.79	<0.01	<0.01	10.50	5.36	0.130						0.70	47.5	51.6
PL22-1163	-33.1479	5.8634	-3890				Fe-Ti-oxide gabbronorite	L1163/34-14		57.12		26.95		0.25		9.30	6.32	0.060						0.30	55.0	44.7
PL22-1163	-33.1479	5.8634	-3890				Fe-Ti-oxide gabbronorite	L1163/34-18		57.50		26.84		0.24		8.94	6.41	0.070						0.40	56.2	43.4