Citation:

PANGAEA.972347

Name: Major elemental compositions of olivine in mafic rocks from the Langseth Ridge (Gakkel Ridge)
Published: 2024-10-28
License: https://creativecommons.org/licenses/by/4.0/
Keywords: basalt; Gakkel ridge; Geochemistry; Mid-Ocean Ridge; Ultraslow-spreading; Volcanic center

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Abstract:

This dataset contains mineral chemical data of primary and alteration phases in mafic rocks (basalt and diabase) from the Langseth Ridge and Afanasenkov Seamount, two volcanic centers on the ultraslow-spreading Gakkel Ridge, Arctic Ocean. The samples were collected during R/V Polarstern Expeditions PS78 and PS101 and USCGC HEALY Expedition HLY0102. Major elemental compositions were collected via electron microprobe. Details on the analytical procedure can be found in Albers et al. (2024).

Keyword(s):

basalt; Gakkel ridge; Geochemistry; Mid-Ocean Ridge; Ultraslow-spreading; Volcanic center

Related to:

Albers, Elmar; Behrendt, Nele; Diehl, Alexander; Genske, Felix; Monien, Patrick; Kasemann, Simone A; Purser, Autun; Boetius, Antje; Bach, Wolfgang (2024): Formation and hydrothermal alteration of a volcanic center: Melt pooling and mass transfers at Langseth Ridge (Gakkel Ridge, Arctic Ocean). Marine Geology, 475, 107347, https://doi.org/10.1016/j.margeo.2024.107347

Coverage:

Median Latitude: 86.921499 * Median Longitude: 61.538958 * South-bound Latitude: 86.889330 * West-bound Longitude: 61.473333 * North-bound Latitude: 86.961667 * East-bound Longitude: 61.618330

Date/Time Start: 2001-09-01T21:31:00 * Date/Time End: 2016-10-07T02:56:00

Minimum Elevation: -3474.0 m * Maximum Elevation: -1970.2 m

Event(s):

HLY0102/D56 (D56) * Latitude Start: 86.961667 * Longitude Start: 61.473333 * Latitude End: 86.945000 * Longitude End: 61.585000 * Date/Time Start: 2001-09-01T21:31:00 * Date/Time End: 2001-09-01T22:49:00 * Elevation Start: -3474.0 m * Elevation End: -3085.0 m * Campaign: * Basis: Healy * Method/Device: Dredge (DRG) * Comment: MAPR/greenstone, diabase, basalt breccia; MAPR very tiny hint of LSS and temp peaks at 2300-2600 m

PS101/203-1 * Latitude Start: 86.890000 * Longitude Start: 61.618330 * Latitude End: 86.889330 * Longitude End: 61.479170 * Date/Time Start: 2016-10-07T02:30:00 * Date/Time End: 2016-10-07T02:56:00 * Elevation Start: -2010.6 m * Elevation End: -1970.2 m * Location: Arctic Ocean * Campaign: (ARK-XXX/3) * Basis: * Method/Device: Dredge, chain bag (DRG_C)

Comment:

Compositions of olivine with cations calculated on a basis of 4 O.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Albers, Elmar
2	Sample code/label	Sample label		Albers, Elmar
3	International Generic Sample Number	IGSN		Albers, Elmar
4	Silicon dioxide	SiO2	%	Albers, Elmar	Electron microprobe (EMP)
5	Chromium(III) oxide	Cr2O3	%	Albers, Elmar	Electron microprobe (EMP)
6	Iron oxide, FeO	FeO	%	Albers, Elmar	Electron microprobe (EMP)
7	Manganese oxide	MnO	%	Albers, Elmar	Electron microprobe (EMP)
8	Magnesium oxide	MgO	%	Albers, Elmar	Electron microprobe (EMP)
9	Calcium oxide	CaO	%	Albers, Elmar	Electron microprobe (EMP)
10	Total	Total	%	Albers, Elmar	Electron microprobe (EMP)
11	Silicon	Si	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
12	Chromium	Cr	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
13	Iron 2+ and 3+	Fe	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
14	Manganese	Mn	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
15	Magnesium	Mg	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
16	Calcium	Ca	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
17	Cations, sum	Cations	# of ions	Albers, Elmar	Electron microprobe (EMP)	cations per formula unit (pfu)
18	Magnesium/(Magnesium+Iron) ratio	Mg/(Mg+Fe)		Albers, Elmar	Calculated	XMg = Mg/(Fe + Mg)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

561 data points

Data

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

1 Event	2 Sample label	3 IGSN	4 SiO2 [%]	5 Cr2O3 [%]	6 FeO [%]	7 MnO [%]	8 MgO [%]	9 CaO [%]	10 Total [%]	11 Si [# of ions]	12 Cr [# of ions]	13 Fe [# of ions]	14 Mn [# of ions]	15 Mg [# of ions]	16 Ca [# of ions]	17 Cations [# of ions]	18 Mg/(Mg+Fe)
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.20	0.04	12.76	0.24	47.00	0.29	100.54	0.994	0.001	0.264	0.005	1.733	0.008	3.005	0.868
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.47	0.06	12.77	0.26	47.02	0.25	100.82	0.998	0.001	0.263	0.005	1.728	0.007	3.002	0.868
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.53	0.03	12.91	0.26	47.01	0.25	101.01	0.998	0.001	0.266	0.005	1.725	0.007	3.002	0.866
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.48	0.03	12.91	0.24	47.18	0.25	101.11	0.996	0.001	0.266	0.005	1.730	0.007	3.004	0.867
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.35	0.04	11.91	0.22	47.72	0.24	100.49	0.995	0.001	0.246	0.005	1.753	0.006	3.005	0.877
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.42	0.03	12.08	0.27	47.66	0.27	100.72	0.995	0.000	0.249	0.006	1.748	0.007	3.005	0.875
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.59	0.06	11.87	0.22	47.68	0.25	100.68	0.998	0.001	0.244	0.005	1.747	0.007	3.002	0.877
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.51	0.04	11.90	0.26	47.69	0.25	100.65	0.997	0.001	0.245	0.005	1.749	0.007	3.003	0.877
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.45	0.04	11.87	0.24	47.70	0.30	100.60	0.996	0.001	0.244	0.005	1.750	0.008	3.004	0.878
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.16	0.05	13.57	0.23	45.62	0.31	99.96	1.002	0.001	0.283	0.005	1.697	0.008	2.997	0.857
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.75	0.03	11.27	0.17	48.10	0.28	100.62	0.999	0.001	0.231	0.004	1.758	0.007	3.000	0.884
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	41.01	0.02	11.15	0.17	48.02	0.28	100.66	1.004	0.000	0.228	0.004	1.752	0.007	2.996	0.885
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.88	0.03	11.30	0.21	48.05	0.27	100.74	1.001	0.001	0.231	0.004	1.754	0.007	2.999	0.884
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.92	0.03	11.16	0.17	47.95	0.22	100.45	1.004	0.001	0.229	0.004	1.753	0.006	2.996	0.884
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.73	0.02	10.98	0.18	48.15	0.24	100.32	1.000	0.000	0.226	0.004	1.763	0.006	2.999	0.886
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	41.05	0.03	10.80	0.18	47.92	0.27	100.26	1.007	0.001	0.222	0.004	1.752	0.007	2.993	0.888
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.53	0.03	11.01	0.16	48.03	0.24	100.02	0.999	0.001	0.227	0.003	1.765	0.006	3.001	0.886
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.71	0.02	11.00	0.16	48.07	0.26	100.23	1.001	0.000	0.226	0.003	1.762	0.007	2.999	0.886
HLY0102/D56	HLY0102/D56-93	https://doi.org/10.58052/IEGAK000G	40.63	0.02	11.09	0.16	48.05	0.24	100.20	1.000	0.000	0.228	0.003	1.762	0.006	3.000	0.885
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	39.97	0.06	15.12	0.26	45.20	0.30	100.96	0.995	0.001	0.315	0.006	1.678	0.008	3.004	0.842
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.14	0.07	15.21	0.29	45.33	0.29	101.35	0.996	0.001	0.316	0.006	1.676	0.008	3.003	0.841
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.16	0.06	15.40	0.33	45.18	0.28	101.44	0.996	0.001	0.320	0.007	1.671	0.007	3.003	0.839
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	39.98	0.03	15.23	0.30	45.32	0.30	101.19	0.994	0.001	0.317	0.006	1.680	0.008	3.005	0.841
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	39.97	0.05	15.08	0.27	45.35	0.26	101.02	0.994	0.001	0.314	0.006	1.682	0.007	3.005	0.843
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.27	0.05	15.45	0.26	45.43	0.28	101.75	0.996	0.001	0.319	0.005	1.675	0.008	3.004	0.840
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.12	0.04	15.37	0.26	45.23	0.30	101.35	0.996	0.001	0.319	0.005	1.674	0.008	3.003	0.840
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.12	0.06	15.30	0.29	45.33	0.30	101.43	0.995	0.001	0.317	0.006	1.676	0.008	3.004	0.841
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.08	0.03	15.04	0.27	45.45	0.31	101.22	0.995	0.001	0.312	0.006	1.682	0.008	3.004	0.844
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	39.97	0.05	14.94	0.29	45.33	0.34	100.96	0.995	0.001	0.311	0.006	1.682	0.009	3.004	0.844
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.07	0.05	15.11	0.27	45.41	0.32	101.25	0.995	0.001	0.314	0.006	1.681	0.009	3.005	0.843
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.15	0.04	15.06	0.27	45.42	0.27	101.24	0.996	0.001	0.312	0.006	1.680	0.007	3.003	0.843
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.11	0.04	15.13	0.29	45.42	0.28	101.29	0.995	0.001	0.314	0.006	1.680	0.007	3.004	0.843
PS101/203-1	PS101/203-R1	https://doi.org/10.58052/IEGAK000G	40.17	0.02	15.13	0.30	45.39	0.30	101.31	0.996	0.000	0.314	0.006	1.679	0.008	3.003	0.842