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Albers, Elmar; Behrendt, Nele; Diehl, Alexander; Genske, Felix; Monien, Patrick; Kasemann, Simone A; Purser, Autun; Boetius, Antje; Bach, Wolfgang (2024): Major elemental compositions of feldspar in mafic rocks from the Langseth Ridge (Gakkel Ridge) [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.972362 (DOI registration in progress)

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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: 86.745533 * Median Longitude: 55.247167 * South-bound Latitude: 86.041667 * West-bound Longitude: 30.080000 * North-bound Latitude: 86.961667 * East-bound Longitude: 61.618330
Date/Time Start: 2001-08-27T21:54:00 * Date/Time End: 2016-10-07T02:56:00
Minimum Elevation: -4531.0 m * Maximum Elevation: -1970.2 m
Event(s):
HLY0102/D46 (D46)  * Latitude: 86.041667 * Longitude: 30.080000 * Date/Time Start: 2001-08-27T21:54:00 * Date/Time End: 2001-08-28T00:15:00 * Elevation: -4531.0 m * Campaign: HLY0102 * Basis: Healy * Method/Device: Dredge (DRG) * Comment: MAPR/~1000 lbs of greenstone and old basalt gravel, quartzite; sponges; MAPR small LSS peak ~3400 m.
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: HLY0102 * 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: PS101 (ARK-XXX/3) * Basis: Polarstern * Method/Device: Dredge, chain bag (DRG_C)
Comment:
Compositions of feldspar with cations calculated on a basis of 8 O.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventAlbers, Elmar
Sample code/labelSample labelAlbers, Elmar
International Generic Sample NumberIGSNAlbers, Elmar
Silicon dioxideSiO2%Albers, ElmarElectron microprobe (EMP)
Aluminium oxideAl2O3%Albers, ElmarElectron microprobe (EMP)
Iron oxide, FeOFeO%Albers, ElmarElectron microprobe (EMP)
Manganese oxideMnO%Albers, ElmarElectron microprobe (EMP)
Magnesium oxideMgO%Albers, ElmarElectron microprobe (EMP)
Calcium oxideCaO%Albers, ElmarElectron microprobe (EMP)
10 Sodium oxideNa2O%Albers, ElmarElectron microprobe (EMP)
11 Potassium oxideK2O%Albers, ElmarElectron microprobe (EMP)
12 TotalTotal%Albers, ElmarElectron microprobe (EMP)
13 SiliconSi# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
14 AluminiumAl# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
15 Iron 2+ and 3+Fe# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
16 ManganeseMn# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
17 MagnesiumMg# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
18 CalciumCa# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
19 SodiumNa# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
20 PotassiumK# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
21 Cations, sumCations# of ionsAlbers, ElmarElectron microprobe (EMP)cations per formula unit (pfu)
22 Calcium/(Calcium+Sodium) ratioCa/(Ca+Na)Albers, ElmarCalculatedXAn = Ca / (Ca+Na)
23 Sodium/(Calcium+Sodium) ratioNa/(Ca+Na)Albers, ElmarCalculatedXAb = Na / (Ca+Na)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1540 data points

Data

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


Event

Sample label

IGSN

SiO2 [%]

Al2O3 [%]

FeO [%]

MnO [%]

MgO [%]

CaO [%]
10 
Na2O [%]
11 
K2O [%]
12 
Total [%]
13 
Si [# of ions]
14 
Al [# of ions]
15 
Fe [# of ions]
16 
Mn [# of ions]
17 
Mg [# of ions]
18 
Ca [# of ions]
19 
Na [# of ions]
20 
K [# of ions]
21 
Cations [# of ions]
22 
Ca/(Ca+Na)
23 
Na/(Ca+Na)
HLY0102/D56 HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.2433.950.220.050.0916.542.07100.172.1651.8330.0090.0020.0060.8120.1840.0005.0110.8150.185
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.4334.170.300.050.0816.712.110.01100.872.1601.8340.0110.0020.0050.8150.1860.0005.0160.8140.186
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.4934.180.290.070.0916.932.11101.162.1591.8310.0110.0030.0060.8240.1860.0005.0190.8160.184
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.3134.130.290.030.0816.622.050.01100.522.1611.8380.0110.0010.0050.8140.1810.0005.0110.8180.182
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.6034.290.260.060.0816.542.040.01100.882.1651.8380.0100.0020.0050.8060.1800.0005.0060.8170.183
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.0134.460.270.050.0616.981.880.00100.712.1451.8530.0100.0020.0040.8300.1660.0005.0110.8330.167
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.1834.490.330.040.0617.001.840.00100.952.1481.8500.0130.0020.0040.8290.1620.0005.0080.8370.163
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G46.9734.450.300.030.0617.151.900.01100.872.1421.8520.0120.0010.0040.8380.1680.0005.0160.8330.167
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.1234.480.280.050.0616.911.860.01100.772.1481.8520.0110.0020.0040.8260.1640.0015.0080.8340.166
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.2734.420.290.030.0717.101.890.01101.072.1501.8450.0110.0010.0040.8330.1660.0005.0110.8340.166
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G46.8634.550.290.050.0616.971.860.01100.662.1401.8600.0110.0020.0040.8300.1650.0005.0120.8340.166
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G48.2033.770.280.040.0916.442.340.01101.182.1861.8050.0110.0020.0060.7990.2060.0015.0150.7950.205
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HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G48.1134.110.300.040.0916.562.260.01101.472.1761.8190.0110.0020.0060.8020.1980.0005.0140.8020.198
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.9834.230.290.040.0916.642.210.00101.502.1701.8250.0110.0010.0060.8060.1940.0005.0140.8060.194
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.9332.040.320.030.1016.712.170.0199.312.2171.7470.0120.0010.0070.8280.1940.0015.0070.8100.190
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G48.0832.170.310.1016.602.240.0099.502.2181.7490.0120.0000.0070.8210.2000.0005.0070.8040.196
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G48.5331.930.320.1116.282.390.0199.592.2351.7330.0120.0000.0080.8030.2130.0015.0050.7900.210
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.8831.640.280.1016.462.260.0298.662.2281.7350.0110.0000.0070.8210.2040.0015.0070.8010.199
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.8931.650.260.1116.082.390.0198.402.2321.7380.0100.0000.0070.8030.2160.0015.0070.7880.212
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.3232.070.280.1016.682.040.0298.512.2061.7620.0110.0000.0070.8330.1850.0015.0050.8180.182
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.5431.840.280.1016.482.190.0198.452.2171.7500.0110.0000.0070.8240.1980.0005.0070.8060.194
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.8931.780.250.1016.402.290.0298.732.2261.7410.0100.0000.0070.8170.2070.0015.0080.7980.202
HLY0102/D56HLY0102/D56-93https://doi.org/10.58052/IEGAK000G47.8032.060.240.010.1016.802.110.0199.152.2141.7500.0090.0000.0070.8340.1900.0015.0060.8140.186
PS101/203-1 PS101/203-R1https://doi.org/10.58052/IEGAK000A46.4434.070.360.020.1516.881.970.0199.932.1391.8490.0140.0010.0110.8330.1760.0015.0240.8260.174
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A46.2134.330.320.030.1516.931.910.0199.922.1291.8640.0120.0010.0100.8360.1710.0015.0240.8300.170
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A46.5334.420.320.010.1516.851.910.01100.242.1351.8610.0120.0000.0100.8280.1700.0015.0190.8300.170
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A50.5132.150.380.000.2114.313.520.02101.162.2791.7090.0140.0000.0140.6920.3080.0015.0190.6920.308
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A50.1331.740.390.020.2214.263.470.02100.302.2821.7020.0150.0010.0150.6950.3060.0015.0190.6940.306
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A50.4031.660.490.050.2413.793.680.03100.402.2911.6960.0190.0020.0160.6720.3240.0015.0220.6750.325
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A50.5731.180.670.030.3613.863.710.03100.472.2991.6710.0250.0010.0240.6750.3270.0025.0270.6740.326
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A50.4931.400.430.030.2213.953.610.02100.182.2991.6850.0160.0010.0150.6810.3190.0015.0170.6810.319
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A52.8430.770.520.010.1112.774.260.03101.372.3671.6240.0200.0000.0070.6130.3700.0025.0050.6240.376
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A52.6130.580.440.010.0913.014.210.03101.042.3661.6200.0160.0000.0060.6270.3670.0025.0070.6310.369
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A52.8130.790.440.010.0912.874.250.04101.342.3661.6260.0170.0000.0060.6180.3690.0025.0050.6260.374
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A51.4331.300.500.0913.843.900.03101.152.3191.6630.0190.0000.0060.6680.3410.0025.0190.6620.338
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A51.1731.760.660.1714.183.440.02101.482.3011.6830.0250.0000.0110.6830.3000.0015.0060.6950.305
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A50.6632.150.410.0814.513.290.03101.192.2841.7080.0160.0000.0050.7010.2870.0015.0040.7100.290
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A51.7431.370.480.020.0813.583.840.03101.212.3271.6630.0180.0010.0060.6550.3350.0025.0080.6620.338
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A51.3531.470.410.0813.723.660.03100.792.3191.6750.0160.0000.0060.6640.3200.0025.0030.6750.325
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A51.6531.400.480.010.1013.643.790.04101.152.3251.6660.0180.0000.0070.6580.3310.0025.0080.6650.335
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A56.5228.310.630.009.855.990.08101.492.5091.4810.0240.0000.0000.4690.5160.0045.0070.4760.524
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A56.5128.040.599.766.020.08101.102.5171.4720.0220.0000.0000.4660.5200.0045.0050.4730.527
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A56.8528.010.640.009.456.290.08101.452.5241.4660.0240.0000.0000.4500.5410.0045.0130.4540.546
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A48.2933.900.340.0416.102.380.02101.092.1891.8120.0130.0000.0030.7820.2100.0015.0100.7880.212
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A48.0534.090.420.020.0316.252.260.02101.192.1791.8210.0160.0010.0020.7890.1990.0015.0090.7990.201
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A48.3933.790.400.0216.092.360.03101.132.1931.8050.0150.0000.0020.7820.2070.0025.0070.7910.209
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A47.9434.170.370.0216.442.120.01101.102.1751.8270.0140.0000.0020.7990.1860.0005.0040.8110.189
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A49.0833.310.380.0515.642.700.02101.202.2201.7760.0140.0000.0040.7580.2360.0015.0100.7630.237
PS101/203-1PS101/203-R1https://doi.org/10.58052/IEGAK000A48.9432.600.700.030.2915.212.730.05100.592.2301.7510.0270.0010.0200.7420.2410.0035.0150.7550.245
HLY0102/D56HLY0102/D56-79https://doi.org/10.58052/IEGAK000E67.9421.450.010.040.020.7810.160.16100.562.9431.0950.0000.0010.0010.0360.8530.0094.9400.0400.960
HLY0102/D56HLY0102/D56-79https://doi.org/10.58052/IEGAK000E67.9321.360.080.150.4510.760.06100.812.9401.0890.0030.0000.0100.0210.9030.0034.9690.0230.977
HLY0102/D56HLY0102/D56-79https://doi.org/10.58052/IEGAK000E68.4221.290.020.040.6410.690.05101.172.9491.0810.0010.0010.0000.0300.8930.0034.9580.0330.967
HLY0102/D56HLY0102/D56-79https://doi.org/10.58052/IEGAK000E68.7420.610.030.020.2111.030.05100.712.9731.0510.0010.0010.0000.0100.9250.0034.9640.0110.989
HLY0102/D56HLY0102/D56-79https://doi.org/10.58052/IEGAK000E68.2220.970.020.010.2410.540.07100.072.9651.0740.0000.0010.0010.0110.8880.0044.9440.0120.988
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HLY0102/D56HLY0102/D56-79https://doi.org/10.58052/IEGAK000E67.1120.420.150.050.5210.390.1498.812.9621.0620.0060.0000.0030.0250.8890.0084.9550.0270.973
HLY0102/D46 HLY0102/D46-88https://doi.org/10.58052/IEGAK000J69.2120.880.190.2810.580.04101.182.9761.0580.0070.0000.0000.0130.8820.0024.9370.0150.985
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HLY0102/D46HLY0102/D46-88https://doi.org/10.58052/IEGAK000J69.2821.340.330.010.3310.740.03102.112.9571.0740.0120.0000.0010.0150.8890.0024.9500.0170.983
HLY0102/D46HLY0102/D46-88https://doi.org/10.58052/IEGAK000J68.8721.230.180.070.3410.400.02101.162.9621.0760.0060.0030.0000.0160.8670.0014.9320.0180.982
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