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Almeev, Renat; Holtz, François; Koepke, Jürgen; Haase, Karsten M; Devey, Colin W (2009): Crystallization conditions and compositions of residual melts from the Mid Atlantic Ridge near Ascension Island [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.727431, In: Almeev, R et al. (2009): Geochemical composition and crystallization conditions of melts from the Mid Atlantic Ridge near Ascension Island (7-11°S) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.727453

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Related to:
Almeev, Renat; Holtz, François; Koepke, Jürgen; Haase, Karsten M; Devey, Colin W (2008): Depth of partial crystallization of H2O-bearing MORB: Phase equilibria simulations of basalts at the MAR near Ascension Island (7-11°S). Journal of Petrology, 49, 25-45, https://doi.org/10.1093/petrology/egm068
Funding:
German Research Foundation (DFG), grant/award no. 5471797: From Mantle to Ocean: Energy-, Material- and Life-cycles at Spreading Axes
Coverage:
Median Latitude: -9.010927 * Median Longitude: -13.347990 * South-bound Latitude: -10.887800 * West-bound Longitude: -13.616200 * North-bound Latitude: -7.665800 * East-bound Longitude: -13.021800
Minimum Elevation: -3991.0 m * Maximum Elevation: -1477.0 m
Event(s):
M41/2_132  * Latitude Start: -7.665800 * Longitude Start: -13.456000 * Latitude End: -7.674500 * Longitude End: -13.450800 * Elevation Start: -3925.0 m * Elevation End: -3991.0 m * Location: Mid-Atlantic Ridge at 4-11°S * Campaign: M41/2 * Basis: Meteor (1986) * Method/Device: Dredge (DRG) * Comment: Mid Atlantic Ridge, south of Ascension Fracture Zone, segment A1
M41/2_133  * Latitude Start: -7.718000 * Longitude Start: -13.444000 * Latitude End: -7.726000 * Longitude End: -13.424200 * Elevation Start: -3980.0 m * Elevation End: -3809.0 m * Location: Mid-Atlantic Ridge at 4-11°S * Campaign: M41/2 * Basis: Meteor (1986) * Method/Device: Dredge (DRG) * Comment: Mid Atlantic Ridge, south of Ascension Fracture Zone, segment A1
M41/2_136  * Latitude Start: -7.772500 * Longitude Start: -13.431500 * Latitude End: -7.774200 * Longitude End: -13.435200 * Elevation Start: -3727.0 m * Elevation End: -3719.0 m * Location: Mid-Atlantic Ridge at 4-11°S * Campaign: M41/2 * Basis: Meteor (1986) * Method/Device: Dredge (DRG) * Comment: Mid Atlantic Ridge, south of Ascension Fracture Zone, segment A1
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEvent
Sample code/labelSample labelAlmeev, Renat
CommentCommentAlmeev, Renat
Degree of fractionationfract deg%Almeev, RenatCalculated, see reference(s)
PressurePbarAlmeev, RenatCalculated, see reference(s)
Temperature, technicalT tech°CAlmeev, RenatCalculated, see reference(s)
Water in rockH2O%Almeev, RenatCalculated, see reference(s)
Fugacity of oxygen, logarithmlog fO2Almeev, RenatCalculated, see reference(s)
OlivineOl%Almeev, RenatCalculated, see reference(s)
10 PlagioclasePl%Almeev, RenatCalculated, see reference(s)
11 ClinopyroxeneCpx%Almeev, RenatCalculated, see reference(s)
12 ForsteriteFo%Almeev, RenatCalculated, see reference(s)
13 AnorthiteAn%Almeev, RenatCalculated, see reference(s)
14 Magnesium numberMg#Almeev, RenatCalculated, see reference(s)
15 Silicon dioxideSiO2%Almeev, RenatCalculated, see reference(s)
16 Titanium dioxideTiO2%Almeev, RenatCalculated, see reference(s)
17 Aluminium oxideAl2O3%Almeev, RenatCalculated, see reference(s)
18 Iron oxide, FeOFeO%Almeev, RenatCalculated, see reference(s)
19 Manganese oxideMnO%Almeev, RenatCalculated, see reference(s)
20 Magnesium oxideMgO%Almeev, RenatCalculated, see reference(s)
21 Calcium oxideCaO%Almeev, RenatCalculated, see reference(s)
22 Sodium oxideNa2O%Almeev, RenatCalculated, see reference(s)
23 Potassium oxideK2O%Almeev, RenatCalculated, see reference(s)
24 Phosphorus pentoxideP2O5%Almeev, RenatCalculated, see reference(s)
25 Water in rockH2O%Almeev, RenatCalculated, see reference(s)
26 Method commentMethod commAlmeev, Renat
Size:
1960 data points

Data

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


Event

Sample label

Comment

fract deg [%]

P [bar]

T tech [°C]

H2O [%]

log fO2

Ol [%]
10 
Pl [%]
11 
Cpx [%]
12 
Fo [%]
13 
An [%]
14 
Mg#
15 
SiO2 [%]
16 
TiO2 [%]
17 
Al2O3 [%]
18 
FeO [%]
19 
MnO [%]
20 
MgO [%]
21 
CaO [%]
22 
Na2O [%]
23 
K2O [%]
24 
P2O5 [%]
25 
H2O [%]
26 
Method comm
M41/2_140 50.021.0316.049.090.188.9512.192.220.070.22Segment A1 (starting composition 140DS2)
M41/2_132 M41/2_132_DS2Segment A1146100.001229.00.0-7.6014.049.036.085.076.087.00050.321.1615.4110.040.208.5111.682.340.080.260.0
M41/2_132M41/2_132_DS5Segment A1165900.001226.00.0-7.7010.046.044.084.075.087.00050.371.1915.3410.190.208.4011.612.360.080.260.0
M41/2_132M41/2_132_DS6Segment A1175200.001220.00.0-7.8010.051.040.084.075.086.00050.481.2115.0910.240.208.3211.772.350.080.260.0
M41/2_133 M41/2_133_DS1Segment A1136100.001229.00.0-7.6013.046.040.084.073.087.00049.411.2815.2410.210.228.4912.022.660.160.310.0
M41/2_136 M41/2_136_DS1Segment A1184400.001213.00.0-7.906.038.056.084.074.086.00050.621.2314.8010.270.208.2111.982.340.080.270.0
M41/2_136M41/2_136_DS3Segment A1164800.001205.00.5-8.007.039.053.084.076.086.00050.511.1915.4410.050.208.0711.832.380.080.260.6
M41/2_137 M41/2_137_DS2Segment A1125650.001229.00.0-9.6018.053.029.084.075.087.00050.401.1515.339.800.208.4812.012.310.080.250.0
M41/2_137M41/2_137_DS3Segment A1145550.001227.00.0-9.706.037.057.084.074.086.00050.461.1815.269.930.208.3711.952.330.080.260.0
M41/2_137M41/2_137_DS4Segment A1125600.001229.00.0-9.607.040.053.084.075.087.00050.431.1615.279.800.208.4712.062.300.080.250.0
M41/2_138 M41/2_138_DS1Segment A1136000.001208.01.0-7.8013.050.037.084.078.087.00050.291.1416.109.820.198.1311.612.400.080.251.1
M41/2_138M41/2_138_DS2Segment A1133300.001177.01.0-8.4014.048.039.084.078.086.00049.171.1815.409.670.197.8412.402.340.080.251.1
M41/2_139 M41/2_139_DS2Segment A1234200.001213.00.2-9.9013.047.040.083.072.085.00050.761.2914.8310.540.217.8611.742.410.090.280.3
M41/2_139M41/2_139_DS3Segment A1224200.001211.00.0-9.907.041.052.082.072.085.00050.791.2814.7310.440.217.8911.902.390.090.280.0
M41/2_141 M41/2_141_DS2Segment A1134100.001202.00.5-8.0011.049.040.084.076.087.00050.591.1815.149.800.208.1712.292.310.080.250.6
M41/2_142 M41/2_142_DS1Segment A1115700.001228.00.0-7.606.039.055.085.076.088.00050.331.1415.319.820.198.6211.972.290.080.250.0
M41/2_142M41/2_142_DS3Segment A1115600.001229.00.0-8.6010.044.046.084.076.087.00050.401.1515.249.760.198.5512.102.290.080.250.0
M41/2_142M41/2_142_DS4Segment A1116200.001232.00.0-7.605.038.057.085.077.088.00050.251.1315.519.840.198.6611.792.310.080.250.0
M41/2_142M41/2_142_DS7Segment A1115800.001229.00.0-7.606.038.057.085.076.088.00050.321.1415.349.820.198.6311.942.300.080.250.0
M41/2_144 M41/2_144_DS1Segment A1313200.001193.00.0-8.209.047.045.081.069.083.00050.981.4114.1811.350.227.4511.552.450.100.320.0
M41/2_145 M41/2_145_DS1Segment A1332700.001188.00.0-8.3010.048.043.080.068.082.00051.081.4513.9911.520.227.3011.552.460.100.330.0
M41/2_145M41/2_145_DS4Segment A1422400.001176.00.0-8.408.046.046.077.064.079.00051.231.6013.7212.520.236.7310.922.560.110.380.0
M41/2_145M41/2_145_DS2Segment A1323300.001184.00.2-8.309.047.044.080.070.082.00051.011.4214.4311.380.227.2511.372.510.100.320.3
M41/2_146 M41/2_146_DS1Segment A1154700.001218.00.0-7.807.040.052.084.075.087.00050.551.2014.9010.060.208.3712.092.310.080.260.0
M41/2_146M41/2_146_DS2Segment A1204800.001215.00.0-7.809.045.047.083.074.086.00050.571.2414.9410.460.218.1511.702.380.090.270.0
M41/2_161 50.441.1816.119.680.188.1511.342.560.100.25Segment A2 (starting composition 161DS1)
M41/2_147 M41/2_147_DS1Segment A2232500.001186.00.0-8.301.038.060.080.067.082.00051.401.4913.9911.270.217.2211.532.600.110.170.0
M41/2_147M41/2_147_DS3Segment A2107900.001236.00.0-7.400.035.065.073.086.00050.561.2316.0410.420.198.0110.632.680.100.140.0
M41/2_147M41/2_147_DS4Segment A2163000.001179.00.5-8.408.044.048.081.071.084.00051.251.3814.7610.600.207.3011.652.610.110.160.6
M41/2_148 M41/2_148_DS1Segment A2272000.001170.00.7-8.501.041.058.079.066.081.00051.531.5514.0611.530.216.8411.312.680.120.180.3
M41/2_148M41/2_148_DS4Segment A2322200.001176.00.0-8.409.049.042.078.063.080.00051.561.6313.7412.100.226.7211.032.690.130.190.0
M41/2_149 M41/2_149_DS1Segment A2392200.001157.00.2-8.704.041.055.075.061.077.00051.701.7413.9412.760.226.1110.342.850.140.210.3
M41/2_149M41/2_149_DS2Segment A2402300.001156.00.2-8.704.042.054.075.061.077.00051.721.7613.9112.880.226.0510.262.860.140.220.3
M41/2_149M41/2_149_DS4Segment A2392200.001140.00.5-8.906.042.052.074.063.076.00051.801.7214.3612.590.215.8510.192.940.140.210.8
M41/2_152 M41/2_152_DS1Segment A2155000.001211.00.0-7.902.043.055.082.071.085.00050.941.3414.9610.730.207.7611.192.610.100.150.0
M41/2_152M41/2_152_DS2Segment A2135100.001208.00.2-7.905.041.054.083.072.085.00050.921.3115.1710.540.197.7411.262.610.100.150.2
M41/2_153 M41/2_153_DS1Segment A2253800.001194.00.0-8.109.044.047.080.067.082.00051.261.4914.4111.510.217.1810.982.690.120.170.0
M41/2_153M41/2_153_DS3Segment A2212900.001182.00.2-8.304.040.056.081.068.083.00051.341.4514.3711.050.207.2111.472.630.110.170.2
M41/2_154 M41/2_154_DS1Segment A2262900.001177.00.5-8.409.046.045.079.067.081.00051.411.5114.3311.480.216.9411.122.700.120.180.3
M41/2_155 M41/2_155_DS1Segment A226500.001221.00.5-7.707.025.068.085.076.087.00050.541.1815.929.820.188.2211.392.540.090.130.5
M41/2_156 M41/2_156_DS1Segment A297800.001231.00.2-7.500.034.066.074.086.00050.551.2216.1510.320.197.9710.692.670.100.140.2
M41/2_156M41/2_156_DS4Segment A2157800.001230.00.0-7.501.036.063.083.072.085.00050.591.2815.9910.850.207.8810.212.750.100.150.0
M41/2_158 M41/2_158_DS1Segment A2172900.001174.00.5-8.4012.048.039.081.071.083.00051.311.3914.6810.650.207.2211.682.620.110.160.6
M41/2_158M41/2_158_DS2Segment A2192900.001172.00.5-8.404.039.058.081.070.083.00051.331.4214.6910.800.207.1211.532.650.110.160.6
M41/2_159 M41/2_159_DS2Segment A2245700.001201.00.2-7.909.045.046.080.069.083.00051.041.4315.2511.440.217.1910.382.790.120.170.3
M41/2_161_DS2Segment A246400.001219.00.5-7.701.032.067.084.075.087.00050.561.2015.959.940.188.1211.262.570.090.140.5
M41/2_161_DS3Segment A248600.001248.00.0-7.300.00.0100.087.00050.521.1816.159.950.188.1111.082.600.090.140.0
M41/2_162 M41/2_162_DS1Segment A2242900.001179.00.2-8.404.041.056.080.067.082.00051.381.4914.3711.310.217.0511.252.670.110.170.3
M41/2_162M41/2_162_DS2Segment A2272000.001156.00.5-8.705.043.052.079.067.080.00051.581.5314.4011.420.206.6211.212.740.120.180.7
M41/2_163 M41/2_163_DS1Segment A2183400.001179.00.5-8.304.038.058.081.071.083.00051.221.3914.9010.770.207.2211.382.660.110.160.6
M41/2_164 M41/2_164_DS1Segment A2223600.001176.00.5-8.4011.050.040.080.070.082.00051.281.4414.9211.090.207.0111.082.720.110.170.6
M41/2_169 50.431.7114.7810.730.196.9611.762.830.280.33Segment A3 (starting composition 169DS2)
M41/2_166 M41/2_166_DS1Segment A3202000.001126.01.0-9.002.038.059.076.064.077.00050.611.9914.6912.040.195.8710.763.110.340.411.2
M41/2_166M41/2_166_DS2Segment A3381600.001126.00.7-9.105.047.047.070.053.071.00050.452.4413.3714.040.215.2610.163.120.420.530.5
M41/2_166M41/2_166_DS4Segment A3322400.001124.00.7-9.006.041.053.072.058.073.00050.522.2314.4013.240.205.389.913.260.390.481.0
M41/2_169_DS1Segment A342800.001162.00.7-8.601.034.065.080.067.082.00050.441.7614.6111.030.196.8811.592.860.290.340.7
M41/2_171 M41/2_171_DS1Segment A3142400.001149.00.7-8.706.044.049.078.064.079.00050.511.9114.4911.710.206.3911.122.980.320.380.8
M41/2_172 M41/2_172_DS1Segment A3212600.001129.01.0-9.003.038.060.075.064.077.00050.551.9914.9112.140.195.8310.473.160.340.411.2
M41/2_172M41/2_172_DS3Segment A3253400.001146.00.7-9.205.041.054.074.061.076.00050.472.0614.7812.570.205.8110.103.210.360.440.9
M41/2_173 M41/2_173_DS1Segment A3212500.001128.01.0-9.004.037.059.075.064.077.00050.582.0014.8212.130.195.8310.563.150.340.411.2
M41/2_173M41/2_173_DS2Segment A3271800.001100.01.0-9.405.043.053.073.061.074.00050.882.1514.3612.450.185.2510.743.170.370.451.4
M41/2_174 M41/2_174_DS1Segment A3232700.001126.01.0-9.003.041.056.075.063.076.00050.562.0214.9212.310.195.7310.313.200.350.421.3
M41/2_174M41/2_174_DS4Segment A3262500.001120.01.0-9.103.041.057.074.062.075.00050.592.0814.8712.540.195.5410.153.250.360.441.3
M41/2_188 M41/2_188_DS1Segment A3132600.001139.01.0-8.806.041.053.078.066.079.00050.531.8814.8111.540.196.2711.073.020.320.381.1
M41/2_188M41/2_188_DS3Segment A3282000.001113.01.0-9.208.046.045.073.061.074.00050.652.1414.6712.690.195.4010.213.250.370.451.4
M41/2_189 M41/2_189_DS1Segment A3302000.001110.01.0-9.307.046.047.072.060.073.00050.662.1814.6512.860.195.2710.083.280.380.461.4
M41/2_190 M41/2_190_DS2Segment A3342500.001121.00.7-9.104.041.055.071.057.072.00050.522.2714.3713.440.205.269.773.290.400.491.0
M41/2_190M41/2_190_DS3Segment A3262100.001117.01.0-9.204.040.056.074.062.075.00050.642.1014.6912.520.195.5210.343.210.360.441.3
M41/2_190M41/2_190_DS4Segment A3113000.001167.00.5-8.5020.058.022.079.065.081.00050.411.8614.4711.580.206.7011.172.940.310.370.6
M41/2_191 M41/2_191_DS1Segment A3391800.001075.01.0-9.705.044.051.067.056.068.00050.992.4314.3513.490.174.439.803.390.430.531.6
M41/2_191M41/2_191_DS2Segment A3452000.001111.00.5-9.208.049.043.066.051.067.00050.332.6013.7814.820.204.719.173.340.470.590.9
M41/2_199 50.431.0015.629.160.188.5412.572.200.070.23Segment A4 (starting composition 199DS2)
M41/2_194 M41/2_194_DS1Segment A4174700.001209.00.2-7.9012.047.041.083.074.086.00050.721.1515.0810.370.208.0311.732.370.080.280.2
M41/2_195 M41/2_195_DS1Segment A4104800.001215.00.2-7.809.043.048.085.076.087.00050.581.0815.209.870.198.3712.072.290.080.260.2
M41/2_195M41/2_195_DS2Segment A484800.001217.00.2-7.807.042.050.085.077.087.00050.551.0715.219.740.198.4712.182.260.080.250.2
M41/2_198 M41/2_198_DS1Segment A4132600.001195.00.2-8.209.047.044.084.074.086.00050.961.1514.449.990.208.0712.612.250.080.270.2
M41/2_198M41/2_198_DS3Segment A4202300.001187.00.2-8.304.039.057.082.073.084.00051.091.2114.3510.500.207.7212.242.330.090.290.2
M41/2_198M41/2_198_DS5Segment A4202900.001191.00.2-8.2014.049.037.082.073.085.00051.021.2114.4910.520.207.7512.102.350.090.290.2
M41/2_201 M41/2_201_DS5Segment A4152700.001175.00.7-8.403.035.062.083.076.085.00050.961.1514.9810.020.197.6912.332.330.080.270.8
M41/2_202 M41/2_202_DS3Segment A483600.001198.00.5-8.105.039.056.085.077.087.00050.721.0815.089.640.198.2312.502.250.080.250.5
M41/2_202M41/2_202_DS4Segment A473100.001189.00.7-8.2023.062.015.085.077.087.00050.761.0715.109.520.198.1312.662.240.070.250.8
M41/2_203 M41/2_203_DS1Segment A4142300.001192.00.2-8.3012.048.040.083.074.086.00051.021.1614.3410.040.208.0012.652.250.080.270.2
M41/2_203M41/2_203_DS2Segment A494400.001218.00.0-7.803.037.060.085.076.087.00050.641.0914.909.820.198.4912.302.250.080.250.0
M41/2_203M41/2_203_DS3Segment A4144000.001212.00.0-7.9010.051.039.084.074.086.00050.761.1314.7310.160.208.2512.132.290.080.270.0