zone =
Données géochimiques des échantillons de type "Magmatisme ancien" du domaine "Europe" :
| Centre
Paris-Saclay
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Univ. Paris-Saclay

Données géochimiques des échantillons de type "Magmatisme ancien" du domaine "Europe" :



Jean-Louis JORON et Michel TREUIL
Laboratoire Pierre Süe
Centre d’Études de Saclay – France
Laboratoire Pierre Sue

Les analyses en éléments traces fournies ci-dessous concernent des roches prélevées par carottage terrestre, dragage ou forage océanique profond. Elles ont toutes été réalisées par la même technique : l’analyse par activation neutronique purement instrumentale(*) et en utilisant les mêmes données standards de calibration. La technique a été développée au Laboratoire Pierre Süe (CE Saclay).
*sans nécessité de mise en solution, source d'imprécisions dans le cas d'analyse de roches, du fait de la présence de minéraux "non solubles".

Référence :

Lexique :

  • CAB : calk-alkaline basalt / Basaltes calco-alcalins
  • CFB (Continental Flood Basalt) ou Trapps,
  • MORB : Middle Oceanic Ridge Basalt / Basaltes des rides médio-océaniques
  • OIB : Ocean Island Basalt / Basaltes des îles océaniques intraplaques
  • Subduction : roches issues de zones de subduction, lieu de destruction de la croûte océanique. Lorsqu’une plaque se heurte à une autre plaque, elle retourne dans le manteau en formant une zone de suduction.
  • Volcanisme d’arc insulaire : les arcs insulaires, répartis en bordure des zones de subduction, résultent de la formation de nouvelle croûte similaire à celle des continents
  • Volcanisme arrière-arc : en arrière d'un arc insulaire, formation de petits bassins dits "arrière-arcs". L’ouverture de ces bassins serait le signe précurseur de la formation d’un bassin océanique.
  • Ophiolite : roches correspondant à la lithosphère océanique, charriée sur un continent par obduction lors de la convergence de deux plaques lithosphériques
  • Magmatisme ancien Magmatisme antérieur à la tectonique des plaques actuelle (antérieur à 500 millions d'années)
    • Archéen : éon précédent le Protérozoïque (de - 4 à - 2.5 milliards d’années).
    • Basalte : roche magmatique rapidement refroidie. C'est le constituant principal de la croûte océanique.
    • Protérozoïque : éon (ou période géochronologique) de la fin du précambrien (de - 2,5 à - 0,541 milliards d’années).
    • Komatiite : roches témoins direct du manteau archéen à olivine et pyroxène.
    • Gabbro : roche magmatique, constituant principal de la couche inférieure de la croûte océanique.
    • Ophite : roche magmatique intermédiaire entre le gabbro et le basalte, qui résulte de la cristallisation d'un magma sans contact avec l'atmosphère .
  • Birimien : âge stratigra^phique équivalent à l'époque paléoprotérozoïque du précambrien (-2.5 à -1.6 Milliards d'années).
  • Les roches de cet âge morceau de croûte terrestre (terrane), essentiellement composé de granites alcalins, agrégé à l'aire continentale sud (craton) de l'Afrique de l'Ouest, âgé de
  • Shale : roche sédimentaire n'ayant pas subi de transformation (métamorphisme) et censée représenter la composition de la croûte continentale primitive.
  • Chondrite et achondrite : météorites avec ou sans "chondres", petites billes composées de silicates, traduisant leur origine primitive ou issue d'astéroïdes.
Echelle des temps géologiques du BRGM.

NB : les références des échantillons suivies de "(d)" indiquent de nouvelles analyses sur des échantillons, précédemment analysés.

TypeDomaineZoneLieuMissionMethode, Age, Eruption, CommentaireFichier localisationÉchantillon / SampleScCrCoNiRbSrZrSbCsBaLaCeNdSmEuTbYbHfTaThUWAsMoBrAu (ppb)Ag (ppb)ZnNa (%)Fe (%)
Magmatisme ancienEuropeFinlandeKuhmoKomatiites Finlande (2.7 Ga) - * Contamination W par broyage772943.4097181.60347.00.60072580.950.018.32.07.11.610.650.3601.51.1700.3300.180.03259332.236.25
Magmatisme ancienEuropeFinlandeKuhmoKomatiites Finlande (2.7 Ga) - * Contamination W par broyage7713542.0059656.50135.00.500179371.140.07.11.75.01.370.560.3231.40.8870.1820.120.0581162.137.14
Magmatisme ancienEuropeFinlandeKuhmoKomatiites Finlande (2.7 Ga) - * Contamination W par broyageS37133.801883.907.03.400213510.480.529.16.311.68.11.820.710.2941.01.5800.2780.90.1698.0.890.5401.4811.9
Magmatisme ancienEuropeFinlandeSuomussalmiKomatiites Finlande (2.7 Ga) - * Contamination W par broyageS20912.405428138.801256.00.500211.880.30.51.14.44.20.430.170.0900.50.3660.0380.200.065.80.476.84
Magmatisme ancienEuropeFinlandeSuomussalmiKomatiites Finlande (2.7 Ga) - * Contamination W par broyageS25236.7027954.20210.010.900182420.290.753.71.43.54.41.490.770.3591.61.0300.1560.160.05671.47451.648.76
Magmatisme ancienEuropeFinlandeSuomussalmiKomatiites Finlande (2.7 Ga) - * Contamination W par broyageS9940.2095557.40210.04.300281280.230.3511.93.430.90.380.2051.00.6270.1220.330.10693.31.50.568.06
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L1) 1012827.80180373.70675.00.70010281.20.35.11.03.22.81.060.380.2611.10.8900.0880.150.012.490.817.76
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L2) 1012937.50113457.10255.00.400189310.940.129.12.06.44.91.620.630.3641.61.1300.1140.190.030.922.72.637.50
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L2) 10129 (d)36.60120755.40247.00.600172410.90.126.72.15.251.60.620.3581.51.1800.1130.180.070.40.832.3482.527.37
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L3) 1013036.1076156.60254.00.8209300.690.17.90.42.42.71.270.510.3511.51.0300.1110.160.040.691.998.28
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L4) 1013134.8079859.10294.00.70010370.680.113.40.82.43.21.410.480.3701.61.0600.1080.180.071.092.017.99
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L5) 1013237.7081662.50308.00.4007380.660.118.61.11.93.31.30.50.3841.51.0100.1280.140.070.563.52.228.35
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L6) 1013337.3068856.30240.00.9406310.660.111.11.33.03.81.480.550.3851.61.0800.1210.170.061.22472.208.09
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L7) 1013437.2048152.80178.00.300126490.630.115.91.33.841.680.50.4522.11.6500.1660.240.080.652.838.04
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L8) 1013540.104253101.801084.00.5008290.680.319.81.44.34.21.140.420.2511.61.1100.1110.190.040.731.62390.7911.9
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(L9) 1013641.7024547.60108.01.100122420.850.7322.35.25.41.830.880.4291.71.4600.1520.260.081.363.987.92
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(U1) 1055337.6066754.90182.00.35083340.90.218.11.73.94.51.580.570.3731.61.1100.1080.150.071.08513.078.27
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(U2) 1055437.7048353.40163.00.63092370.980.118.71.33.041.480.580.3651.71.1200.1150.180.040.853.247.97
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(U3) 1055540.70245582.00486.00.65011290.710.32.31.14.63.21.290.490.3471.71.0500.1060.170.051.220.659.39
Magmatisme ancienEuropeFinlandeSiivikkovaaraKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf(U4) 1055626.20141779.90864.00.4008330.520.31.71.03.62.80.980.20.2261.10.7800.0720.110.050.890.70.487.30
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga) - * Contamination W par broyagekomatiites_tipasjarvi_siivikkovaara_Finlande.pdf7911126.30285282.101113.00.20023200.280.20.50.42.81.60.590.210.1490.80.5020.0590.060.02190.466.96
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7911325.80278383.101128.00.11019300.30.00.50.32.720.620.240.1650.80.4540.0390.070.000.507.13
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7911325.40257784.401114.00.10020200.260.180.43.41.90.60.20.1550.70.3770.0400.110.010.547.69
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga) - * Contamination W par broyagekomatiites_tipasjarvi_siivikkovaara_Finlande.pdf7911531.10283796.60909.00.12015250.140.00.50.32.72.10.820.310.2071.00.6030.1720.080.01730.558.51
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7911917.10213888.201658.00.500126110.280.20.50.82.52.30.590.250.1050.50.2870.0350.040.030.476.76
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919322.20293785.401244.00.5007200.310.110.20.82.80.620.280.1640.80.5070.0420.080.000.1500.506.99
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919422.30282290.601394.00.6009100.510.24.80.73.40.630.260.1460.80.4300.0440.070.003.50.537.03
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919525.10251384.301098.00.500200.410.117.60.52.30.650.190.1440.80.5000.0430.090.030.537.19
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919524.80245783.001089.00.500260.430.111.80.62.90.640.220.1430.80.4500.0440.080.030.547.11
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919627.60254088.901157.00.600200.130.00.50.62.40.690.240.1580.80.6500.0530.070.030.50.597.92
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga) - * Contamination W par broyagekomatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919626.90262684.501112.00.500300.140.02.20.41.80.660.270.1570.80.5700.1990.050.01530.517.69
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdf7919722.00236487.901300.00.500250.30.115.70.82.90.780.30.1730.80.5160.0450.100.010.576.87
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdfS83322.70201180.201133.00.50035281.370.16.20.93.12.30.730.280.1690.80.4610.0410.060.017.40.497.36
Magmatisme ancienEuropeFinlandeTipasjarviKomatiites Finlande (2.7 Ga)komatiites_tipasjarvi_siivikkovaara_Finlande.pdfS83423.00262184.301165.00.60027250.40.115.50.93.02.10.730.280.1760.80.4200.0480.070.046.40.547.14
TypeDomaineZoneLieuMissionMethode, Age, Eruption, CommentaireFichier localisationÉchantillon / SampleScCrCoNiRbSrZrSbCsBaLaCeNdSmEuTbYbHfTaThUWAsMoBrAu (ppb)Ag (ppb)ZnNa (%)Fe (%)
Magmatisme ancienEuropeFranceLimousin (Corrèze)Route de SGraniteTJ96.80858.4045.6203.0004922620.178.132770.7142.354.9.241.680.6691.17.1101.27130.05.8126.91.11112.822.78
Magmatisme ancienEuropeFranceLimousin (Corrèze)St MexanGraniteTJ163.80183.8012.469.9007581700.836.4123933.563.323.3.680.930.2950.84.8000.56911.92.140.42.150.30.3453.71.25
Magmatisme ancienEuropeFranceLimousin (Corrèze)St MexanGraniteTJ16 (d)3.96183.9112.472.2007631920.836.6128135.066.921.3.7710.3090.94.8200.61013.52.62.220.10.2443.521.31
Magmatisme ancienEuropeFranceLimousin (Corrèze)La Roche sGraniteTJ186.80143.7013.2131.000802470.154.573532.977.537.8.561.091.2753.77.2101.09312.02.63.850.70.4732.651.99
Magmatisme ancienEuropeFranceLimousin (Corrèze)Face à CorGraniteTJ266.10186.2013.1102.00011692040.0633.6155348.592.6314.611.320.3410.95.1100.85116.23.910.22.160.50.8523.622.03
Magmatisme ancienEuropeFranceLimousin (Corrèze)Face à CorGraniteTJ26 (d)6.30206.4512.5105.00011962140.0783.7162044.398.3304.711.520.3711.05.3400.94417.53.932.140.40.7503.042.09
Magmatisme ancienEuropeFranceLimousin (Corrèze)Pont de NeGraniteTJ103.50223.519.6289.0001182350.129.051650.9122.948.10.61.020.8150.96.7000.87134.88.670.62.481.10.30.488832.41.4
Magmatisme ancienEuropeFranceLimousin (Corrèze)EstivauxGraniteTJ194.50313.9823.6173.0004941650.0855.381730.262.825.5.061.220.4291.04.7600.64814.1911.00.20.3583.431.25
Magmatisme ancienEuropeFranceLimousin (Corrèze) Mérignac GraniteTJ113.20142.439.0214.0001761690.0479.966539.00.05.040.0004.3101.08620.87.322.711.17
Magmatisme ancienEuropeFranceLimousin (Corrèze) Mérignac GraniteTJ11 (d)3.33112.619.6222.0001801880.05410.369142.787.232.5.110.950.3520.64.7201.17022.97.841.370.7255542.861.23
Magmatisme ancienEuropeFranceLimousin (Corrèze)Mérignac (GraniteTJ123.20162.0316.2315.0001191680.06418.443135.575.329.4.870.770.4770.64.2902.44715.416.62.21.591.83.00.8136602.281.19
Magmatisme ancienEuropeFranceLimousin (Corrèze)ChauzeixGraniteTJ142.2080.908.1443.000651250.05427.830618.346.518.4.510.790.5151.23.7103.4609.7712.73.63.261.10.40.4105662.20.78
Magmatisme ancienEuropeFranceLimousin (Corrèze)Peyrissac GraniteTJ62.20111.598.5289.0001401020.04617.143621.245.319.3.730.70.3770.73.0102.6418.755.871.31.450.50.20.8100443.650.83
Magmatisme ancienEuropeFranceLimousin (Corrèze)Chaumeil (GraniteTJ13a2.0061.704.8271.000711240.1614.328519.244.218.4.170.590.4540.53.4802.5047.69.081.68.340.94.9419690.65
Magmatisme ancienEuropeFranceLimousin (Corrèze)Chaumeil (GraniteTJ131.6071.036.6237.00069840.05618.224615.435.013.3.710.510.5030.62.7401.8056.435.371.62.30.40.40.681582.920.64
Magmatisme ancienEuropeFranceLimousin (Corrèze)Chaumeil (GraniteTJ13 (d)1.6751.095.5245.000711000.05619.025814.433.112.3.340.510.5050.62.8201.8705.956.231.52.280.50.4543.040.66
Magmatisme ancienEuropeFranceLimousin (Corrèze)LafargeGraniteTJ15b2.80132.704.9508.000791260.01640.634628.764.429.4.871.290.4130.93.9704.91014.89.743.12.451.51.31.01182.841.11
Magmatisme ancienEuropeFranceLimousin (Corrèze)Les FerrièAmphiboliteTJ141.3062455.20242.05.4003481760.150.211311.629.917.4.921.730.8343.14.0500.8981.080.670.42.660.80.3842.367.4
Magmatisme ancienEuropeFranceLimousin (Corrèze)SeilhacAmphiboliteTJ335.6037939.9045.217.8002021520.442.12419.625.716.4.931.520.8713.54.0600.4462.170.953.142.12.50.51281262.56.93
Magmatisme ancienEuropeFranceLimousin (Corrèze)Uzerches AmphiboliteFront A47.805446.0040.78.1003371820.320.411713.133.022.6.032.261.0103.44.5100.9401.260.351.220.80.31232.268.8
Magmatisme ancienEuropeFranceLimousin (Corrèze)Uzerches AmphiboliteFront B45.504744.4038.66.9004061600.340.37312.231.416.5.512.10.9403.44.5400.9901.10.312.641.80.21012.438.4
Magmatisme ancienEuropeFranceLimousin (Corrèze)Uzerches AmphiboliteFront C45.608740.1019.19.5002121110.30.4827.921.214.4.341.730.8003.13.3200.4201.070.421.361.01062.568.41
Magmatisme ancienEuropeFranceLimousin (Corrèze)Uzerches AmphiboliteFront D44.701341.9041.34.8004032220.310.218417.840.822.6.092.240.9703.25.1501.6002.160.812.251.9953.028.43
Magmatisme ancienEuropeFranceLimousin (Corrèze)Uzerches AmphiboliteFront E39.7011634.5047.43.2003281340.320.2416.718.613.4.131.660.7802.93.3900.4600.530.261.230.9872.376.67
Magmatisme ancienEuropeFranceLimousin (Corrèze)Uzerches AmphiboliteFront F42.101941.3030.57.1504261920.2850.421116.738.719.5.712.190.9403.24.7401.4201.980.851.51.00.1892.847.04
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratRS138.109684.0092.0217.00012731436.130.2133824.062.07.11.50.9002.79.2006.30017.77.26.546.30.486.69
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratRS235.009054.30105.0222.00049339437.333.2142756.9132.09.72.71.1304.19.3006.54018.96.35.228.80.475.75
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratRS340.007895.5080.0223.00044741732.630.4163649.592.08.12.30.9603.78.8006.80022.364.927.90.317.11
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratSou1a33.207495.5091.0119.00045124221.916.354023.349.961.70.7102.35.2003.54012.74.34.15
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratSou233.508224.6046.0186.0003563824.2281882.8174.0102.70.86038.2006.35019.42.640.12.2310.6
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratSou540.208197.7052.0175.00046533.123.43169107.0236.011.82.70.91038.6006.34019.52.61.7711.6
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratSou631.206479.40116.0137.00028825524.818.066652.8106.08.42.20.9202.45.4003.97012.53.95.10.353.52
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -Roc SoufratSouSp24.202738.4064.027.4005111467.53.524817.042.24.71.450.5401.12.1001.38010.33.10.320.3115.4
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -La JourdaneJou134.9079026.8038.0194.00010829720.315.1169452.0167.07.82.80.9702.68.0006.44019.42.49.50.276.54
Magmatisme ancienEuropeFranceMontagne NoireSalsigne -La JourdaneJou342.5011478.4034.0183.00042213.614.4204567.2142.010.72.20.9903.19.2006.64020.64.729.6.80.277.69
Magmatisme ancienEuropeFranceMontagne NoireLabécèdeLe ColombierC44A24.0020247.80159.06.5001090550.623.6653.07.01.90.740.4001.4000.1400.270.070.92.837.14
Magmatisme ancienEuropeFranceMontagne NoireLabécèdeLe ColombierC44B24.409950.00152.012.500919500.486.21102.96.81.90.850.4001.3400.1300.250.082.81752.747.80
Magmatisme ancienEuropeFranceMontagne NoireLabécèdeLe ColombierC4528.1033450.90262.021.6001475310.6616.11991.93.91.50.750.3301.60.9300.1000.22962.217.20
Magmatisme ancienEuropeFranceMontagne NoireLabécèdeVilleuragneV438.1025443.30104.074.000643740.3323.521133.39.52.40.950.5402.42.0000.1600.390.188.52.118.22
Magmatisme ancienEuropeFranceMontagne NoireLabécèdeVilleuragneV12A32.3029946.10190.018.0001632680.466.85873.610.82.10.860.4502.71.5000.1500.610.1334.72.997.46
Magmatisme ancienEuropeFranceMontagne NoireLabécèdeVilleuragneV12B34.7030748.50194.034.4001485800.3714.610082.97.61.80.80.45031.5000.1400.630.1324.12.997.60
Magmatisme ancienEuropeFranceMontagne NoireLacauneRivayrollesRiv1 (DB14)23.0023728.9094.057.900476662.112.05287.813.32.30.740.4001.62.0000.1502.20.413.644.66
Magmatisme ancienEuropeFranceMontagne NoireLacauneRivayrollesRiv2 (DB15)19.9017925.6074.044.8003941071.64.34899.821.12.90.960.5502.52.2000.1702.70.524.63.664.50
Magmatisme ancienEuropeFranceMontagne NoireLacauneSagnes Sag1 (DB9)28.4031933.00115.09.900698620.930.5703.88.02.40.720.5702.91.6700.1100.680.1514.045.69
Magmatisme ancienEuropeFranceMontagne NoireLacauneSagnes Sag3 (DB11)27.4036138.00146.016.300851500.551.41384.08.22.10.840.4001.81.8000.1000.670.211.93.275.65
Magmatisme ancienEuropeFranceMontagne NoireLacauneVianesVia1 (IB154)38.7038140.20163.029.4001131411.60.75981.84.01.70.740.3801.71.1000.0450.270.13.72.206.08
Magmatisme ancienEuropeFranceMontagne NoireLacauneSaussonièresSau1 (IB51)33.8028333.30162.011.1001140511.90.35861.83.81.91.20.4401.81.3000.0300.210.068.913.246.41
Magmatisme ancienEuropeFranceMontagne NoireLacauneSaussonièresSau2 (IB52)38.2032934.80179.07.600960432.80.23211.74.01.90.790.44021.4000.0360.260.2514.21.12.966.97
Magmatisme ancienEuropeFranceMontagne NoireLacauneLa GraveGra1 (DB6)13.301117.3010.053.3003621170.354.334410.019.52.60.70.4001.83.4000.4204.20.9825.264.58
Magmatisme ancienEuropeFranceMontagne NoireLacauneLa GraveGra2 (DB7)14.10611.509.044.3002261300.262.729114.031.83.30.910.5002.23.7000.4604.51.12.25.783.81
Magmatisme ancienEuropeFranceMontagne NoireLacauneLa GraveGra5 (DB8)14.001118.2013.033.5002451170.631.638016.927.63.60.780.4901.93.1000.3803.70.95.51.84.994.38
Magmatisme ancienEuropeFranceMontagne NoireLacauneLa GraveSag2 (DB10)13.401811.7014.025.8002841150.511.120211.521.42.30.460.3301.73.5000.3903.11.3321.15.244.97
Magmatisme ancienEuropeFranceMontagne NoireLacauneMontaigutMon2 (DB12)15.401216.3017.011.0002881050.670.511711.422.02.40.840.3202.13.2000.38031.342.31.45.685.12
Magmatisme ancienEuropeFranceMontagne NoireLacauneMontaigutMon3 (DB13)14.501815.8014.04.7002441200.810.391.59.515.11.80.440.3001.43.0200.4003.41.347.81.73265.674.92
Magmatisme ancienEuropeFranceMontagne NoireLacauneVernèdeVer 1(DB16)15.002015.5013.06.500185950.470.49814.622.83.30.860.4702.13.0000.3302.50.974.22.45.654.76
Magmatisme ancienEuropeFranceMontagne NoireLacauneVeyrièVey110.70307.9011.039.5006201030.192.725211.225.52.80.660.3601.62.7000.4104.42.83.80.73.182.06
Magmatisme ancienEuropeFranceMontagne NoireLacauneViéVié2 (DB1)21.8098033.10139.0253.0004423616.98.112533.881.04.70.820.3101.25.1000.69017.632.81230.2415.2
Magmatisme ancienEuropeFranceMontagne NoireLacauneViéVié3 (DB2)30.201355108.00433.0283.0003116.69.86844.40.00.690.490.0940.51.7400.0360.463.94.13721.42720.317.39
Magmatisme ancienEuropeFranceMontagne NoireLacauneViéVié4 (DB3)26.50106436.50449.097.0003611914610.383735.375.02.30.4201.44.8000.62017.27.12921.694.77
Magmatisme ancienEuropeFranceMontagne NoireLacauneViéVié5 (DB5)16.30122648.60540.0246.0004414015412.168.540.777.05.50.3200.44.7000.640154.41681.664.16
Magmatisme ancienEuropeFranceMontagne NoireLacauneViéVié6 (DB4)17.80114525.50256.072.0003328158.15.221386.5153.010.31.880.7401.96.9001.01029.15.817.1181.052.33
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB18439.6036355.00203.013.9002850.0610.11.75.82.10.880.5102.41.6000.0440.190.0522.866.64
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB19636.0029948.20193.026.600556470.113.51081.12.71.90.590.4602.71.4000.0400.130.114.116.08
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB10430.902531.3021.016.7003311080.263.82734.09.02.51.020.5002.82.0000.0880.670.172.20.63.885.44
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB222A30.1020442.2062.011.200245520.41.4841.54.51.50.370.3301.71.5500.0550.510.131.95.074.59
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB222B29.3019226.9057.03.100259680.850.6401.85.61.40.40.2901.51.6000.0590.590.182.45.733.64
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB99B36.0019032.4052.02.200657721.60.535.43.912.12.30.970.53031.9000.0910.580.063.44.276.01
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB11620.3037958.20266.08.600641.31.079.80.51.41.70.470.4903.31.7400.0530.150.0511.24.597.50
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB12031.6037139.30143.015.000762661.21.52749.727.02.90.90.4402.42.0000.1101.470.341.12.775.39
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB14432.0026747.80328.07.8003331020.630.71435.512.03.41.020.6203.92.8000.1701.250.271.81.55.174.94
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB15133.1038730.70644.012.00019359711.72.1185.914.03.11.090.6602.72.4000.1501.80.430.866.72
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB15817.707021.3035.027.3008121037.81.87387.416.12.40.740.3402.52.6000.1302.30.5241.12.893.98
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB16015.905524.6032.0103.000194651.711.62603.99.01.450.410.2300.72.0000.1001.690.453.233.63
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB18730.5037248.70200.019.600478960.655.2973.37.52.30.720.5002.92.0000.1401.120.25114.175.50
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB19329.9029131.70218.09.8005605113.31.2921.04.01.80.650.4301.81.3400.0350.170.173.794.78
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB22040.4032648.10192.049.900371461.44.42441.45.02.20.90.5503.11.5400.0460.180.11.13.477.81
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB22134.2027747.40194.040.9007195146.1861.34.11.90.740.4402.51.2000.0400.20.071.91.23.366.19
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Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB14716.105116.30312.023.60053013621.64639.823.73.10.840.5002.73.4000.21030.761.60.55.454.38
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Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB18015.901915.309.015.0001631301.50.73319.923.42.60.670.4402.13.1000.1902.90.862.852066.221.49
Magmatisme ancienEuropeFranceMontagne NoireBrusque ( EnsègesB1088.30213.206.06.8003832222.60.435.213.637.24.30.750.8105.56.9000.5008.21.52.21.55.531.78
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Magmatisme ancienEuropeFranceMontagne NoireBrusque ( FaulatF0126.701526.509.09.9001491.61.24513.96.11.20.410.2100.81.3000.0410.830.1935.91.74.794.77
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Magmatisme ancienEuropeFranceMontagne NoireBournacBO388.20510.706.0197.0001291991.13.922252.3105.015.30.881.5506.15.6002.42046.315.31.60.31840.79
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Magmatisme ancienEuropeSicileIbléiPleistocèneI 7126.6043361.40346.022.20018062440.290.130250.8106.08.52.90.8301.84.3004.1005.73.80.707.24
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Magmatisme ancienEuropeSicileIbléiPleistocèneI 6825.4020546.80188.05.00013813900.162.670782.1154.010.84.31.3002.67.4006.5308.92.612.768.48
Magmatisme ancienEuropeSicileIbléiPleistocèneI 68 (d)28.6024547.60191.030.20014973070.10.479852.296.08.631.0101.75.8004.9206.21.782.668.01
Magmatisme ancienEuropeSicileIbléiPleistocèneI 3923.7028444.10208.010.2005831240.050.115217.532.74.61.810.7001.82.6001.1601.810.482.117.52
Magmatisme ancienEuropeSicileIbléiPleistocèneI 4223.1018743.40165.017.10012673260.10.258659.0116.09.731.0603.16.6004.6105.71.392.138.04
Magmatisme ancienEuropeSicileIbléiPleistocèneI 3425.0029445.90209.04.9005701060.060.110215.033.83.11.610.6902.43.0001.0101.520.492.647.81
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 226.9025940.80170.06.4005571830.030.013120.242.15.92.30.9002.33.9001.3702.10.62.948.09
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 723.8026244.80210.01.1003441130.10.0477.414.43.61.460.70022.9000.6000.670.042.438.26
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 1030.9034054.90278.026.10011463120.130.342143.887.06.52.81.0303.55.6004.70051.182.409.36
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 4728.4032241.60185.05.6006061630.050.114222.342.851.880.80033.3001.4202.20.362.756.37
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 7322.4025841.90202.05.1004761160.070.110516.027.83.81.60.6701.82.8000.9301.580.52.617.25
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 8023.1027643.50215.02.0003801170.010.047.47.813.631.480.63022.7000.5800.640.172.667.89
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9123.6027842.80209.01.9003591210.020.0876.715.13.31.450.6401.52.8000.5500.680.142.437.95
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9222.9023945.20207.04.7005591340.010.180.712.024.941.550.6401.62.7000.8701.120.272.497.58
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9327.5044050.70256.018.30013002600.080.348963.5126.09.93.21.0602.24.4004.1106.31.660.71.72.428.43
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9425.6033247.60234.07.0006581680.030.120325.452.95.62.040.82023.4001.5602.40.670.32.408.33
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9523.2031645.00222.00.7003541170.010.041.66.113.53.11.30.6101.52.6000.4900.580.122.437.84
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9629.3029948.50215.05.90014793050.090.452767.3145.010.23.61.1302.65.2004.8407.31.90.42.12.868.23
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9724.7032648.80244.01.800502860.020.18911.825.33.91.630.7101.72.7000.6701.130.430.32.247.39
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9823.3029848.40264.00.8206071120.030.010714.428.73.91.60.6801.82.4000.6301.30.282.548.36
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 9923.2024641.80179.03.0003711160.020.046.56.514.83.21.340.6301.72.4000.5400.620.372.307.92
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 10028.4029147.70204.025.30011473090.10.348063.4120.010.13.21.0302.35.7004.8106.51.90.91.82.378.39
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Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 10225.2019839.90154.02.8004961700.020.010913.628.24.71.90.8202.13.7001.1801.480.42.648.43
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 10322.0024166.60191.02.9004421560.010.011719.937.75.22.21.0702.93.0000.7201.20.332.587.46
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 10423.7023846.00219.021.30026533310.090.357181.3157.011.23.71.2302.85.1004.2808.42.20.62.498.15
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Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 1075.301226.7066.01.70011091060.180.116629.451.73.51.160.3600.71.3001.3303.42.61.90.71.59
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 107b8.6026318.00151.00.9808041490.140.140955.198.061.940.5601.22.0002.2406.13.11.80.70.133.59
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Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 11726.9028646.20176.015.40014062080.10.247154.3125.09.23.41.0402.24.7003.9205.51.480.653.41.917.92
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Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 12117.20827.405.028.9008583450.120.234347.5101.09.13.31.0702.47.4004.2305.11.533.23.118.25
Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 2016.80527.4010.031.5007733650.110.433749.192.08.23.21.0402.37.4004.8105.321.553.678.27
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Magmatisme ancienEuropeSicileIbléiPlio-PleistocéneI 1939.6016342.0082.00.500196460.130.05.52.44.61.640.630.4081.71.3700.1770.280.060.000.00
TypeDomaineZoneLieuMissionMethode, Age, Eruption, CommentaireFichier localisationÉchantillon / SampleScCrCoNiRbSrZrSbCsBaLaCeNdSmEuTbYbHfTaThUWAsMoBrAu (ppb)Ag (ppb)ZnNa (%)Fe (%)

Jean-Louis JORON et Michel TREUIL
Laboratoire Pierre Süe
Centre d’Études de Saclay – France
Laboratoire Pierre Sue

Lexique :

  • CAB : calk-alkaline basalt / Basaltes calco-alcalins
  • CFB (Continental Flood Basalt) ou Trapps,
  • MORB : Middle Oceanic Ridge Basalt / Basaltes des rides médio-océaniques
  • OIB : Ocean Island Basalt / Basaltes des îles océaniques intraplaques
  • Subduction : roches issues de zones de subduction, lieu de destruction de la croûte océanique. Lorsqu’une plaque se heurte à une autre plaque, elle retourne dans le manteau en formant une zone de suduction.
  • Volcanisme d’arc insulaire : les arcs insulaires, répartis en bordure des zones de subduction, résultent de la formation de nouvelle croûte similaire à celle des continents
  • Volcanisme arrière-arc : en arrière d'un arc insulaire, formation de petits bassins dits "arrière-arcs". L’ouverture de ces bassins serait le signe précurseur de la formation d’un bassin océanique.
  • Ophiolite : roches correspondant à la lithosphère océanique, charriée sur un continent par obduction lors de la convergence de deux plaques lithosphériques
  • Magmatisme ancien Magmatisme antérieur à la tectonique des plaques actuelle (antérieur à 500 millions d'années)
    • Archéen : éon précédent le Protérozoïque (de - 4 à - 2.5 milliards d’années).
    • Basalte : roche magmatique rapidement refroidie. C'est le constituant principal de la croûte océanique.
    • Protérozoïque : éon (ou période géochronologique) de la fin du précambrien (de - 2,5 à - 0,541 milliards d’années).
    • Komatiite : roches témoins direct du manteau archéen à olivine et pyroxène.
    • Gabbro : roche magmatique, constituant principal de la couche inférieure de la croûte océanique.
    • Ophite : roche magmatique intermédiaire entre le gabbro et le basalte, qui résulte de la cristallisation d'un magma sans contact avec l'atmosphère .
  • Birimien : âge stratigra^phique équivalent à l'époque paléoprotérozoïque du précambrien (-2.5 à -1.6 Milliards d'années).
  • Les roches de cet âge morceau de croûte terrestre (terrane), essentiellement composé de granites alcalins, agrégé à l'aire continentale sud (craton) de l'Afrique de l'Ouest, âgé de
  • Shale : roche sédimentaire n'ayant pas subi de transformation (métamorphisme) et censée représenter la composition de la croûte continentale primitive.
  • Chondrite et achondrite : météorites avec ou sans "chondres", petites billes composées de silicates, traduisant leur origine primitive ou issue d'astéroïdes.
Echelle des temps géologiques du BRGM.

NB : les références des échantillons suivies de "(d)" indiquent de nouvelles analyses sur des échantillons, précédemment analysés.

 

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