Hekla 4 Tephra at Station Hill, Altnabreac

This search has found 118 analyses

The results of your search are shown on this page, which is divided into three sections. The first contains geochemical data in the form of electron probe microanalyses of the the tephra layer you have chosen, which can be downloaded. Most of these analyse will be of glass shards. The second section gives information about the instrument conditions and the third details about the sources of the data and the date and time of your search.

Geochemistry

To download this data as a tab delimited file click here: save

  SiO2 TiO2 Al2O3 FeOMnOMgO CaO Na2O K2OTotal EP Ref
Glass76.700.0612.091.250.040.041.014.362.95 98.492853
Glass75.940.0512.881.960.130.021.254.492.91 99.642853
Glass75.770.0412.491.740.090.041.304.072.70 98.242853
Glass75.320.1113.101.920.110.041.254.862.85 99.572853
Glass75.290.0612.101.710.090.021.074.382.95 97.682853
Glass75.270.0313.791.860.100.021.294.563.04 98.952853
Glass75.260.0813.011.930.040.021.344.683.09 99.462853
Glass75.120.1113.101.150.070.021.285.132.36 98.342853
Glass75.020.0812.721.950.070.051.164.442.73 98.202853
Glass75.000.0512.451.670.090.011.384.162.85 97.652853
Glass74.920.1012.551.800.100.041.294.502.71 98.022853
Glass74.910.0612.682.070.050.051.414.862.85 98.742853
Glass74.900.0813.041.920.050.061.394.662.93 99.022853
Glass74.880.0812.551.620.030.011.274.472.90 97.802853
Glass74.660.0912.761.860.090.011.234.642.60 97.942853
Glass74.630.0712.461.980.080.051.304.652.80 98.012853
Glass74.550.1212.971.860.020.051.334.792.79 98.492853
Glass74.550.1212.961.890.070.031.404.742.88 98.362853
Glass74.450.0612.911.920.080.021.344.612.83 98.232853
Glass74.450.0812.401.870.080.011.294.332.75 97.252853
Glass74.440.0812.571.790.060.011.294.632.72 97.602853
Glass74.280.0812.762.030.090.051.254.712.70 97.952853
Glass74.260.0712.752.110.050.011.284.562.69 97.782853
Glass74.180.0812.662.030.070.031.174.702.77 97.692853
Glass74.160.1713.432.440.080.041.475.272.47 99.532853
Glass74.100.1312.901.950.100.041.274.592.83 97.922853
Glass74.080.1413.341.900.080.051.424.882.66 98.542853
Glass74.070.1313.041.920.130.071.294.743.09 98.482853
Glass74.020.1012.441.540.080.031.284.322.62 96.422853
Glass73.980.0712.621.880.060.041.384.522.86 97.392853
Glass73.960.1212.991.780.080.051.334.902.77 98.002853
Glass73.770.1212.771.880.120.061.374.422.96 97.462853
Glass73.740.0812.681.950.080.041.274.752.78 97.372853
Glass73.730.0912.681.990.050.001.214.802.76 97.322853
Glass73.640.0712.792.030.110.031.404.802.76 97.622853
Glass73.630.0812.482.010.100.031.374.572.77 97.032853
Glass73.560.0712.451.990.050.031.344.552.72 96.762853
Glass73.500.1213.041.900.130.041.324.702.87 97.632853
Glass73.350.0812.691.960.070.031.344.552.76 96.822853
Glass73.290.1012.421.800.050.041.234.452.87 96.242853
Glass73.140.1112.701.960.020.011.214.692.76 96.592853
Glass73.130.1113.191.920.070.031.274.462.82 96.992853
Glass72.980.0612.451.520.050.041.184.242.68 95.202853
Glass72.900.0812.891.880.100.021.314.542.94 96.662853
Glass72.780.1212.661.930.110.071.364.402.91 96.352853
Glass72.770.1112.491.830.120.021.274.652.81 96.062853
Glass72.760.0712.501.760.030.021.284.222.74 95.392853
Glass72.700.1212.592.070.060.061.234.622.88 96.342853
Glass72.690.1012.442.050.020.051.184.632.63 95.722853
Glass72.640.2013.783.670.170.062.114.862.42 99.922853
Glass72.490.1913.713.350.160.051.974.762.38 99.072853
Glass72.460.1112.711.900.070.061.184.722.68 95.902853
Glass72.380.1413.462.680.150.091.735.012.59 98.222853
Glass72.370.0912.541.790.120.011.304.542.70 95.462853
Glass72.320.1613.633.120.110.011.954.742.42 98.462853
Glass72.200.1212.712.020.070.041.254.942.73 96.072853
Glass72.120.0912.611.820.070.011.284.522.78 95.302853
Glass71.900.1513.263.320.140.031.834.582.59 97.792853
Glass71.740.1413.392.480.150.051.624.412.56 96.522853
Glass71.690.2313.593.490.200.042.054.872.49 98.642853
Glass71.420.1513.523.100.190.071.945.052.43 97.862853
Glass70.900.1213.343.330.150.092.104.562.23 96.832853
Glass70.830.1213.532.900.090.011.834.842.59 96.742853
Glass70.810.2713.763.960.160.052.094.832.34 98.262853
Glass70.390.2613.804.290.140.102.564.852.40 98.792853
Glass70.250.2613.923.980.190.132.464.912.16 98.252853
Glass69.980.1914.024.160.120.142.474.532.50 98.112853
Glass69.650.2714.314.010.200.102.414.962.29 98.202853
Glass69.550.3113.804.240.140.082.644.812.16 97.722853
Glass69.070.2413.614.120.160.062.294.512.27 96.312853
Glass68.990.3013.934.880.240.122.734.482.11 97.792853
Glass68.960.2813.755.290.200.122.834.552.04 98.022853
Glass68.830.4013.935.930.260.193.394.592.07 99.582853
Glass68.710.2814.334.880.190.162.824.982.10 98.452853
Glass68.710.2814.334.880.190.162.824.982.10 98.452853
Glass68.550.3013.864.780.220.122.744.862.28 97.702853
Glass68.450.2513.634.320.120.072.604.692.14 96.252853
Glass68.260.4214.265.480.220.182.834.552.03 98.212853
Glass68.220.3614.195.630.240.153.024.532.06 98.402853
Glass67.880.3613.685.760.190.173.084.582.02 97.722853
Glass67.840.3313.845.340.180.122.744.792.20 97.382853
Glass67.630.3314.135.700.230.182.994.662.17 98.032853
Glass67.340.3613.695.570.190.153.214.882.07 97.452853
Glass67.050.3013.795.520.220.143.084.662.23 97.002853
Glass66.930.2814.225.850.180.193.044.732.12 97.512853
Glass66.870.4413.916.520.240.213.364.851.96 98.362853
Glass66.850.3113.675.300.240.082.844.701.94 95.922853
Glass66.780.4014.216.240.210.253.334.691.97 98.072853
Glass66.690.2913.895.750.220.193.094.572.07 96.742853
Glass66.540.2713.684.850.200.143.004.812.23 95.712853
Glass66.060.4514.056.720.260.273.724.701.98 98.212853
Glass65.690.4113.836.120.180.173.404.721.92 96.442853
Glass65.630.6014.357.750.300.424.004.401.84 99.292853
Glass65.490.4414.116.520.230.203.204.742.09 97.042853
Glass65.460.4314.586.920.200.223.604.791.94 98.142853
Glass65.170.4814.057.680.280.363.944.421.88 98.262853
Glass65.090.3215.915.830.160.184.614.981.50 98.572853
Glass64.490.6714.598.760.350.593.984.701.60 99.732853
Glass64.410.6314.708.250.290.594.044.531.70 99.132853
Glass64.250.6814.548.750.240.724.194.191.64 99.202853
Glass64.210.5414.097.490.260.333.704.501.79 96.912853
Glass64.030.7414.278.390.310.714.274.601.60 98.962853
Glass64.000.7014.478.840.330.734.404.451.68 99.612853
Glass64.000.7014.478.840.330.734.404.451.68 99.612853
Glass63.960.5814.087.910.290.373.994.551.83 97.562853
Glass63.870.7314.038.310.280.584.084.711.77 98.362853
Glass63.420.6914.588.710.320.714.524.631.73 99.522853
Glass63.350.6514.199.130.250.624.634.491.64 98.952853
Glass63.290.5014.198.180.280.504.334.571.69 97.532853
Glass63.200.7014.009.180.320.614.374.401.66 98.442853
Glass63.150.6414.828.980.230.614.084.671.88 99.072853
Glass63.090.6814.468.720.350.684.324.401.70 98.402853
Glass62.990.7713.998.850.320.624.394.781.78 98.482853
Glass62.900.7814.809.500.310.874.504.411.50 99.562853
Glass62.880.8314.298.850.290.844.434.541.73 98.692853
Glass62.410.6914.298.410.280.674.174.361.65 96.912853
Glass61.570.7014.238.690.330.734.484.321.69 96.752853
Glass61.050.6314.008.280.300.634.114.551.64 95.192853
FeO: total iron is represented as FeO
*original totals for normalised data (where applicable)

Instrument Conditions

These analyses were carried out under the following electron microprobe conditions.

 

References

The data on this page is from the following source(s). If you use this data please acknowledge the source of the data. The number preceeding each reference matches the Ref number on the data table above.

853: Dugmore, A.J., Larsen, G, and Newton, A.J. (1995) Seven tephra isochrones in Scotland. The Holocene  5/3, 257-266.

Data Sources

All of the data contained in this database is either published or donated. When using the data, acknowledgement must be made of the original source of the data and that the data was obtained from Tephrabase. See Copyright information.

This Tephrabase search was made on 22/10/2020 at 10:44:41 local time, Edinburgh, Scotland, UK.