Lairg Tephra B at Sluggan Bog

This search has found 18 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 analyses 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. You should always refer to the original sources to get the full context of the data presented here.

Geochemistry

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  SiO2 TiO2 Al2O3 FeOMnOMgO CaO Na2O K2OTotal EP Ref
Glass71.770.2314.652.19 0.130.685.494.62 99.754968
Glass71.720.2514.652.17 0.160.685.165.18 99.984968
Glass71.410.2415.102.24 0.160.695.424.69 99.954968
Glass71.200.2214.612.36 0.140.685.564.62 99.394968
Glass70.880.2714.512.23 0.150.675.504.74 98.944968
Glass70.760.2414.602.23 0.150.705.664.36 98.694968
Glass70.690.2314.562.20 0.150.675.444.49 98.414968
Glass70.420.2314.622.23 0.170.675.174.43 97.934968
Glass70.360.2214.502.20 0.150.675.314.66 98.084968
Glass70.320.2814.422.21 0.160.715.434.36 97.904968
Glass70.280.2815.142.55 0.210.975.314.47 99.204968
Glass70.120.2314.392.23 0.180.625.364.70 97.824968
Glass69.980.2414.742.34 0.200.745.504.59 98.324968
Glass69.920.2514.192.09 0.140.714.645.28 97.214968
Glass69.830.2314.462.19 0.150.675.264.52 97.304968
Glass69.350.2314.322.13 0.170.704.175.86 96.934968
Glass69.330.2414.352.16 0.160.644.645.95 97.474968
Glass68.550.2114.862.22 0.160.695.694.54 96.924968
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 preceding each reference matches the Ref number on the data table above.

968: Pilcher, J.R., Hall, V.A. and McCormac, F.G. (1996) An outline tephrochronology for the Holocene of the north of Ireland. Journal of Quaternary Science  11 (6), 485-494..

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 22/4/2024 at 06:34:06 local time, Edinburgh, Scotland, UK.