Hekla 4 Tephra at Slieveanorra

This search has found 21 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.


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

  SiO2 TiO2 Al2O3 FeOMnOMgO CaO Na2O K2OTotal EP Ref
Glass74.420.0912.681.900. 98.3772225
Glass74.380.0912.961.900.090.021.395.182.66 98.6572225
Glass74.030.1012.961.900.050.061.304.832.83 98.0472225
Glass73.810.1413.091.850. 97.2172225
Glass73.670.0912.561.890. 96.9472225
Glass73.510.0912.431.920.150.011.315.072.66 97.1472225
Glass73.220.1012.431.920.130.021.343.372.83 95.3672225
Glass73.170.0912.361.870. 96.5872225
Glass72.960.0812.631.910. 96.4572225
Glass72.940.0812.601.960. 96.7672225
Glass72.780.0612.721.840.080.041.304.932.90 96.6672225
Glass72.690.0712.911.850.040.041.334.842.73 96.5072225
Glass72.680.0612.511.890. 95.8672225
Glass72.650.0512.461.920.110.031.354.782.95 96.2872225
Glass72.570.0812.511.930.090.031.324.182.79 95.5072225
Glass72.490.1012.811.930. 96.2972225
Glass72.380.0612.681.880.100.041.314.772.92 96.1372225
Glass72.210.0612.721.990.120.011.313.922.80 95.1572225
Glass71.980.0612.552. 95.4272225
Glass71.920.0812.351.910. 95.1272225
Glass71.730.1212.382. 95.1372225
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.



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.

2225: Swindles, G. (2006) Reconstructions of Holocene climate change from peatland in the north of Ireland. Unpublished PhD thesis, Queen's Unversity, Belfast,

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 2/3/2024 at 22:34:10 local time, Edinburgh, Scotland, UK.