Dunadd-19 (Hekla 1947 Tephra) at Dunadd (Mine Mhr)

This search has found 16 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.


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

  SiO2 TiO2 Al2O3 FeOMnOMgO CaO Na2O K2OTotal EP Ref
Glass68.980.2413.293.490.150.201.484.863.46 96.13222816
Glass68.960.2813.413.770.100.211.454.923.45 96.56222816
Glass63.470.9515.597.620.201.244.484.131.79 99.47222816
Glass63.440.9515.647. 98.93222816
Glass63.311.0115.497.450.211.224.464.061.72 98.92222816
Glass62.910.9015.617.370.181.184.684.301.75 98.86222816
Glass62.810.9615.277.530.271.264.623.981.73 98.44222816
Glass62.560.9315.317.560.161.284.674.191.74 98.39222816
Glass62.441.0015.307.960.171.274.564.181.79 98.66222816
Glass62.400.8415.816.780.251.154.654.451.68 98.02222816
Glass62.320.9415.777.770.281.234.524.181.80 98.80222816
Glass62.190.9614.927.670.201.484.594.061.77 97.85222816
Glass62.090.9015.787. 97.87222816
Glass62.010.9415.337.440.281.204.443.981.78 97.40222816
Glass61.400.9015.337. 96.51222816
Glass60.380.9815. 95.22222816
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 preceeding each reference matches the Ref number on the data table above.

2816: Housley, RA, Blockley, SPE, Matthews, IP, MacLeod, A, Lowe, JJ, Ramsay, S, Miller, JJ and Campbell, EN (2010) Late Holocene vegetation and palaeoenvironmental history of the Dunadd area, Argyll, Scotland: chronology of events. Journal of Archaeological Science  37, 577-593.

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 17/8/2019 at 22:38:48 local time, Edinburgh, Scotland, UK.