Brúnavatn 201.5 (Hekla S Tephra) at Brúnavatn

This search has found 13 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

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

  SiO2 TiO2 Al2O3 FeOMnOMgO CaO Na2O K2OTotal EP Ref
Glass68.590.3915.135.990.110.593.214.952.03 101.00352843
Glass68.280.4415.155.810.070.493.304.562.15 100.25352843
Glass67.250.4514.865.720.150.453.154.762.17 98.97352843
Glass67.240.5115.006.000.210.523.434.862.09 99.87352843
Glass67.200.4914.936.200.120.563.504.591.93 99.52352843
Glass67.120.4114.955.500.070.433.104.832.15 98.56352843
Glass66.910.4614.775.460.130.473.124.812.12 98.25352843
Glass66.540.4515.125.860.110.493.224.632.15 98.56352843
Glass66.330.4215.075.810.120.513.204.762.12 98.34352843
Glass65.880.4914.835.620.220.563.354.632.15 97.73352843
Glass65.420.4415.175.890.190.553.204.692.24 97.80352843
Glass65.200.4714.415.390.250.563.404.911.95 96.54352843
Glass63.260.4214.475.140.110.553.065.101.97 94.08352843
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.

2843: Olsen, J, Bjorck, S, Leng, MJ, Gudmundsdottir, ER, Odgaard, BV, Lutz, CM, Kendrick, CP, Andersen, TJ and Seidenkrantz, MS (2010) Lacustrine evidence of Holocene environmental change from three Faroese lakes: a multiproxy XRF and stable isotope study. Quaternary Science Reviews  29, ,2764-2780.

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 16/4/2024 at 17:35:21 local time, Edinburgh, Scotland, UK.