This file represents supplementary data to an article " Identification of tephra horizons in the glacier at the top of the Ushkovsky volcano (Kamchatka) by analyzing the chemical composition of volc
A 1075 cm long core (Lz1120) was recovered in the south-eastern part of the Lake Ohrid (Republics of Macedonia and Albania) and sampled for identification of tephra layers....
Volcanic ash (tephra) horizons represent powerful chronological and stratigraphic markers: rapid and widespread deposition allows for correlation of geological records in time and space. Recent analyt