Detailed information about files is available at: https://doi.org/10.5281/zenodo.3866266 All documents are distributed under terms of Creative Commons Attribution 4.0 International license: https://creativecommons.org/licenses/by/4.0/legalcode This document provides information about the following files: Zipped archive file: Best_Practice_GuidelinesMSExcel.zip MS Excel format files: Tephra_Physical_Analysis_Best_Practice_Guidelines.xlsx Tephra_Collection_Best_Practice_Guidelines.xlsx Tephra_Physical_Microanalysis_Best_Practice_Guidelines.xlsx Tephra_Correlation_Best_Practice_Guidelines.xlsx Tephra_Sample_Processing_Best_Practice_Guidelines.xlsx Tephra_Geochemical_Analysis_Best_Practice_Guidelines.xlsx Zipped archive file: Best_Practice_Guidelines_OpenDocument.zip OpenDocument format files: Tephra_Physical_Analysis_Best_Practice_Guidelines.ods Tephra_Collection_Best_Practice_Guidelines.ods Tephra_Physical_Microanalysis_Best_Practice_Guidelines.ods Tephra_Correlation_Best_Practice_Guidelines.ods Tephra_Sample_Processing_Best_Practice_Guidelines.ods Zipped archive file: Worked_Examples.zip Worked_Examples_Info.txt FOGO_Collection_Example.xlsx FOGO_Collection_Example.ods WorkshopsParticipants.csv Comma separated list of contributors participated in 2014, 2017 and 2019 workshops