Open AccessOccurrence and Genesis of Obsidian in Gombawi Welded Tuff, Ulleung Island, Korea
Author(s) -
Ji Hyeon Im,
Chang Oh Choo
Publication year - 2017
Publication title -
economic and environmental geology/jaweon hwan'gyeong ji'jil
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.165
H-Index - 3
eISSN - 2288-7962
pISSN - 1225-7281
DOI - 10.9719/eeg.2017.50.2.105
Subject(s) - trachyte , phenocryst , geology , volcanic glass , alkali feldspar , electron microprobe , geochemistry , feldspar , lava , mineralogy , lithic fragment , porphyritic , volcano , volcanic rock , sedimentary rock , paleontology , quartz , clastic rock