TY - RPRT TI - Statistical perspective on the petrologic utility of polyphase groundmass compositions inferred via defocused beam electron probe microanalysis AU - Daniel A. Coulthard AU - Yoshiyuki Iizuka AU - Georg F. Zellmer AU - Raimundo Brahm PY - 2024 DO - 10.1111/ggr.12546 UR - https://pubs.usgs.gov/publication/70259352 ID - 70259352 ER -