TY  - RPRT
TI  - Composition of biotite phenocrysts in Ordovician tephras casts doubt on the proposed trans-Atlantic correlation of the Millbrig K-bentonite (United States) and the Kinnekulle K-bentonite (Sweden)
AU  - John T. Haynes
AU  - W.G. Melson
AU  - Michael J. Kunk
PY  - 1995
DO  - 10.1130/0091-7613(1995)023<0847:cobpio>2.3.co;2
UR  - https://pubs.usgs.gov/publication/70207653
ID  - 70207653
ER  -