TY  - RPRT
TI  - An iridium abundance anomaly at the palynological Cretaceous-Tertiary boundary in northern New Mexico
AU  - C. J. Orth
AU  - J. S. Gilmore
AU  - J.D. Knight
AU  - C. L. Pillmore
AU  - R.H. Tschudy
AU  - J.E. Fassett
PY  - 1981
DO  - 10.1126/science.214.4527.1341
UR  - https://pubs.usgs.gov/publication/70011769
ID  - 70011769
ER  -