TY - RPRT TI - Method development and validation for microscopic measurement of the fluorescence spectrum of sedimentary organic matter in geologic samples AU - Kavin Wee Siaw AU - Paul C. Hackley PY - 2026 DO - 10.1016/j.mex.2026.104003 UR - https://pubs.usgs.gov/publication/70282965 ID - 70282965 ER -