The Thesis Defense of Ms. Geleen Rica R. Javellana was held on Nov. 9, 2017 at the NIGS Multipurpose Room. Her thesis is on the Paleoenvironments of Early-Middle Miocene Malangas Coals, Zamboanga, Sibugay Using Lithofacies and Coal Petrography. Her thesis committee is comprised of Dr. Alyssa M. Peleo-Alampay and Dr. Joseph M. Foronda as advisers, Dr. Leopoldo P. de Silva, Jr. as reader, and Dr. Allan Gil S. Fernando and Dr. Maria Ines Rosana D. Balangue-Tarriela as examiners.