Sister Joan Gormley, a Mount St. Mary's Seminary Scriptures professor, died of cancer Friday at Gettysburg Hospital in Pennsylvania. She was 70. Born in Philadelphia, she earned a bachelor's degree at Trinity College in Washington and a master's degree in classics from Harvard University. She later completed a doctorate in New Testament studies at Fordham University. Her postgraduate work included study at the Ecole Biblique de Jerusalem and the Theresian Documentation Center in Lisieux, France. A sacred Scripture, spirituality and homiletics professor at Mount St. Mary's Seminary in Emmitsburg for many years, she studied the life of the 19th-century Roman Catholic St. Therese of Lisieux. Family members said she had access to the saint's personal papers. She also wrote on the spiritual writings of the Spanish mystics and St. John of Avila, as well as St. Edith Stein. She was a former member of the Sisters of Notre Dame de Namur. At her death she was a consecrated virgin. A Mass of Christian burial will be offered at 9:30 a.m. tomorrow at the Chapel of the Immaculate Conception at Mount St. Mary's University in Emmitsburg. Survivors include four brothers, John F. Gormley Jr. of Philadelphia, Joseph Gormley of Tampa, Fla., Frank Gormley of Downingtown, Pa, and Kevin Gormley of Milmont Park, Pa.; six sisters, Dorothy Hunt of Forest Hill, Patricia Weyler of Holmes, Pa., Linda Rowe of Newark, Del., Mary Joan Ricker of Swarthmore, Pa., Julie Gormley of Brookhaven, Pa., and Michelle Taylor of Holmes, Pa.; and 30 nieces and nephews.