IRENEE DU PONT MINERAL MUSEUM: UD's permanent collection of minerals, gems, stone carvings and rare specimens. Penny Hall. Hours: 8:30 a.m.-4 p.m., Mondays-Fridays. For information, call 831-2569.Through July 30 "A World Under Cover: R.B. Kitaj's ÔIn Our Time.'" University Gallery, Old College. Hours: 11 a.m.-5 p.m., Tuesday-Friday; 1-5 p.m., Saturday-Sunday; closed Monday. For information, call 831-8242.
AUG. 19-DEC. 18 "Self Works: Diaries, Scrapbooks and Other Autobiographical Efforts." Special Collections Exhibition Gallery, Morris Library. Hours: 9 a.m.-5 p.m., Monday-Friday; 9 a.m.-8 p.m., Tuesday; closed Saturday and Sunday. For information, call 831-2231.