Pearl Harbor Commemorative Medal Pearl Harbor Commemorative Medal The Pearl Harbor Commemorative Medal, also known as the "Pearl Harbor Survivor’s Medal", is a bronze commemorative medal which was established by the United States Congress on November 5, 1990 (P.L. 101-510, 104 Stat. 1721). To have been eligible for the award, "a person must have been a member of the Armed Forces of the United States who was present in Hawaii on December 7, 1941, and who participated in combat operations that day against Imperial Japanese military forces attacking Hawaii. A person who was killed or wounded in that attack shall be deemed to have
Pearl River Mouth basin is capped by the breakup unconformity signifying the transition from syn- to post-rift around 32 Ma. Post-rift sedimentation began with transitional sandstones and dark gray mudstones of the Zhuhai formation in the Late Oligocene. The PRMB has experienced deposition of marine sediment with fluctuating sea levels from the Miocene to present day. Today, terrigenous sediment input is mainly provided by the Pearl River, but during the Cenozoic other larger rivers likely contributed to sedimentation as well. Wells in the Pearl River Mouth basin have been studied to determine the subsidence history of the basin. Using backstripping methods, three separate rifting