Circum-Superior Belt age of . Another volcanic series in the Marquette Range Supergroup, known as the Gunflint Formation, has an age of . Further geologic units that are related to the Gunflint Formation include the Badwater volcanics and the Kiernan sills. A number of origins have suggested for the Marquette Range Supergroup magmatism. This includes subsidence being driven ahead related to thrusting of the Penokean orogeny or a possible back-arc basin, and lateral flow through the Pickle Crow dikes transported magma from the Fox River Belt area through the Superior craton for placement in the Marquette Range Supergroup. This suggested long-range origin
USS Merapi (AF-38) Galveston Dry Dock Co., "Merapi" hastened through shakedown and departed Mobile, Alabama, 11 April, for the Pacific Ocean war zone. Specializing in refrigerated stores, she sailed via Pearl Harbor to Kerama Retto, Okinawa where in the midst of numerous air alerts she unloaded 14 to 19 June. Having retired to Pearl Harbor for more supplies she got underway again on 20 July and spent the final month of the war at Eniwetok Atoll disbursing cargo. In the postwar period "Merapi" provided logistic support for U.S. occupation forces, initially using Auckland, New Zealand, as her supply base. Spending much of 1946