The ocean provides various resources, with evaporative salts, sand, and gravel being common. Manganese nodules are less common, but the extraction of platinum and gold from the ocean is rare. Thus, platinum and gold are not common resources derived from the ocean. ;
Among the given options, platinum and gold are not common resources derived from the ocean, while evaporative salts, sand, and gravel are. Manganese nodules are less common but have some potential for extraction. Thus, the answer is D: platinum and gold.
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