Insular Islands
chain of active volcanic islands in the Pacific Ocean during the Cretaceous period on the Insular Plate; 115 million years ago, collided with the North American continent to form the Insular Mountains
en-US/ˈɪnsəlɚ ˈaɪləndz/
en-GB/ˈɪnsjʊlə ˈaɪləndz/