Thousand Islands – Frontenac Arch is one of four ecoregions of the Mixedwood Plains. The Thousand Islands in the Saint Lawrence River have a distinctive flora and fauna and are a part of the biological corridor. The bedrock is mostly gneiss, granite and marble, more than a billion years old. The Frontenac terrain is the youngest of the Ontario portions of the arch, dated at 1.2 billion years old. These rocks were once part of a large mountain chain of the ancient supercontinent of Rodinia. There is also a meteor crater near Holleford, where the shield meets the limestone plains of southeastern Ontario. The area
Thousand Islands (Indonesia) Kepulauan Seribu Utara. Officially, the Kelurahan contains 30 islands. Names in italics are not considered islands. Thousand Islands (Indonesia) The Thousand Islands (officially Kepulauan Seribu) are a chain of islands to the north of Jakarta's coast. It forms the only regency of Jakarta, the capital of Indonesia. It consists of a string of 342 islands stretching north into the Java Sea at West Jakarta Bay and in fact north of Banten Province. A decree states that 36 islands may be used for recreation. Of these, only 13 islands are fully developed: 11 islands are homes to resorts and two islands