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) 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 are historic parks. 23 are privately owned and are not open to the public. The rest