Continent Europe and Asia together as a single continent, dubbed "Eurasia". In this model, the world is divided into six continents, with North America and South America considered separate continents. Geologists use the term "continent" in a different manner from geographers. In geology a continent is defined by continental crust: a platform of metamorphic and igneous rock, largely of granitic composition. Some geologists restrict the term 'continent' to portions of the crust built around stable Precambrian "shield", typically 1.5 to 3.8 billion years old, called a craton. The craton itself is an accretionary complex of ancient mobile belts (mountain belts) from
Where on Earth Is Carmen Sandiego? Sony BMG Music Entertainment released the first season on DVD. Due to poor sales, no further seasons were released. LionsGate Entertainment has released two of the show's three-part episodes ("Retribution" and "Labyrinth") as full-length direct-to-video films entitled "Carmen's Revenge" and "Time Traveler," respectively. A video of the episode "Timing is Everything" is included with some versions of "Where in the World is Carmen Sandiego? Treasures of Knowledge." On July 22, 2011, Mill Creek Entertainment announced that they had acquired the rights to the series and planned on releasing it in its entirety in 2012. They subsequently released "Where on Earth