Map: Thickness Of The Crust
Summary:
A ten km contour interval? Well yes, if you are mapping the thickness of the earth's crust!
This map brings out beautifully the distribution of the two distinct types of crust on earth. Crust making up the continents is granitic to andesitic in composition, buoyant and is old. Crust making up the ocean basins is mafic in composition, gravitationally unstable (it is heavier and it subducts) and
Content analysis:
Geographic context:
Location | Country | Latitude | Longitude |
Comoros | KM | -11.6516 | 43.36 |
Keywords:
composition, continental crust, continents, crust, distinct types, earth, km contour interval, map, ocean basins, thickness