craton

How To Use craton In A Sentence

• Together the shield and platform form what geologists call a craton. Formation of the Earth's crust
• The low-velocity zone occurs almost everywhere, except perhaps under cratonic areas.
• In the Western zone and the contiguous Hooper Complex, turbiditic quartz wacke was deposited on the Kimberley Craton between c. 1872 and 1865 Ma.
• However, this mode of emplacement is contradictory to well-established ideas for Archaean granites in the Zimbabwe craton.
• The greenstones of the Kaapvaal craton in the northeast have been found to contain unicellular and biogenic filamentous structures, signs of some of the earliest forms of life. Nama Karoo
• A craton includes a crystalline basement of commonly Precambrian rock called a shield, and a platform in which flat-lying or nearly flat-lying sediments or sedimentary rock surround the shield.
• Fipke also knew that the craton underneath the pipes he had found ran all the way up the Rockies. How a Rogue Geologist Discovered a Diamond Trove in the Canadian Arctic
• Scotland lies on ancient continental crust known as the Hebridean craton.
• If the craton has diamonds in it, the result is either a carrot-shaped, diamond-studded pipe reaching up to the surface or a wide, flat underground structure called a dike. How a Rogue Geologist Discovered a Diamond Trove in the Canadian Arctic
• The continents of Australia, North America, South America, and Africa each have a single continuous craton forming their nucleus. Physiography of the Earth's terrestrial surface