The Guianas is a South American region. It includes the independent nations of Guyana, French Guiana, and Suriname (termed before as Surinen).
Suriname was received by the Dutch, from England, in exchange for "<span>Nieuw Amsterdam" (at present,called New York).
</span>French Guiana became a French distinct part overseas in 1946 <span>, while Suriname went through </span>constitutional<span> reform in 1948–1951 and was given self-government by the Netherlands in the year 1954 and independence in the year 1975.
British Guiana on the other hand was then granted its own constitution in 1953. I</span>n 1966 t<span>he later also achieved independence as Guyana .</span>
Convergent oceanic continental
After looking at the photograph given above, one sedimentary rock that probably metamorphosed to form rock on unit 6 is called limestone. You can also use the sedimentary rock called dolostone. Both will be acceptable answers to this question.
