| New marine geological data of Cuban shelf were obtained during Cuban-Soviet Expedition of 1964-1965. The micro and macrofauna and substancial composition were studied. Bentonic foraminifera appeared over 100 m depth in the Gulf of Mexico. The muds were the most caracteristic sediment of the Caribbean Sea. The composition or rare rock was studied in the Yucatan Strait. With a big content of Si, Al, Mg, Ca, Fe and Ti was noted a low content of Na. This is not characterisc on eruptioned calcareous rocks. |
