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Novas y el Cretácico (Parte 1) - Statistics

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  • This quiz has been taken 5 times
  • The average score is 13 of 13
Answer Stats
Hint Answer % Correct
South America completely separated from Africa sometime between 100 and 95 MA (_____-______) Albian-Cenomanian)
100%
By Early Cretaceous, Africa had become separated from both East and West _________ Antarctica
100%
By _______ time (around 115 MA), South America was more widely separated from Africa Aptian
100%
During Aptian-Albian times, the first incursions of the Atlantic onto the eastern side of South America occurred, flooding the Araripe and Parnaiba Basins in north-Eastern ______ Brazil
100%
Though the flow of marine water into the South Atlantic was possible via the Weddell Sea, no deepwater circulation into the South Atlantic occured unitl the Malvinas Plateau separated from Africa about 100 MA (__________) Cenomanian
100%
The oceanic floor first formed in the South Atlantic aroun 130 MA (___________) Hauterivian
100%
The process lasted from 130 to 110 MA (_________/_________) Hauterivian/Albian
100%
Thus, connections between South America and Africa remained almost __________ north of the _________ Delta intact/Niger
100%
And spread ________ Northward
100%
About 100 MA, the eastern tip of the [...] Malvinas ______ finally separated from the apex of South Africa. This permited an almost uniform extension of the South Atlantic, Plateau
100%
Forming a shallow and narrow South Atlantic Ocean that resembled the modern Red Sea
100%
Where lake deposits and evaporites are overlain by marine deposits of the _______ Santana Formation
100%
The continental breakup started in the ________ South
100%
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