FIRST PUBLISH OCTOBER 2024
EESA06 MODULE 3 STUDY GUIDE SOLUTIONS
Continental extension often - Ans:✔✔-begins where mantle plumes are heating continental crust from
beneath
the heat from the continental crust from beneath causes - Ans:✔✔-the crust to dome upward and split,
often along three linear arms of a triple junction
each arm of the triple junction is a rift basin where - Ans:✔✔-silvers of rust subside along normal faults
an example of an embryonic rift basin is - Ans:✔✔-the East African rift
the afar triangle is a - Ans:✔✔-triangular depression right in the centre of the afar triple junction
the afar triangle separates the - Ans:✔✔-african, Somali and Arabian plates
Oceanic crust is being produced at mid oceanic ridges in the Red Sea and the Gulf of Aden - Ans:✔✔-
pushing the Arabian plate northwards
erte ale is one of the - Ans:✔✔-Shield volcanos in the afar triangle
Crust in the Afar Triangle is so thin - Ans:✔✔-that basaltic magma is erupting in great volumes
Because basaltic magma is fairly runny, - Ans:✔✔-it creates a shield volcano
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