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Gondwana Supercontinent Formation

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Questions and Answers

What geological event occurred around 500 million years ago in the southern Cape region?

Formation of the Agulhas Sea (correct)

Uplift of the Cape Peninsula

Formation of the Table Mountain Group of rocks

Intrusion of the Cape Granites

What type of rocks make up the upper part of Table Mountain?

Quartzites from the Table Mountain Group (correct)

Granites from the Peninsula Granite

Shales from the Malmesbury Group

Dolerite Sills from the Cape Granites

What is the relationship between the Cape Granites and the Malmesbury Group?

The Cape Granites are contemporaneous with the Malmesbury Group

The Cape Granites are unrelated to the Malmesbury Group

The Cape Granites are younger than the Malmesbury Group (correct)

The Cape Granites are older than the Malmesbury Group

What can be observed as black bands in the rock on Table Mountain?

Dolerite Sills Signup and view all the answers

What type of unconformity is characterized by older rocks being tilted and folded, then covered by younger sedimentary rocks?

Angular unconformity Signup and view all the answers

Where can the white, non-bedded intrusive rocks of the Cape Granite be seen?

At both Lion's Head and Chapman's Peak Signup and view all the answers

When did the process of assembling the supercontinent Gondwana begin?

700 million years ago Signup and view all the answers

What was the environment of the Adamastor Sea around 600 million years ago?

Shallow to deep marine environment Signup and view all the answers

What was the result of the subduction to the west of the Adamastor Sea?

Closure of the Adamastor Sea Signup and view all the answers

What is the evidence of mountain building in the Adamastor Sea region?

Saldania Belt Signup and view all the answers

What occurred in the Cape region around 550 million years ago?

Intrusion of magma (Cape granite suite) Signup and view all the answers

What was the result of the closure of the Adamastor Sea?

Formation of the supercontinent of Gondwana Signup and view all the answers