Introduction to the Lithosphere (Grade 11 NSC Matric Physical Sciences): Flashcards
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Lithosphere definition
Lithosphere definition
Solid rocky outer shell: crust + upper mantle
Earth's 4 main layers
Earth's 4 main layers
Inner core, outer core, mantle, crust
Most abundant element in Earth's crust
Most abundant element in Earth's crust
Oxygen (O)
8 rock-forming elements
8 rock-forming elements
O, Si, Al, Fe, Ca, Na, K, Mg
Middle Stone Age key advancement
Middle Stone Age key advancement
Using fire to treat stones before making tools
Bronze Age innovation (10,000 B.C. - 100 A.D.)
Bronze Age innovation (10,000 B.C. - 100 A.D.)
First use of smelted copper and bronze
Where were diamonds found in 1860s SA?
Where were diamonds found in 1860s SA?
Outside Kimberley
What are minerals?
What are minerals?
Natural compounds formed through geological processes
3 main types of rocks
3 main types of rocks
Igneous, sedimentary, metamorphic
What is ore?
What is ore?
Rock volume with minerals valuable for mining