Introduction Flashcards
1
Q
What are the major elements and what classifies as ‘major’?
A
> 1%, SiO2, Al2O3, FeO, Fe203, MgO, CaO, Na2O, K2O
2
Q
What are the minor elements and what classifies as ‘minor’?
A
<1%, TiO2, MnO, P2O5
3
Q
What are the volatiles complexes?
A
H2O, CO2, SO2, Cl, F
4
Q
What classifies as ‘trace’?
A
<0.1%
5
Q
How are stars born?
A
H+ condensation
6
Q
What happens to elements?
A
Forming during fusion and supernovae, dispersed, and this matter collapses gravitationally to form solar systems
7
Q
When was the Earth formed?
A
4.56Ba
8
Q
Where does evidence come from?
A
Meteorites, such as Chondrites, as no material survived
