Lecture 9: Oceanic Basalts
Lecture 9: Oceanic Basalts
Lecture 9: Oceanic Basalts
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
15.70<br />
15.60<br />
15.50<br />
15.40<br />
15.30<br />
8.5<br />
Northern Hemisphere Reference Line<br />
8.4<br />
Geochron<br />
8.3<br />
Δ7/4<br />
μ = 8.2<br />
17.0 17.5 18.0 18.5 19.0 19.5 20.0 20.5<br />
206 Pb/<br />
204 Pb<br />
207 Pb/<br />
204 Pb