6 b yrs figure 216 mid oceanic ridges spreading

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: http://www.youtube.com/watch? NR=1&v=sruSoUoZAUg&feature=endsc reen Striped Alterna)ng Magne)c PaRern Parallel to Mid- Oceanic Ridge Vine and MaRhews (early 1960s) Ocean floor <200 M yrs Earth = 4.6 B yrs • Figure 2.16 Mid-Oceanic Ridges = ‘Spreading Centers’ • Cooling, material becomes denser • Figure 2.15 Plate Movement Divergent Boundaries Oceanic Spreading/Rift Divergent Boundaries Continental Spreading East African RiK Valley Convergent Boundarie...
View Full Document

This note was uploaded on 01/16/2014 for the course CSE 132 taught by Professor Lang during the Winter '08 term at UC Irvine.

Ask a homework question - tutors are online