View source for Magnetotellurics case history: frontier basin analysis (Amazon Basin, Colombia)

==Survey results==

[[file:applying-magnetotellurics_fig16-5.png|500px|thumb|{{figure number|1}}Simulated cross section in the Amazon basin based on MT data. Drafted from data in Burgett et al.<ref name=ch16r2 />]]

The MT data clearly delineated a thick sedimentary section with internal units that could be correlated from site to site. Three resistivity “packages” were observed:

* 40–100 ohmm (sedimentary)
* 150–250 ohmm (sedimentary)
* >1000 ohmm (crystalline [[basement]])

[[:file:applying-magnetotellurics_fig16-5.png|Figure 1]] shows a simulated [[cross section]] in the Amazon basin based on MT data.