From the OMG files..

[dr_nebula]

Some of us remember when National Geographic was the a source of teenage p0rn in the days long before the internet or widespread smut magazines. In modern times - not so much, but sometimes the natural world has a mind of its own.

Taken full-sized map in the latest Nat'l Geo (page 47):

Comments

[mr_spock]

LOL! Your point is understood.

[bobdeloyd]

I looked at the map first and thought the same thing. Then I read the text and didn't feel so weird:)

That is rather....

[gythiawulfie]

eeeeeeeenteresting.... deposits.... snigger