Dust flux, Vostok ice core

Dust flux, Vostok ice core
Two dimensional phase space reconstruction of dust flux from the Vostok core over the period 186-4 ka using the time derivative method. Dust flux on the x-axis, rate of change is on the y-axis. From Gipp (2001).

Tuesday, August 16, 2011

Fifty times in forty years

That's the performance of gold. From $35/oz on August 15, 1971 to a close of $1766.20 at close on August 15, 2010.

Sounds impressive until you realize that that is only about 10.4% compounded annually.

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