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).

Sunday, August 20, 2017

Metals (updated)

Some gold and silver on display at Ottawa's Museum of Nature.

I've always like dendritic gold

Wiry native silver

Native copper

Had some problems with my SD card reader, and found a few more:

Another dendritic gold

Looks like a euhedral gold grain suffering from some wear.

Nice nugget

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