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4 December, 2001
This day began with a bit of a lesson on the crystals that are found
all around the summit and crater rim of Erebus. Bill McIntosh hauled out a
bag of anorthoclase feldspar crystals, and discussed their symmetry,
different mechanisms by which "twins" are formed, the reasons for their
surface appearance, and how they are formed within the magma chamber. I
hope to return with some samples myself. That was at one o'clock AM. I
went to bed and woke up to...a true Antarctic gale! It was -25 degrees
Celsius, with winds gusting up to 20 knots. We were basically "in hut" for
the morning. A planned helicopter drop was scrapped, and nine people busied
themselves with laptops, soldering irons, notebooks, and other chores.
The afternoon settled down enough for the helicopter to visit, the GPS
people to get out and check a few sites, and I gathered volcanic ash from
the surface of the snow. I am affixing it to slides to view under the
microscope, much like the Pele's Hair. Through the microscope it looks
nothing like it does on the ground, or even in your hand. Again, the glassy
nature of material spewed out of the volcano is evident upon close
inspection.
In the afternoon, the weather came back even stronger. This feels
like Antarctica! The windchill factor was 80 degrees below zero (F), with
the temperature well below negative 20. The sky is blue. When the blowing
snow isn't in your way, visibility is unlimited. The clouds are windblown
sculptures. With good gear, it's pretty cool to be outside. For a little
while....
Another technical detail. I'm still having a lot of difficulty posting
journal entries (sorry I whine about this so much, but it's taking
hours....) Also, when this system randomly works I post pictures for older
journal entries. So if you've already read entries without pictures, there
may be some there now. I'll keep plugging away.
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Clockwise from top left: 1) Bill McIntosh with a collection of crystals 2) Today's weather comes blowing in over the top of Mt. Erebus 3) The helicopter drops off heavyweight supplies 4) This happened in 1970. There were no casualties, believe it or not! _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
On the left is our 16'X24' (inside) hut. On the right is my tent. (Note the ice towers in the distance.)
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