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Sample ID:FC-162
Station ID:FC-162
Date Sampled:2000-07-25
Sample Type 1:Tephra Fall
Sample Type 2:Bulk
Text Description:
Fisher airfall and PF found (?). Base is 1 cm lt. Grey ash (upper 1/2 has pinkish tint), then 1cm tan pumice, 11cm PF(?), then 16 cm drk grey airfall with thin band of fine grained material ~2/3 way up. LL=24x15mm. Below fall layers is orangey brown clayey soil (25cm), which grades into alluvial(whitish grey) through ~15 cm of brn/drk tan clay. Alluvial stuff is > 5m thick and locally well indurated. Bulk sample of upper fall layer (including both coarse and fine layers)

Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes


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