Sample: AL09-01PU
Sample ID: | AL09-01PU [1] | ||||||||||
Station ID: | AL09-01 | ||||||||||
AT Num: | |||||||||||
Volcano: | Makushin | ||||||||||
Possible source: | |||||||||||
Eruption: | Makushin Driftwood Pumice | ||||||||||
Collector: | Lerner, A. H. | ||||||||||
Date sampled: | 2009-00-00 | ||||||||||
Sample type 1: | Tephra Fall | ||||||||||
Color: | yellow-brown | ||||||||||
Final unit: | |||||||||||
Text Description: | Upper Pumice is 3-20cm thick and dark yellow-brown, a mixture of brown-beige pumice and dark gray-black scoria (42 wt% and 23 wt% of layer, respectively) and an abundance of non-vitric lithics (32 wt% of layer). Overall the PU lapilli are poorly sorted and vary in mean grain size (6-14mm) with the layer. Scoriaceous clasts are larger tha pumiceous clasts and lithic fragments (mean dia ~5mm and ~3mm, respectively). Scoriaceous bombs up to 10cm in the long dimension occur up to 10km from summit. | ||||||||||
Sample Location: |
Akutan Aniakchak Atka volcanic complex Augustine Cleveland Dutton Edgecumbe Fisher Gareloi Great Sitkin Griggs Iliamna Isanotski Kanaga Katmai Little Sitkin Mageik Makushin Martin Novarupta Okmok Pavlof Redoubt Semisopochnoi Shishaldin Snowy Spurr Takawangha Tanaga Trident Ugashik-Peulik Ukinrek Maars Veniaminof Westdahl Wrangell Legend ✕
30 km 10 mi |