Sample: 81ARJ075A
Sample ID: | 81ARJ075A [1] [2] | ||||||||||
Station ID: | 81ARJ075 | ||||||||||
AT Num: | |||||||||||
Volcano: | Edgecumbe | ||||||||||
Possible source: | Edgecumbe Edgecumbe | ||||||||||
Eruption: | Edgecumbe Tephra set (includes Mount Edgecumbe Dacite (MEd) Tephra) | ||||||||||
Collector: | Riehle, J. R. | ||||||||||
Date sampled: | 1981-08-26 | ||||||||||
Sample type 1: | Tephra Fall | ||||||||||
Color: | |||||||||||
Final unit: | |||||||||||
Text Description: | 1/2 m variable yell, red, bn "diamiction"- looking yellow pumice in soft fines matrix. | 2m internally bedded yell-pumice unit. Red "sponge" at bottom. Near center, 1/2m resembles salt-and-pepper. Fines to sand beds at top. Beds 10-50cm thick, very regular. | 4-5cm fine grey ash (75%gl) ; Samp B (69%gl) | 4-5m exposed of pumice-block ash deposit. Slightly coherent, no fines. Largest clasts ~30cm. Possibly top 1m slightly finer than rest- Samp A. | ||||||||||
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 30 mi |