Sample: 52-Fs-94
| Sample ID: | 52-Fs-94 [1] | ||||||||||||
| Station ID: | 52-Fs-94 | ||||||||||||
| AT Num: | |||||||||||||
| Volcano: | Tanaga | ||||||||||||
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| Eruption: | |||||||||||||
| Collector: | Fraser, G. D. | ||||||||||||
| Date sampled: | 1952-01-01 | ||||||||||||
| Sample type 1: | Lava | ||||||||||||
| Color: | |||||||||||||
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| Text Description: | Andesite basalt, flow or sill, S. Tanaga. Specimen 52-Fs-94 (Rittmann: andesine basalt) is a black, very fine grained rock. About 1 percent consists of scattered phenocrysts of plagioclase, clinopyroxene, and pseudomorphs after olivine. The groundmass has a strong flow structure and consists of microlites of calcic andesine, clinopyroxene, and opaque oxides. | ||||||||||||
| Sample Location: |
       7 88 159 17 80 133 111 7 25 120 97 51 Akutan Aniakchak Atka volcanic complex Augustine Cleveland Dutton Edgecumbe Fisher Gareloi Great Sitkin Griggs Iliamna Isanotski Kanaga Katmai Little Sitkin Mageik Makushin Martin Novarupta Pavlof Redoubt Semisopochnoi Shishaldin Snowy Spurr Takawangha Tanaga Trident Ugashik-Peulik Ukinrek Maars Veniaminof Westdahl Wrangell Adagdak Addington volcanic field Alagogshak Amak Amchixtam Chaxsxii Amukta Andrew Bay volcano Basalt of Gertrude Creek Behm Canal-Rudyerd Bay Black Peak Bobrof Bogoslof Buldir Buzzard Creek Camille Cone Capital Carlisle Chagulak Chiginagak Churchill, Mt Cone 3110 Cone 3601 Dana Davidof Denison Devils Desk Double Glacier Douglas Drum Duncan Canal Emmons Lake Volcanic Center Espenberg Folsoms Bluff Fourpeaked Frosty Gas Rocks, the Gilbert Gordon Gosling Cone Hayes Herbert Imuruk Lake Volc Field Ingakslugwat Hills Ingenstrem Depression Volcanic Field Ingrisarak Mtn Iron Trig cone Iskut-Unuk River cones Jarvis Jumbo Dome Kagamil Kaguyak Kasatochi Kejulik Kialagvik Kiska Klawasi Group Knob 1000 Kochilagok Hill Koniuji Kookooligit Mountains Koyuk-Buckland volcanics Kukak Kupreanof Lone basalt Maclaren River volcanic field Moffett Monogenetic QT vents of WWVF Morzhovoi Nelson Island Nunivak Island Nushkolik Mountain volcanic field Okmok Pavlof Sister Prindle Volcano Rainbow River cone Recheshnoi Roundtop Sanford Seguam Segula Sergief Skookum Creek St. George volcanic field St. Michael St. Paul Island Steller Stepovak Bay 1 Stepovak Bay 2 Stepovak Bay 3 Stepovak Bay 4 Suemez Island Table Top Mtn Tanada Peak Tanax̂ Angunax̂ Tlevak Strait Togiak volcanics Uliaga Ungulungwak Hill-Ingrichuak Hill Unnamed (near Ukinrek Maars) Vsevidof Western Cones Wide Bay cone Yantarni Yunaska Legend ✕
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References Cited
[1] Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska, 1959
Fraser, G. D., and Barnett, H. F., 1959, Geology of the Delarof and westernmost Andreanof Islands, Aleutian Islands, Alaska: in Investigations of Alaskan volcanoes, U.S. Geological Survey Bulletin 1028-I, p. 211-248, 4 sheets, scale 3 at 1:25,000, and 1 at 1:250,000.
full-text PDF 1.2 MB
plate 27 PDF 3.6 MB
plate 28 PDF 1.5 MB
plate 29 PDF 1.3 MB
plate 30 PDF 1.3 MB