Sample: ADK9

Sample ID:	ADK9 ^[1] ^[2] ^[3]
Station ID:	ADK9
AT Num:
Volcano:	Moffett parasitic cone
Possible source:
Eruption:
Collector:	Kay, R. W.
Date sampled:
Sample type 1:
Color:
Final unit:
Text Description:	Description from Walker (1974): Light andesite boulder in drift on top of section with samples ADK6 and ADK7. Most probably came from parasite cone. Description from Kay et al. (1978): Hornblende andesite. Fragment in tuff, parasitic cone, hornblende rims are oxidized. Color value from rock-color chart distributed by the Geological Society of America: (N7, Vd)
Sample Location:

References Cited

[1] Trace element variation in the volcanic rocks of Adak and Umnak Islands of the Aleutian Arc, 1974

Walker, A. T. III., 1974, Trace element variation in the volcanic rocks of Adak and Umnak Islands of the Aleutian Arc: Columbia University unpublished M.S. thesis, 39 p.

[2] Pb and Sr isotopes in volcanic rocks from the Aleutian Islands and Pribilof Islands, Alaska, 1978

Kay, R. W., Sun, S. S., and Lee-Hu, C. N., 1978, Pb and Sr isotopes in volcanic rocks from the Aleutian Islands and Pribilof Islands, Alaska: Geochimica et Cosmochimica Acta, v. 42, p. 263-274.

[3] Lead isotope studies of young volcanic rocks from oceanic islands, mid-ocean ridges, and island arcs, 1974

Sun, S. S., 1974, Lead isotope studies of young volcanic rocks from oceanic islands, mid-ocean ridges, and island arcs: Columbia University Ph.D. dissertaion, 139 p.

Alaska Volcano Observatory

Sample: ADK9

References Cited

[1] Trace element variation in the volcanic rocks of Adak and Umnak Islands of the Aleutian Arc, 1974

[2] Pb and Sr isotopes in volcanic rocks from the Aleutian Islands and Pribilof Islands, Alaska, 1978

[3] Lead isotope studies of young volcanic rocks from oceanic islands, mid-ocean ridges, and island arcs, 1974