Okmok - Samples

SAMPLES

Sample has geochemical data available

Sample ID	Date Sampled	Reference
10JFLOK024A	2010-08-06	[1]
10JFLOK024B	2010-08-06	[1]
10JFLOK014A	2010-07-31	[1]
10JFLOK014B	2010-07-31	[1]
10JFLOK014C	2010-07-31	[1]
10JFLOK014D	2010-07-31	[1]
10JFLOK017A	2010-07-31	[1]
10JFLOK017B	2010-07-31	[1]
10JFLOK017C	2010-07-31	[1]
10JFLOK017D	2010-07-31	[1]
10JFLOK018A	2010-07-31	[1]
10JFLOK018C	2010-07-31	[1]
10JFLOK011A	2010-07-29	[1]
10JFLOK011B	2010-07-29	[1]
10JFLOK009A	2010-07-26	[1]
10JFLOK010A	2010-07-26	[1]
10JFLOK008A	2010-07-25	[1]
10JFLOK004A	2010-07-24	[1]
10JFLOK006	2010-07-24	[1]
10JFLOK001	2010-07-23	[1]
10JFLOK002a	2010-07-23	[1]
08JFLOK016b	2008-09-09	[1]
03JLOKgates2d	2003-01-01	[2]
03OK-33-1-JEB	2003-01-01	[2]
02DLOK001	2002-01-01	[1]
02DLOK002	2002-01-01	[1]
02DLOK003	2002-01-01	[1]
02DLOK004	2002-01-01	[1]
02DLOK005	2002-01-01	[1]
02DLOK006	2002-01-01	[1]
02DLOK007	2002-01-01	[1]
CNO02-05	2002-01-01	[1]
CNO02-10	2002-01-01	[1]
CNO02-18	2002-01-01	[1]
CNO02-19	2002-01-01	[1]
CNO02-20	2002-01-01	[1]
01NYO-06	2001-01-01	[1]
01NYO-08	2001-01-01	[1]
01NYO-09	2001-01-01	[1]
01NYO-10	2001-01-01	[3] [2]
JS01OK04-1	2001-01-01	[1]
01JLOK56E	2001-01-01	[1]
CNO01-08	2001-01-01	[1]
CNO01-09	2001-01-01	[1]
CNO01-14	2001-01-01	[1]
CNO01-22	2001-01-01	[1]
CNO01-24	2001-01-01	[1]
01DGOK04	2001-01-01	[3]
01DGOK05	2001-01-01	[3] [1]
01DGOK06	2001-01-01	[3] [1]
01NYO-21	2001-01-01	[1]
01DGOK11	2001-01-01	[3] [1]
01DGOK12	2001-01-01	[3] [1]
01DGOK13	2001-01-01	[3] [1]
01DGOK14	2001-01-01	[3] [1]
01DGOK15	2001-01-01	[3] [1]
01DGOK18	2001-01-01	[3] [1]
01DGOK20	2001-01-01	[3] [1]
01DGOK21	2001-01-01	[3] [1]
01DGOK22	2001-01-01	[3] [1]
CNO01-27	2001-01-01	[1]
CNO01-28	2001-01-01	[1]
00-OK-42-1	2001-01-01	[4]
00JLOK42-04	2000-01-01	[5]
00JLOK42-03	2000-01-01	[5]
00JLOK35A	2000-01-01	[1]
00JLOK29K	2000-01-01	[5]
00JLOK29G	2000-01-01	[5]
00JLOK29D	2000-01-01	[5]
BF00-1958F	2000-01-01	[3] [5] [1]
BF00-1997F	2000-01-01	[3] [5] [1]
BF00-A1	2000-01-01	[3] [5] [1]
BF00-B1	2000-01-01	[3] [5] [1]
BF00-B2	2000-01-01	[3] [5] [1]
BF00-C1	2000-01-01	[3] [5] [1]
BF00-CR1	2000-01-01	[5]
BF00-CR2	2000-01-01	[5]
BF00-CR3	2000-01-01	[5]
BF00-CR4	2000-01-01	[5]
BF00-CR5	2000-01-01	[5]
BF00-CR6	2000-01-01	[5]
BF00-CR7	2000-01-01	[5]
BF00-CRP1	2000-01-01	[5]
BF00-CRP2	2000-01-01	[5]
BF00-CRS1	2000-01-01	[5]
BF00-D1	2000-01-01	[3] [5] [1]
BF00-E1	2000-01-01	[3] [5] [1]
BF00-E2	2000-01-01	[3] [5] [1]
BF00-F1	2000-01-01	[3] [5] [1]
BF00-G1	2000-01-01	[3] [5] [1]
BF00-G2	2000-01-01	[3] [5] [1]
BF00-H1	2000-01-01	[3] [5] [1]
BF00-I1	2000-01-01	[5] [1]
00JLOK42Dd	2000-01-01	[5]
00JLOK42Da	2000-01-01	[5]
00JLOK32	2000-01-01	[5]
00-OK-1-3	2000-01-01	[4]
00-OK-1-4	2000-01-01	[4]
00-OK-1-5	2000-01-01	[4]
00-OK-1-6	2000-01-01	[4]
00-OK-14-1	2000-01-01	[4]
00-OK-16-3	2000-01-01	[4]
00-OK-16-4	2000-01-01	[4]
00-OK-16-6	2000-01-01	[4]
00-OK-18-3	2000-01-01	[4]
00-OK-19-1	2000-01-01	[4]
00-OK-22-1	2000-01-01	[4]
00-OK-22-2	2000-01-01	[4]
00-OK-22-4	2000-01-01	[4]
00-OK-42-2	2000-01-01	[4]
00-OK-71-1	2000-01-01	[4]
00-OK-71-5	2000-01-01	[4]
00-OK-80-1	2000-01-01	[4]
99JLOK18A	1999-01-01	[5]
99JLOK17	1999-01-01	[5]
99JLOK15B	1999-01-01	[5]
99JLOK15a	1999-01-01	[5]
99JLOK4B	1999-01-01	[5]
99JLOK4G10	1999-01-01	[5]
99JLOK4G5	1999-01-01	[5]
99JLOK4G7	1999-01-01	[5]
99JLOK4G3	1999-01-01	[5]
99JLOK20A	1999-01-01	[5]
99JLOK20D	1999-01-01	[5]
99JLOK4Gbase	1999-01-01	[5]
98JLOK5A	1998-01-01	[5]
98JLOK3A	1998-01-01	[5]
98JLOK2B	1998-01-01	[5]
98JLOK2A	1998-01-01	[5]
98JLOK1B	1998-01-01	[5]
98JLOK1A	1998-01-01	[5]
98JLOK4B	1998-01-01	[5]
98JLOK4G	1998-01-01	[5]
98JLOK6Ha	1998-01-01	[5]
87-01-01	1987-01-01	[6]
87-01-02	1987-01-01	[6]
87-01-03	1987-01-01	[6]
87-01-04	1987-01-01	[6]
87-01-05	1987-01-01	[6]
87-02-03	1987-01-01	[7]
87-02-04	1987-01-01	[7]
87-03-01	1987-01-01	[7] [8]
87-04-01	1987-01-01	[7]
87-05-01	1987-01-01	[7]
87-06-01	1987-01-01	[7] [8]
87-07a-02	1987-01-01	[7]
87-08-01	1987-01-01	[7]
87-08-02	1987-01-01	[7] [8]
87-08-03	1987-01-01	[7]
87-08-04	1987-01-01	[7]
87-08-05	1987-01-01	[7]
87-08-06	1987-01-01	[7]
87-08-08	1987-01-01	[7]
87-08-09	1987-01-01	[7] [8]
87-08-10	1987-01-01	[7]
87-08-11	1987-01-01	[7]
87-08-12	1987-01-01	[7]
87-08-13	1987-01-01	[7]
87-08-14	1987-01-01	[7]
87-10-01	1987-01-01	[7]
87-10-03	1987-01-01	[7]
87-10-05	1987-01-01	[7]
87-10-06A	1987-01-01	[7]
87-10-07	1987-01-01	[7]
87-10-08	1987-01-01	[7]
87-11-01	1987-01-01	[7]
87-15-01	1987-01-01	[7]
87-16-01	1987-01-01	[6]
87-17-01	1987-01-01	[6]
87-17-02	1987-01-01	[7] [8]
87-18-01	1987-01-01	[6]
87-18-02	1987-01-01	[6]
87-18-03	1987-01-01	[6]
87-18-04	1987-01-01	[6]
87-19-01	1987-01-01	[6]
87-19-02	1987-01-01	[6]
87-19-03	1987-01-01	[6]
87-20-02A	1987-01-01	[7]
87-20-02B	1987-01-01	[7]
87-20-03	1987-01-01	[7]
87-20-04	1987-01-01	[7]
87-20-07	1987-01-01	[7]
87-20-09	1987-01-01	[7]
87-20-11	1987-01-01	[7]
87-20-12	1987-01-01	[7]
87-20-13	1987-01-01	[7]
87-21-01	1987-01-01	[6]
87-21-02	1987-01-01	[6]
87-22-01	1987-01-01	[6]
87-22-02	1987-01-01	[6]
87-23-01	1987-01-01	[6]
87-23-02	1987-01-01	[6]
87-23-03	1987-01-01	[6]
87-24-01	1987-01-01	[6]
87-24-03	1987-01-01	[6]
87-24-05	1987-01-01	[6]
87-24-08	1987-01-01	[6]
87-24-10	1987-01-01	[6]
87-24-12	1987-01-01	[6]
87-24-16	1987-01-01	[6]
87-24-19	1987-01-01	[6]
87-24-21	1987-01-01	[6]
87-24-23	1987-01-01	[6]
87-24-25	1987-01-01	[6]
87-24-27	1987-01-01	[6]
87-28-01	1987-01-01	[6]
87-28-02	1987-01-01	[6]
87-29-01	1987-01-01	[6]
87-29-02	1987-01-01	[7]
87-29-02A	1987-01-01	[6]
87-29-03	1987-01-01	[6]
87-29-04	1987-01-01	[6]
87-29-05	1987-01-01	[6]
87-29-06	1987-01-01	[6]
87-30-01	1987-01-01	[6]
87-31-01	1987-01-01	[6]
87-32-01	1987-01-01	[6]
87-32-02	1987-01-01	[6]
87-32-03	1987-01-01	[6]
87-32-04	1987-01-01	[6]
87-32-05	1987-01-01	[6]
87-32-07	1987-01-01	[6]
87-32-09	1987-01-01	[6]
87-32-10	1987-01-01	[6]
87-32-11	1987-01-01	[6]
id-01sc	1980-01-01	[9] [10]
id-01w	1980-01-01	[9] [10] [11]
id-02sc	1980-01-01	[9] [10]
id-01ol	1980-01-01	[9] [10]
as-01sc	1980-00-00	[9]
as-02sc	1980-00-00	[9]
as-03sc	1980-00-00	[9]
as-04sc	1980-00-00	[9] [10]
as-05sc	1980-00-00	[9]
as-06sc	1980-00-00	[9]
as-07sc	1980-00-00	[9]
as-08sc	1980-00-00	[9]
as-09sc	1980-00-00	[9]
as-10sc	1980-00-00	[9]
cc-01sc	1980-00-00	[9]
cc-01w	1980-00-00	[9] [11]
cc-02sc	1980-00-00	[9]
cc-02w	1980-00-00	[9] [11]
cc-03sc	1980-00-00	[9]
cc-03w	1980-00-00	[9] [11]
cc-04sc	1980-00-00	[9]
cc-04w	1980-00-00	[9] [11]
cc-05sc	1980-00-00	[9]
cc-05w	1980-00-00	[9] [11]
id-03sc	1980-00-00	[9] [10]
id-04sc	1980-00-00	[9] [10]
id-05sc	1980-00-00	[9] [10]
id-06sc	1980-00-00	[9] [10]
id-07sc	1980-00-00	[9] [10]
id-08sc	1980-00-00	[9] [10]
id-09asc	1980-00-00	[9] [10]
id-09bsc	1980-00-00	[9] [10]
id-11sc	1980-00-00	[9] [10]
id-12sc	1980-00-00	[9] [10]
id-13sc	1980-00-00	[9] [10]
id-14sc	1980-00-00	[9] [10]
id-18sc	1980-00-00	[9] [10]
id-18w	1980-00-00	[9] [10] [11]
id-19sc	1980-00-00	[9] [10]
id-20sc	1980-00-00	[9] [10]
id-22sc	1980-00-00	[9] [10]
id-23sc	1980-00-00	[9] [10]
id-24sc	1980-00-00	[9] [10]
id-25sc	1980-00-00	[9] [10]
id-25w	1980-00-00	[9] [10] [11]
id-26sc	1980-00-00	[9] [10]
ok-01sc	1980-00-00	[9]
ok-01w	1980-00-00	[9] [11]
ok-02aw	1980-00-00	[9] [11]
ok-02bw	1980-00-00	[9] [11]
ok-02sc	1980-00-00	[9]
ok-03sc	1980-00-00	[9]
ok-03w	1980-00-00	[9] [11]
ok-04sc	1980-00-00	[9]
ok-05sc	1980-00-00	[9]
ok-06sc	1980-00-00	[9]
ok-06w	1980-00-00	[9] [11]
ok-07sc	1980-00-00	[9]
47 ABy 44	1947-01-01	[12] [13]
47 ABy 26	1947-01-01	[12] [13]
46 ABy 531	1946-01-01	[12] [13]
46 ABy 92	1946-01-01	[12] [13]
46 ABy 132	1946-01-01	[12] [13]
46 AFr 28	1946-01-01	[12] [13]
46 ABy 609	1946-01-01	[12] [13]
46 AHp 68	1946-01-01	[12] [13]
46 ABy 29	1946-01-01	[12] [13]
46 ABy 70	1946-01-01	[12] [13]
46 ABy 45	1946-01-01	[12] [13]
46 ABy 54	1946-01-01	[12] [13]
46 ABy 13	1946-01-01	[12] [13]
46 ABy 6	1946-01-01	[12] [13]
46 ABy 63	1946-01-01	[12] [13]
46 ABy 15	1946-01-01	[12] [13]
46 AFr 2	1946-01-01	[12] [13]
46 ABy 30a	1946-01-01	[12] [13]
45-95	1945-01-01	[12] [13]
45-73	1945-01-01	[12] [13]
Qo(b)1	0000-00-00	[7]
QO3	0000-00-00	[7]
UM6	0000-00-00	[14]
02LWOK1-J1	0000-00-00	[15]
02LWOK1-J2	0000-00-00	[15]
02LWOK2-J2c	0000-00-00	[15]
02LWOK2-Jlbase	0000-00-00	[15]
02LWOK2-Jlmid	0000-00-00	[15]
02LWOK2-Jltop	0000-00-00	[15]
02LWOK2-L2B	0000-00-00	[15]
02LWOK2-LID	0000-00-00	[15]
02LWOK2-Llb	0000-00-00	[15]
02LWOK3-L5	0000-00-00	[15]
48 Um 11		[12] [13]
LF87-08-08		[7]
QAF45		[7]
QAF70		[7] [8]
QCB1		[7] [8]
QCB10		[7]
QCB12		[7] [8]
QCB13		[7]
QCB14		[7]
QCB15		[7]
QCB16		[7] [8]
QCB2		[7]
QCB3		[7]
QCB4		[7]
QCB5		[7]
QCB6		[7]
QCB7		[7] [8]
QCB8		[7]
QCB9		[7]
QCF1		[7]
QCF2		[7]
QCF3		[7] [8]
QCF4		[7]
QCF5		[7]
QDF1		[7] [8]
QDF2		[7]
QDF3		[7]
QEF1		[7] [8]
QFF1		[7]
UM10		[16] [17]
UM11		[14]
UM13		[14]
UM16		[14] [16] [18]
UM17		[14]
UM18		[14] [16] [17] [18]
UM2		[14] [16] [18]
UM26		[14] [16] [18]
UM4		[14] [16] [17] [18]
UM5		[14] [16] [17] [18]
ID16		[9] [19] [10]
QRQ		[9]
RMCP-2		[9]
OKUM6		[20]
UM21		[20]
UM16N		[20]
Okmok Rhyolite		[21]
UM15		[22]
OA-1		[23]

REFERENCES

^[1] The 2008 eruption of Okmok Volcano, Alaska: Petrological and geochemical constraints on the subsurface magma plumbing system, 2013

Larsen, J.F., Sliwinski, M.G., Nye, Christopher, Cameron, Cheryl, and Schaefer, J.R., 2013, The 2008 eruption of Okmok Volcano, Alaska: Petrological and geochemical constraints on the subsurface magma plumbing system: Journal of Volcanology and Geothermal Research, v. 264, p. 85-106, doi:10.1016/j.jvolgeores.2013.07.003 .

http://dx.doi.org/10.1016/j.jvolgeores.2013.07.003

^[2] The role of water in generating the calc-alkaline trend: new volatile data for Aleutian magmas and a new tholeiitic index, 2010

Zimmer, M.M., Plank, Terry, Hauri, E.H., Yogodzinski, G.M., Stelling, Peter, Larsen, Jessica, Singer, Brad, Jicha, Brian, Mandeville, Charles, and Nye, C.J., 2010, The role of water in generating the calc-alkaline trend: new volatile data for Aleutian magmas and a new tholeiitic index: Journal of Petrology, v. 5, n. 12, p. 2411, 2444, doi:10.1093/petrology/egq062 .

http://dx.doi.org/10.1093/petrology/egq062

^[3] Post-caldera eruptions at Okmok volcano, Umnak Island, Alaska, with emphasis on recent eruptions from Cone A, 2003

Grey, D. M., 2003, Post-caldera eruptions at Okmok volcano, Umnak Island, Alaska, with emphasis on recent eruptions from Cone A: University of Alaska Fairbanks unpublished M.S. thesis, 135 p.

^[4] Paleohydrology of a catastrophic flood release from Okmok caldera and post-flood eruption history at Okmok Volcano, Umnak Island, Alaska, 2001

Wolfe, B. A., 2001, Paleohydrology of a catastrophic flood release from Okmok caldera and post-flood eruption history at Okmok Volcano, Umnak Island, Alaska: University of Alaska Fairbanks unpublished M.S. thesis, 100 p.

^[5] Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, Aleutian Islands, Alaska, 2004

Finney, B.M., 2004, Magmatic differentiation at an island-arc caldera: a stratigraphically constrained multi-isotope study of Okmok Volcano, Aleutian Islands, Alaska: University of Bristol Ph.D. dissertation, 296 p.

^[6] Petrogenesis of adjacent calc-alkaline and tholeiitic volcanoes on Umnak Island, Aleutian Islands, Alaska, 1995

Miller, D. M., 1995, Petrogenesis of adjacent calc-alkaline and tholeiitic volcanoes on Umnak Island, Aleutian Islands, Alaska: Columbia University Ph.D. dissertation, 476 p.

^[7] The importance of parental magma composition to calc-alkaline and tholeiitic evolution: evidence from Umnak Island in the Aleutians, 1992

Miller, D. M., Langmuir, C. H., Goldstein, S. L., and Franks, A. L., 1992, The importance of parental magma composition to calc-alkaline and tholeiitic evolution: evidence from Umnak Island in the Aleutians: Journal of Geophysical Research, v. 97, n. B1, p. 321-343.

^[8] Cerium/ lead and lead isotope ratios in arc magmas and the enrichment of lead in the continents, 1994

Miller, D. M., Goldstein, S. L., and Langmuir, C. H., 1994, Cerium/ lead and lead isotope ratios in arc magmas and the enrichment of lead in the continents: Nature, v. 368, n. 6471, p. 514-520.

^[9] Petrology and geochemistry of Okmok and Wrangell volcanoes, Alaska, 1983

Nye, C. J., 1983, Petrology and geochemistry of Okmok and Wrangell volcanoes, Alaska: University of California, Santa Cruz Ph.D. dissertation, 208 p.

^[10] Geochemistry of primary and least fractionated lavas from Okmok volcano, Central Aleutians: implications for arc magmagenesis, 1986

Nye, C. J., and Reid, M. R., 1986, Geochemistry of primary and least fractionated lavas from Okmok volcano, Central Aleutians: implications for arc magmagenesis: Journal of Geophysical Research, v. 91, n. B10, p. 10,271-10,287.

^[11] Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell, 2018

Nye, C.J., Beget, J.E., Layer, P.W., Mangan, M.T., McConnell, V.S., McGimsey, R.G., Miller, T.P., Moore, R.B., and Stelling, P.L., 2018, Geochemistry of some quaternary lavas from the Aleutian Arc and Mt. Wrangell: Alaska Division of Geological & Geophysical Surveys Raw Data File 2018-1, 29 p. http://doi.org/10.14509/29843

http://dx.doi.org/http://doi.org/10.14509/29843

publication on DGGS website.

^[12] Petrology of three volcanic suites, Umnak and Bogoslof Islands, Aleutian Islands, Alaska, 1961

Byers, F. M., 1961, Petrology of three volcanic suites, Umnak and Bogoslof Islands, Aleutian Islands, Alaska: Geological Society of America Bulletin, v. 72, n. 1, p. 93-128.

^[13] Geology of Umnak and Bogoslof Islands, Aleutian Islands, Alaska, 1959

Byers, F. M. Jr., 1959, Geology of Umnak and Bogoslof Islands, Aleutian Islands, Alaska: in Investigations of Alaskan volcanoes, U.S. Geological Survey Bulletin 1028-L, p. 267-369, 5 sheets, scale 1 at 1:63,360, 1 at 1:96,000, and 1 at 1:300,000.

full-text PDF : 3.5 MB

plate 39 PDF : 2.2 MB

plate 40 PDF : 3.9 MB

plate 41 PDF : 5.6 MB

plate 48 PDF : 85 KB

talbe 3 PDF : 149 KB

^[14] 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.

^[15] Physical volcanology of a sub-plinian and phreatomagmatic eruption at Okmok Volcano, Alaska: implications for explosive mafic volcanism, 2004

Wong, L.J., 2004, Physical volcanology of a sub-plinian and phreatomagmatic eruption at Okmok Volcano, Alaska: implications for explosive mafic volcanism: University of Alaska Fairbanks unpublished M.S. thesis, 117 p.

^[16] 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.

^[17] Geochemical constraints on the origin of Aleutian magmas, 1977

Kay, R. W., 1977, Geochemical constraints on the origin of Aleutian magmas: in Talwani, Manik and Pitman, W. C. III., (eds.), Island arcs, deep sea trenches and back-arc basins, American Geophysical Union Maurice Ewing Series 0001, p. 229-242.

^[18] 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.

^[19] Ultramafic xenoliths from Adagdak volcano, Adak, Aleutian Islands, Alaska: deformed igneous cumulates from the Moho of an island arc, 1987

Debari, S., Mahlburg, K. S., and Kay, R. W., 1987, Ultramafic xenoliths from Adagdak volcano, Adak, Aleutian Islands, Alaska: deformed igneous cumulates from the Moho of an island arc: Journal of Geology, v. 95, n. 3, p. 329-341.

^[20] Aleutian magmas in space and time, 1994

Kay, S. M., and Kay, R. W., 1994, Aleutian magmas in space and time: in Plafker, George and Berg, H. C., (eds.), The Geology of Alaska, Geological Society of America The Geology of North America series v. G-1, p. 687-722.

^[21] Volcanic arc magmas: Implications of a melting-mixing model for element recycling in the crust-upper mantle system, 1980

Kay, R.W., 1980, Volcanic arc magmas: Implications of a melting-mixing model for element recycling in the crust-upper mantle system: The Journal of Geology, v, 88, n. 5, p. 497-522.

^[22] The systematics of lithium abundances in young volcanic rocks, 1987

Ryan, J.G., and Langmuir, C.H., 1987, The systematics of lithium abundances in young volcanic rocks: Geochimica et Cosmochimica Acta, v. 51, p. 1727-1741.

^[23] Low-delta (super 18) O tephra from a compositionally zoned magma body: Fisher Caldera, Unimak Island, Aleutians, 2001

Bindeman, I. N., Fournelle, J. H., and Valley, J. W., 2001, Low-delta (super 18) O tephra from a compositionally zoned magma body: Fisher Caldera, Unimak Island, Aleutians: Journal of Volcanology and Geothermal Research, v. 111, n. 1-4, Amsterdam, Netherlands, Elsevier, p. 35-53.

Okmok samples