Sample: 2005JDDS02


Sample ID: 2005JDDS02 [1] [2]
Station ID: 2005JDDS02
AT Num:
Volcano: Jumbo Dome
Possible source:
Eruption:
Collector: Stevens, D. P.
Date sampled: 2005-01-01
Sample type 1: Lava
Color:
Final unit:
Text Description: 15% hornblende, 3x0.5mm in finegrained holocrystalline pink groundmass. Notable lack of plagioclase phenocrysts. Sample derived from massive, frost-rived blocks of dacite, on the north-northeast edge of the summit area.
Sample Location:

References Cited

[1] Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska, 2006

Athey, J.E., Newberry, R.J., Werdon, M.B., Freeman, L.K., Smith, R.L., and Szumigala, D.J., 2006, Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2006-2 v. 1.0.1, 98 p., 1 sheet, scale 1:50,000.

[2] Jumbo Dome, Interior Alaska: Whole-rock, major- and trace-element analyses, 2015

Cameron, C.E., Nye, C.J., Bull, K.F., and Woods, Rebecca-Ellen, 2015, Jumbo Dome, Interior Alaska: Whole-rock, major- and trace-element analyses: Alaska Division of Geological & Geophysical Surveys Raw Data File 2015-14, 3 p. doi:10.14509/29520