Alaska Volcano Observatory - Blue Mountain and The Gas Rocks: rear-arc dome clusters on the Alaska Peninsula

BLUE MOUNTAIN AND THE GAS ROCKS: REAR-ARC DOME CLUSTERS ON THE ALASKA PENINSULA

Hildreth, Wes, Fierstein, Judy, and Calvert, A.T., 2007, Blue Mountain and The Gas Rocks; rear-arc dome clusters on the Alaska Peninsula: in Haeussler, P.J., and Galloway, J.P., eds., Studies by the U.S. Geological Survey in Alaska, U.S. Geological Survey Professional Paper 1739-A, 27 p., available at http://pubs.usgs.gov/pp/pp1739/a/ .

USGS website with link to full-text PDF

DATA TABLES *Not all tables in a publication may be listed. Not all tables from a publication have data entered in the database.

1601: Chemical analyses of samples of eruptive products from Blue Mountain and The Gas Rocks

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* Major-element-oxide contents, normalized to H2O-free totals of 99.6 wt percent (allowing 0.4 wt percent to account for trace oxides and halogens), determined by wavelength-dispersive X-ray-fluorescence (XRF) analysis; trace-element concentrations determined by energy-dispersive XRF analysis. All samples analyzed at the US Geological Survey laboratory in Lakewood, CO;analyst, D.F. Siems. Precision and accuracy were discussed by Bacon and Druitt (1988) and Siems (2000). FeO*, total Fe calculated as FeO; original total, volatile-free sum of major oxides (in wt percent) before normalization, with total Fe calculated as Fe2O3; LOI, loss on ignition at 900 C (in wt percent). Suffix "-i" on sample number denotes enclave enclosed in host lava. See figure 3 for sample locations. *

SAMPLES

U-1
U-2
U-3
U-5
U-5-i
K-2689
U-4
K-2690
U-7A
U-7B
U-8
U-9
U-9-i
U-10
U-11
U-12
U-13
U-14
U-16
U-17
U-17-i
U-18
U-19
U-20
U-20-i
U-21
U-21-i
U-22
U-23
K-2693

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