updated 6/28/2004 keith georef data 1985-057419 TI "The May 18, 1980, eruption of Mount St. Helens; 1, Melt composition and experimental phase equilibria." AU Rutherford-M-J; Sigurdsson-Haraldur; Carey-Steven; Davis-Andrew AF "Brown Univ., Dep. Geol. Sci., Providence, RI, United States" SO "JGR. Journal of Geophysical Research. B. 90; 4, Pages 2929-2947. 1985." PB "American Geophysical Union. Washington, DC, United States. 1985." CP United-States PY 1985 LA English DE Cascade-Range; composition-; dacites-; eruptions-; experimental-studies; explosive-eruptions; fluid-inclusions; glasses-; hydrothermal-conditions; igneous-rocks; inclusions-; magmas-; melts-; mineral-composition; Mount-Saint-Helens; P-T-conditions; phase-equilibria; pumice-; pyroclastics-; Skamania-County-Washington; United-States; volatiles-; volcanic-rocks; volcanoes-; volcanology-; Washington- CC 05A-Igneous-and-metamorphic-petrology DT Serial BL Analytic MC LAT| N461200; N461200; LONG: W1221100; W1221100. IL Refs 44; illus. incl. 7 tables. RF "GeoRef, Copyright 2002, American Geological Institute." IS 0196-6936 AN 1985-057419 UD 1985 Sample Data Item LOCATION_NAME LOCATION_COMMENT ELEVATION_MIN ELEVATION_MAX SAMPLE_COMMENT SAMPLE_COMMENT ROCK_TYPE ROCK _CLASS Age Age_Max Age_Min SAMPLE_COMMENT2 ERUPTION DAY ERUPTION MONTH ERUPTION YEAR ALTERATION TYPE OF MATERIAL HEATING LATDD LONGDD SIO2 TIO2 AL2O3 FEOT FEO CAO MGO MNO K2O NA2O STATE Units m m Ma Ma Ma DD DD WT% WT% WT% WT% WT% WT% WT% WT% WT% WT% Method 4 4 4 2 2 2 3 3 1 1 1 1 1 1 1 1 1 1 Sample Name s_113B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62.8 0.6 17.9 3.91 5.29 1.7 0.07 1.29 4.88 WASHINGTON s_114B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 65.2 0.56 16.3 3.76 3.99 1.83 0.09 1.32 4.64 WASHINGTON s_116A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 65.2 0.7 16.1 4.09 4.16 1.87 0.08 1.38 4.91 WASHINGTON s_140B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 74.4 0.79 12.2 3.45 1.19 0.2 0.06 2.52 4.37 WASHINGTON s_126B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 70.2 0.69 14 3.28 2.51 0.64 0.13 1.8 4.94 WASHINGTON s_129B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 75.6 0.83 12.3 3 1.27 0.16 0.03 2.58 4.66 WASHINGTON s_139B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 73.6 0.86 12.7 2.59 1.66 0.27 0.09 2.22 4.31 WASHINGTON s_160C CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 73.6 0.38 13.1 2.29 1.69 0.23 0 2.16 4.23 WASHINGTON s_153B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 69.9 0.47 13.3 2.6 2.15 0.41 0.05 1.68 4.74 WASHINGTON s_160B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 71.4 0.42 13.3 2.33 1.95 0.32 0.02 1.76 4.31 WASHINGTON s_156B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 66.8 0.68 15.2 3.85 3.4 1.49 0.08 1.54 4.92 WASHINGTON s_155B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 68 0.66 14.2 3.49 2.7 0.91 0.02 1.64 4.64 WASHINGTON s_159B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 68.8 0.67 15 3.73 3.09 0.89 1.67 4.78 WASHINGTON s_157B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 69.2 0.47 13.5 2.73 2.17 0.44 1.88 5.49 WASHINGTON s_153A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62.9 0.55 16.3 3.3 4.09 1.23 0.06 1.14 4.13 WASHINGTON s_141A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 64.4 0.55 17 3.53 4.47 1.67 0.1 1.22 4.61 WASHINGTON s_158B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 73.9 0.51 13.6 3.12 1.95 0.44 0.01 2.05 4.77 WASHINGTON s_186B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62.98 0.55 16.98 3.29 4.44 1.58 0.04 1.04 4.55 WASHINGTON s_186C CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 67.28 0.73 14.67 3.44 2.98 0.84 0.02 1.51 4.5 WASHINGTON s_128A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62.7 0.57 16.5 3.18 4.59 1.92 0.12 1.13 5.12 WASHINGTON s_146A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 63 0.5 16.4 3.24 4.18 1.46 0.1 1.01 4.89 WASHINGTON s_147A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 64.7 0.54 15.8 3.04 3.69 1.04 1.24 4.78 WASHINGTON s_139A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62.1 0.49 16.9 2.81 4.65 1.25 0.11 0.88 4.65 WASHINGTON s_160A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 64.3 0.41 16.5 3.11 3.64 0.89 0.03 1.25 4.36 WASHINGTON s_141A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 64 0.54 15.9 3.3 3.97 1.49 0.1 1.14 4.7 WASHINGTON s_144A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 66.2 0.58 14.9 3.19 3.11 0.89 0.06 1.38 5.05 WASHINGTON s_155A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 63.6 0.58 15.8 3.84 4.12 1.87 1.27 4.71 WASHINGTON s_157A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62 0.48 16.8 3.47 4.22 1.37 0.03 1.22 9.72 WASHINGTON s_158A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 65.5 0.62 16.1 3.33 3.81 1.25 0.03 1.3 4.49 WASHINGTON s_186A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 62.15 0.59 16.57 2.71 4.62 1.14 0.04 1.02 3.5 WASHINGTON s_169A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 70.07 0.51 14 2.16 2.57 0.99 0.04 1.79 3.92 WASHINGTON s_180A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 71.64 0.41 13.23 1.7 1.84 0.54 0.04 2.05 4.26 WASHINGTON s_178A CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 73.08 0.47 12.83 1.78 1.92 0.54 0.02 2.25 4 WASHINGTON s_178B CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN 978 978 outcrop subaerial volcanic rock DACITE -0.00198025 -0.00198024 -0.00198026 PUMICE 18 5 1980 volcanic glass FALSE 46.1436 -122.2019 72.46 0.48 13.22 1.64 1.8 0.51 0.02 2.23 4.49 WASHINGTON Method Data 1 EMP EPMA 1 2 HIST 1985-057419 3 REG 1985-057419 4 HIST 1985-057419