AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 12AKMC027

SAMPLE INFO : 12AKMC027
Sample ID:12AKMC027
Station ID:12AKMC027
Latitude:54.14718
Longitude:-165.92044
Datum:NAD83
Date Sampled:2012-07-28
Sample Type 1:Lava
Final Unit:llv
Text Description:
Dome field lava. Sample is talus block a short ways below columnarly jointed lava flow/dome/plug. Columns along base are vertical, 5-7 m tall, more massive and chaotic above, to top of peak. 20% >3 mm plagioclase, augite to 2 mm, scarce altered olivine?, medium gray

References:
The eruptive history, magmatic evolution, and influence of glacial ice at long-lived Akutan volcano, eastern Aleutian Islands, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-majorsREF majorsMETH majorsFe2O3/Fe203T origFeO/FeOT origVolatiles csvMETH volatilesCsRbBaSrLaCePrNdSmEuGdTbDyHoErTmYbLuYZrNbHfTaPbThUScVCrFeCoNiCuZnGaMoAsNaKRef trace1METH trace1RbBaSrLaCeNdSmEuGdDyErYbLuYZrNbPbThUScTiVCrNiCuZnGaRef trace2METH trace2Light csvHalogen csvother major csvother lile csvother ree csvother hfse csvother hpe csvother tm csvother misc csv
12AKMC02754.14718-165.92044Coombs, M. L.2012-07-28 522000 ± 8000 40Ar/39Ar; 14991; AkutanDome field just above main fumaroleDome field lava. Sample is talus block a short ways below columnarly jointed lava flow/dome/plug. Columns along base are vertical, 5-7 m tall, more massive and chaotic above, to top of peak. 20% >3 mm plagioclase, augite to 2 mm, scarce altered olivine?, medium gray12AKMC027LavallvWhole-rock 59.61061479 0.813234916 17.5292627 6.538668134 0.15935199 2.667383536 6.459324458 4.302977034 1.724614706 0.194547592 98.7063669214991XRF6.538668134 1.229516272 34.40416476 483.3169883 367.9128025 13.32951069 31.54361604 4.637780941 21.23187065 5.698304799 1.462608124 6.068605805 1.044659028 6.624476077 1.409326149 3.957216087 0.586136076 3.727999325 0.60391719 36.14868892 160.2892518 3.117820063 4.583296025 0.236896146 8.838078943 4.269268896 1.936402348 19.44692952 152.7778 13.1208 7.0574 57.652 79.2218 18.5878 14991ICPMS: Cs, Rb, Ba, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Zr, Nb, Hf, Ta, Pb, Th, U, Sc; XRF: V, Cr, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: www.avo.alaska.edu/samples/sample_info.php
Page modified: August 1, 2017 15:29
Contact Information: AVO Web Team

twitter @alaska_avo
facebook alaska.avo
email Receive volcano updates by email: USGS VNS

This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.