AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > GS-725-B

SAMPLE INFO : GS-725-B
Sample ID:GS-725-B
Station ID:GS-725-B
Latitude:52.0765
Longitude:-176.1109
Datum:NAD83
Date Sampled:1984-07-01
Sample Type 1:Countryrock
Sample Type 2:Igneous
Field Lithology:Gabbro
Text Description:
Intrusive - gabbro. From 1987 thesis, page 17: composed mainly ofpl and cpx, this gabbro also has minor amounts of opx, mt, and biotite. This is the first report of an intrusive rock on Great Sitkin.

References:
The petrology and geochemistry of the Great Sitkin Suite: implications for the genesis of calc-alkaline magmas

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
GS-725-B52.0765-176.1109Neuweld, M. A.1984-07-01 Great Sitkinnear the top of the ridge on the east side of Glacier Creek.Intrusive - gabbro. From 1987 thesis, page 17: composed mainly ofpl and cpx, this gabbro also has minor amounts of opx, mt, and biotite. This is the first report of an intrusive rock on Great Sitkin.GS-725-BWhole Rock 52.81 0.9 18.77 9.22 4.17 9.8 1.1 99.21930EMP9.22 1.396 40.8 8.815 21.904 13.994 3.917 1.108 0.736 2.718 0.379 2.799 0.307 2.452 1.013 28.782 11.673 29.338 8.995 9203.9071930INAAMnO V=0.14, M=INAA, R=1930;Na2O V=3.15, M=INAA, R=1930;

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: www.avo.alaska.edu/samples/sample_info.php
Page modified: July 14, 2014 13:37
Contact Information: AVO Web Team

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