AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > Barth_1956_17

SAMPLE INFO : Barth_1956_17
Sample ID:Barth_1956_17
Station ID:Barth_1956_17
Latitude:57.18
Longitude:-170.3
Datum:NAD83
Date Sampled:1948-01-01
Sample Type 1:Lava
Sample Type 2:Dike
Text Description:
Hyalobasanite injected under observation house at Einahnuhto Bluffs, St. Paul Island. The rock has fluidal structure, is black and gray with small phenocrysts of plagioclase, about 0.5 x 0.01 mm, and peculiar “hollow” phenocrysts of olivine, from 0.1 to 0.5 mm across. The groundmass is glassy with opaque pigments of magnetite and (or) ilmenite, and small grains of augite 0.01 to 0.02 mm in diameter and laths of plagioclase, about 0.5 mm long and 0.01 mm thick.

References:
Geology and petrology of the Pribilof Islands, Alaska

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
Barth_1956_1757.18-170.3Barth, T. F. W.1948-01-01 St. Paul IslandEinahnuhto Bluffs, St. Paul IslandHyalobasanite injected under observation house at Einahnuhto Bluffs, St. Paul Island. The rock has fluidal structure, is black and gray with small phenocrysts of plagioclase, about 0.5 x 0.01 mm, and peculiar “hollow” phenocrysts of olivine, from 0.1 to 0.5 mm across. The groundmass is glassy with opaque pigments of magnetite and (or) ilmenite, and small grains of augite 0.01 to 0.02 mm in diameter and laths of plagioclase, about 0.5 mm long and 0.01 mm thick.Barth_1956_17Whole Rock 46.2 2.8 16.54 10.9 0.2 6.7 9.5 4.5 2 0.65 99.1301RAPIDA3.47.7

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