This sample belongs to: Laura Webb

Sample Details
Sample Name: 05024B-kfs
IGSN: IEUVM0004
Laboratory: University of Vermont
Analyst: Jones
Sample Material: K-feldspar
Sample Material Type: Single Crystal
Instrumental Method: peak hopping, intensity vs. time regressions
Instrumental Method Reference:
Decay Constant 40Ar Total: 5.464E-10
Decay Constant 40Ar Total Sigma: 9.9984998874831E-12
Decay Constant Reference: Steiger and Jäger (1977)
Standard Name: Fish Canyon
Standard Material: sanidine
Standard Age: 28.02
J-Value: 1.08E-3
J-Value Sigma: 7.28E-6

Sample Metadata
Sample ID: 24B
Sample Description:
GeoObject Type: Individual Sample
Geoobject Classification:
Collection Method:
Material: Rock
Latitude: -45.21972918
Longitude: 167.31875394
Sample Comment:
Collector: K.A. Klepeis
Material Classification:
Primary Location Name:
Primary Location Type:
Location Description:
Locality:
Locality Description:
Country:
Provice:
County:
City Or Township:
Platform:
Platform ID:
Original Archival Institution:
Original Archival Contact:
Most Recent Archival Institution: University of Vermont Geology Department
Most Recent Archival Contact:

Age(s)
Analysis Purpose Experiments Included Preferred Age Preferred Age Sigma Preferred Age Sigma Internal Preferred Age Sigma External Preferred Age Type Preferred Age Classification Preferred Age Reference Preferred Age Description
Other

Ratios
ID Power 40Ar/39Ar 37Ar/39Ar 36Ar/39Ar 39ArK K/Ca 40Ar* 39Ar Age Age Error 1s
(step) (Watts) (CPS) (%) (cumulative %) (Ma) (Ma)
3.8 3.8 1.07E+0 11.9 58.4 0.02147585602348 780.35310629879 50.34226015219
4.2 4.2 6.13E-1 184.6 68.0 0.35442394531824 631.07908476503 28.329805555885
4.6 4.6 6.50E-2 7316.8 68.8 13.549722040673 81.606847264713 2.1593225470847
4.9 4.9 1.14E-2 5879.3 77.0 24.152611660605 22.233358471672 0.54738272491863
5.3 5.3 7.04E-3 1586.2 81.4 27.013235584304 17.944279992751 0.47119630329991
6 6 1.72E-2 3570.9 70.6 33.453117440243 23.979961453041 0.6459088570775
8 8 2.14E-2 13455.3 70.5 57.7187271881 29.575738012532 0.77181897739893
10 10 1.97E-2 8162.0 75.0 72.438260501106 34.206818478268 0.84877585143009
12 12 1.56E-2 1054.3 80.3 74.339649618191 37.218796011659 1.0086683927907
fuse fuse 2.29E-2 14228.7 72.4 100 34.813252402645 0.88203922671703
filename:18593.xml
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