Alaska Volcano Observatory - Glass-fission-track ages of late Cenozoic distal tephra beds in the Klondike district, Yukon Territory

GLASS-FISSION-TRACK AGES OF LATE CENOZOIC DISTAL TEPHRA BEDS IN THE KLONDIKE DISTRICT, YUKON TERRITORY

Sandhu, A.S., Westgate, J.A., Preece, S.J., and Froese, D.G., 2000, Glass-fission-track ages of late Cenozoic distal tephra beds in the Klondike district, Yukon Territory, in Emond, D.S., and Weston, L.H., (eds.), Yukon exploration and geology 2000: Exploration and Geological Services Division, Yukon, Indian and Northern Affairs Canada, p. 247-256.

DATA TABLES *Not all tables in a publication may be listed. Not all tables from a publication have data entered in the database.

3641: Average glass major-element compositions of tephra beds.

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* Notes: All analyses done on a Cameca SX-50 wave-length dispersive microprobe operating at 15 kV accelerating voltage, 10-15 micron beam diameter, and 6nA beam current. Standardization achieved by use of mineral and glass standards. Analyses recast to 100% on a water-free basis. n = number of analyses, FeOt = total iron oxide as FeO, H2Od = water by difference, pop. 1 = population 1, pop. 2 = population 2. Average composition based on non-zero values for the following samples: Quartz Creek (UT1001, UT1053, UT1544), Jackson Hill (UT1562, UT1637) and Mosquito Gulch (UT19). Numbers in brackets are standard deviation. *

5641: Average glass trace-element composition of tephra beds.

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SAMPLES

UT1544
UT1637
UT1562
UT1623
UT1624
Sandhu_2001_Klondike_District_Quartz_Creek_average
Sandhu_2001_Klondike_District_UT1562_&_UT1637_avg
Sandhu_2001_Klondike_District_UT1562_&_UT1637_P1
Sandhu_2001_Klondike_District_UT1562,1637_P2_avg
UT1001
UT1053
UT19

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