Sample: DT_75-209B

Sample ID:	DT_75-209B ^[1]
Station ID:	DT_75-209B
AT Num:
Volcano:
Possible source:
Eruption:
Collector:	Unknown, Unknown
Date sampled:
Sample type 1:	Tephra Fall
Color:
Final unit:
Text Description:	Upper parting of two 5-cm-thick partings about 0.6 m from top of 2.1-m-thick coal. A crystal vitric tuff; mostly pumice grains with 15% infrequently zoned plagioclase and 2% hornblende.
Sample Location:

References Cited

[1] Radiometric dating of ash partings in Alaskan coal beds and upper Tertiary paleobotanical stages, 1980

Turner, D.L., Triplehorn, D.M., Naeser, C.W., and Wolfe, J.A., 1980, Radiometric dating of ash partings in Alaskan coal beds and upper Tertiary paleobotanical stages: Geology, v. 8, n. 2, p. 92-96.

Alaska Volcano Observatory

Sample: DT_75-209B

References Cited

[1] Radiometric dating of ash partings in Alaskan coal beds and upper Tertiary paleobotanical stages, 1980