Sample s_UA 739

NavDat sample number 11176 · DACITE

Sample

Sample ID	s_UA 739
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	subaerial

Location

Latitude	62.525
Longitude	-140.95
Location	WRANGELLIA
State / province	YUKON TERRITORY
Location comment	YUKON TERRITORY

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.09		0.06	0.12	QUATERNARY

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
SIO2	0.48		WT%	EPMA
TIO2	9.37		WT%	EPMA
AL2O3	1.9		WT%	EPMA
FE2O3	47.85		WT%	EPMA
FEO	38.21		WT%	EPMA
MGO	1.26		WT%	EPMA
MNO	0.48		WT%	EPMA
SIO2	0.48		WT%	EPMA
TIO2	9.37		WT%	EPMA
AL2O3	1.9		WT%	EPMA
FE2O3	47.85		WT%	EPMA
FEO	38.21		WT%	EPMA
MGO	1.26		WT%	EPMA
MNO	0.48		WT%	EPMA

References

Westgate, J A; Walter, R C; Pearce, G W; Gorton, M P (1985) Distribution, stratigraphy, petrochemistry, and palaeomagnetism of the late Pleistocene Old Crow tephra in Alaska and the Yukon. Canadian Journal of Earth Sciences = Journal Canadien des Sciences de la Terre. 22; 6, Pages 893-906. 1985. doi:10.1139/e85-093