Sample L1157C

NavDat sample number 60196 · ANDESITE

Sample

Sample ID	L1157C
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	44.6424
Longitude	-122.331
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21		17	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62.87		WT%	XRF
TIO2	1.18		WT%	XRF
AL2O3	15.15		WT%	XRF
FEOT	7.32		WT%	XRF
MNO	0.18		WT%	XRF
MGO	2.33		WT%	XRF
CAO	5.77		WT%	XRF
NA2O	3.71		WT%	XRF
K2O	1.3		WT%	XRF
P2O5	0.2		WT%	XRF
TOTAL	99.5		WT%	XRF
LOI	3.04		WT%	XRF

References

du, Bray Edward A; John, David A; Sherrod, David R; Evarts, Russell C; Conrey, Richard M; Lexa, Jaroslav (2006) Geochemical database for volcanic rocks of the western Cascades, Washington, Oregon, and California. U. S. Geological Survey Data Series. 2006.