Sample 8

NavDat sample number 5127 · ANDESITE

Sample

Sample ID	8
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.92
Longitude	-121.949
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32		28	36

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.99		WT%	UNKNOWN
TIO2	1.07		WT%	UNKNOWN
AL2O3	16.98		WT%	UNKNOWN
FEOT	7.49		WT%	UNKNOWN
MNO	0.14		WT%	UNKNOWN
MGO	2.53		WT%	UNKNOWN
CAO	5.38		WT%	UNKNOWN
NA2O	4.14		WT%	UNKNOWN
K2O	2.07		WT%	UNKNOWN
P2O5	0.22		WT%	UNKNOWN
TOTAL	100.25		WT%	UNKNOWN
LOI	3.47		WT%	UNKNOWN

References

Wise, W S (1970) Cenozoic volcanism in the Cascade Mountains of southern Washington. Bulletin - Division of Mines and Geology (State of Washington). 60, 1970.