Sample MAR181

NavDat sample number 11197 · ANDESITE

Sample

Sample ID	MAR181
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	39.3014
Longitude	-120.099
Location	Kate Peak Formation Lavas
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
12		12	13

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.38		WT%	XRF
TIO2	0.664		WT%	XRF
AL2O3	16.86		WT%	XRF
FEO	5.82		WT%	XRF
MNO	0.109		WT%	XRF
MGO	2.69		WT%	XRF
CAO	7.58		WT%	XRF
NA2O	4.52		WT%	XRF
K2O	1.66		WT%	XRF
P2O5	0.36		WT%	XRF
TOTAL	99.9		WT%	XRF
V	125		PPM	XRF
RB	34		PPM	XRF
SR	1480		PPM	XRF
Y	23		PPM	XRF
NB	5		PPM	XRF
BA	821		PPM	XRF
LA	11		PPM	XRF
CE	40		PPM	XRF

References

Latham, Jr., Thomas (1985) Stratigraphy, structure, and geochemistry of Plio-Pleistocene volcanic rocks of the western basin and range province, near Truckee, California.