Sample MAR185

NavDat sample number 11198 · ANDESITE

Sample

Sample ID	MAR185
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	39.3076
Longitude	-120.097
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	59.31		WT%	XRF
TIO2	0.718		WT%	XRF
AL2O3	16.99		WT%	XRF
FEO	6.24		WT%	XRF
MNO	0.118		WT%	XRF
MGO	2.81		WT%	XRF
CAO	8		WT%	XRF
NA2O	3.46		WT%	XRF
K2O	1.7		WT%	XRF
P2O5	0.35		WT%	XRF
TOTAL	99.88		WT%	XRF
V	201		PPM	XRF
RB	38		PPM	XRF
SR	1570		PPM	XRF
Y	25		PPM	XRF
NB	5		PPM	XRF
BA	785		PPM	XRF
LA	20		PPM	XRF
CE	56		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.