Sample R8-1-42

NavDat sample number 36723 · ANDESITE

Sample

Sample ID	R8-1-42
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	38.1267
Longitude	-116.102
Location	Reveille Range
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
4.3		3.87	4.73

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	60.14		WT%	ICP
TIO2	0.51		WT%	ICP
AL2O3	17.23		WT%	ICP
FE2O3	7.2		WT%	ICP
FEO	6.47		WT%	ICP
MNO	0.18		WT%	ICP
MGO	0.38		WT%	ICP
CAO	2.04		WT%	ICP
NA2O	6.58		WT%	ICP
K2O	5.68		WT%	ICP
P2O5	0.18		WT%	ICP
LOI	1.12		WT%	ICP
TOTAL	101.24		WT%	ICP
NB	76		PPM	XRF
NI	1		PPM	XRF
RB	89.6		PPM	XRF
SR	79		PPM	XRF
Y	45.9		PPM	XRF
ZN	102		PPM	XRF
ZR	814		PPM	XRF
CE	150		PPM	INAA
PB	5.98		PPM	MS-ID

References

Yogodzinski, G M; Naumann, T R; Smith, E I; Bradshaw, T K; Walker, J D (1996) Evolution of a mafic volcanic field in the central Great Basin, south central Nevada. Journal of Geophysical Research, B, Solid Earth and Planets. 101; 8, Pages 17,425-17,445. 1996. doi:10.1029/96JB00816