Sample 83-44

NavDat sample number 130050 · ANDESITE

Sample

Sample ID	83-44
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	41.4065
Longitude	-122.69
Location	MT. SHASTA
State / province	CALIFORNIA

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.0055		0.002	0.009

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
SIO2	62.26		WT%	XRF
TIO2	0.61		WT%	XRF
AL2O3	16.93		WT%	XRF
FE2O3	1.92		WT%	XRF
FEO	2.64		WT%	XRF
MNO	0.08		WT%	XRF
MGO	3.49		WT%	XRF
CAO	5.99		WT%	XRF
NA2O	4.6		WT%	XRF
K2O	1.23		WT%	XRF
P2O5	0.16		WT%	XRF
LOI	0.55		WT%	XRF
NI	40		PPM	XRF
CR	68		PPM	XRF
V	104		PPM	XRF
ZN	73		PPM	XRF
RB	26		PPM	XRF
SR	714		PPM	XRF
BA	354		PPM	XRF
Y	11		PPM	XRF
ZR	110		PPM	XRF
SR87_SR86	0.703245			TIMS
ND143_ND144	0.512881			TIMS

References

Grove, T L; Parman, S W; Bowring, S A; Price, R C; Baker, M B (2002) The role of an H (sub 2) O-rich fluid component in the generation of primitive basaltic andesites and andesites from the Mt. Shasta region, N California. Contributions to Mineralogy and Petrology, vol.142, no.4, pp.375-396, Jan 2002