Sample 630.4

NavDat sample number 58502 · GNEISS

Sample

Sample ID	630.4
Rock name	GNEISS
Material	METAMORPHIC

Location

Latitude	36.0572
Longitude	-121.495
Location	Santa Lucia Mountains
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
93		90	96

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	63.23		WT%	XRF
TIO2	0.76		WT%	XRF
AL2O3	17.43		WT%	XRF
FEO	9.21		WT%	XRF
MNO	0.067		WT%	XRF
MGO	2.36		WT%	XRF
CAO	5.25		WT%	XRF
NA2O	4.3		WT%	XRF
K2O	0.38		WT%	XRF
P2O5	0.22		WT%	XRF

References

Mihai, Ducea N.; Kidder, Steven; Zandt, George (2003) Arc composition at mid-crustal depths: insights from the Coast Ridge Belt, Santa Lucia Mountains, California. 30(13) (July 01, 2003)