Sample PZ?240

NavDat sample number 12300 · GRANITE

Sample

Sample ID	PZ?240
Rock name	GRANITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Comment	cumulate granite - holocrystalline

Location

Latitude	28.8333
Longitude	-104
Location	2km S of Cerro Escobillas
State / province	Chihuahua

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
29.8		26	38

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62.01		WT%	XRF
TIO2	1.43		WT%	XRF
AL2O3	17.03		WT%	XRF
FE2O3	0.78		WT%	XRF
FEO	3.89		WT%	XRF
MNO	0.07		WT%	XRF
MGO	1.22		WT%	XRF
CAO	3.36		WT%	XRF
NA2O	5.07		WT%	XRF
K2O	4.46		WT%	XRF
P2O5	0.68		WT%	XRF
LOI	1.46		WT%	XRF
TOTAL	99.57		WT%	XRF
RB	152		PPM	MS-ID
SR	486		PPM	MS-ID
Y	64		PPM	MS-ID
ZR	476		PPM	MS-ID
NB	50		PPM	MS-ID

References

Cameron, Kenneth L; Cameron, Maryellen (1986) Geochemistry of quartz-normative igneous rocks from the Chinati Mountains and Terlingua areas, West Texas; a comparison with Cenozoic volcanic rocks from Chihuahua and Baja California Sur, Mexico. Guidebook - Bureau of Economic Geology, University of Texas at Austin. 23; Pages 143-163. 1986. .