Sample MV-15

NavDat sample number 127385 · GRANODIORITE

Sample

Sample ID	MV-15
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	age from 1983-055340

Location

Latitude	29.05
Longitude	-110.949
Location	Hermosillo
State / province	Sonora
Country	MEXICO
Location comment	Hermosillo

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
64.1		62.7	65.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	67.5		WT%	XRF
TIO2	0.53		WT%	XRF
AL2O3	15.6		WT%	XRF
FE2O3	0.99		WT%	XRF
FEO	2.08		WT%	XRF
MNO	0.05		WT%	XRF
MGO	1.09		WT%	XRF
CAO	3.32		WT%	XRF
NA2O	4.04		WT%	XRF
K2O	3.1		WT%	XRF
P2O5	0.16		WT%	XRF
LOI	0.68		WT%	IGN
LA	18.43		PPM	ICPMS
CE	48		PPM	ICPMS
ND	18.03		PPM	ICPMS
SM	4.76		PPM	ICPMS
EU	1.31		PPM	ICPMS
TB	0.5		PPM	ICPMS
YB	0.98		PPM	ICPMS
LU	0.14		PPM	ICPMS
RB	129		PPM	ICPMS
SR	548		PPM	ICPMS
BA	803		PPM	ICPMS
ZR	111		PPM	ICPMS
Y	5		PPM	ICPMS
TH	4.35		PPM	ICPMS
TA	0.41		PPM	ICPMS
HF	3.05		PPM	ICPMS
NB	16.09		PPM	ICPMS

References

Valencia-Moreno, Martin; Ruiz, Joaquin; Barton, Mark D; Patchett, P Jonathan; Zuercher, Lukas; Hodkinson, Damian G; Roldan-Quintana, Jaime (2001) A chemical and isotopic study of the Laramide granitic belt of northwestern Mexico; identification of the southern edge of the North American Precambrian basement. Geological Society of America Bulletin, vol.113, no.11, pp.1409-1422, Nov 2001 doi:10.1130/0016-7606(2001)113<1409:ACAISO>2.0.CO;2