Sample MV-18

NavDat sample number 127387 · GRANODIORITE

Sample

Sample ID	MV-18
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	age from 1982-037342

Location

Latitude	29.1111
Longitude	-109.979
Location	Villa Pesqueira
State / province	Sonora
Country	MEXICO
Location comment	Villa Pesqueira

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
58		55	61

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	64		WT%	XRF
TIO2	0.54		WT%	XRF
AL2O3	15.6		WT%	XRF
FE2O3	1.36		WT%	XRF
FEO	2.85		WT%	XRF
MNO	0.09		WT%	XRF
MGO	2.03		WT%	XRF
CAO	3.92		WT%	XRF
NA2O	3.63		WT%	XRF
K2O	3.06		WT%	XRF
P2O5	0.19		WT%	XRF
LOI	0.77		WT%	IGN
LA	33.91		PPM	ICPMS
CE	68.37		PPM	ICPMS
ND	22.18		PPM	ICPMS
SM	4.12		PPM	ICPMS
EU	0.86		PPM	ICPMS
TB	0.58		PPM	ICPMS
YB	2.01		PPM	ICPMS
LU	0.31		PPM	ICPMS
RB	110		PPM	ICPMS
SR	535		PPM	ICPMS
BA	808		PPM	ICPMS
ZR	136		PPM	ICPMS
Y	13		PPM	ICPMS
TH	7.84		PPM	ICPMS
TA	3.3		PPM	ICPMS
HF	4.63		PPM	ICPMS
NB	23.72		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