Sample 81as-18

NavDat sample number 44467 · TONALITE

Sample

Sample ID	81as-18
Rock name	TONALITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	27.14
Longitude	-114.308
State / province	Baja California Sur

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
147.35		123.7	171

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
SIO2	71.48		WT%	XRF
TIO2	0.32		WT%	XRF
AL2O3	14.57		WT%	XRF
FE2O3	1.61		WT%	XRF
FEO	1.29		WT%	XRF
FE2O3	3.04		WT%	XRF
MNO	0.02		WT%	XRF
MGO	0.96		WT%	XRF
CAO	4.14		WT%	XRF
NA2O	3.73		WT%	XRF
K2O	0.15		WT%	XRF
P2O5	0.15		WT%	XRF
LOI	0.96		WT%	XRF
BE	189		PPM	XRF
NB	0		PPM	XRF
RB	5		PPM	XRF
SR	320		PPM	XRF
ZR	46		PPM	XRF
Y	12		PPM	XRF

References

Kimbrough, David L; Moore, Thomas E (2003) Ophiolite and volcanic arc assemblages on the Vizcaino Peninsula and Cedros Island, Baja California Sur, Mexico; Mesozoic forearc lithosphere of the Cordilleran magmatic arc. Special Paper - Geological Society of America. 374; Pages 43-71. 2003.