Sample Tmo S12

NavDat sample number 125337 · SYENITE

Sample

Sample ID	Tmo S12
Rock name	SYENITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	32.2916
Longitude	-106.54
Location	S of Modoc fault
State / province	New Mexico
Formation	Tmo

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
35.69		35.6	35.78

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	65.36		WT%	ICPAES
AL2O3	15.39		WT%	ICPAES
FE2O3	3.46		WT%	ICPAES
MGO	0.42		WT%	ICPAES
CAO	1.3		WT%	ICPAES
NA2O	4.86		WT%	ICPAES
K2O	5.7		WT%	ICPAES
TIO2	0.77		WT%	ICPAES
MNO	0.15		WT%	ICPAES
BA	788		PPM	ICPAES
LA	87		PPM	ICPAES
SR	320		PPM	ICPAES
Y	64		PPM	ICPAES
ZR	403		PPM	ICPAES

References

Yanicak, Stephen M (1992) Petrology of silicic and syenitic facies of the Organ Needle Pluton, Organ Mountains batholith, Dona Ana County, southern New Mexico.