Sample OMB1891

NavDat sample number 88065 · MONZONITE

Sample

Sample ID	OMB1891
Rock name	MONZONITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Collected by	Barnes and others
Comment	Biotite hornblende two pyroxene quartz monzonite

Location

Latitude	41.1091
Longitude	-123.483
Location	Ironside Mountain Pluton
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
169		169	170

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
LA	39.53		PPM	INAA
CE	70.15		PPM	INAA
ND	34.14		PPM	INAA
SM	7.204		PPM	INAA
EU	1.589		PPM	INAA
TB	0.8407		PPM	INAA
YB	2.285		PPM	INAA
LU	0.3569		PPM	INAA
CS	2.63		PPM	INAA
HF	4.05		PPM	INAA
U	3.1		PPM	INAA
TH	8.42		PPM	INAA
TA	0.439		PPM	INAA

References

Barnes, Calvin G; Mars, Elizabeth V; Swapp, Susan; Frost, Carol D (2006) Petrology and geochemistry of the Middle Jurassic Ironside MountainBatholith; evolution of potassic magmas in a primitive arc setting. Special Paper - Geological Society of America, vol.410, pp.199-221,2006 doi:10.1130/2006.2410(10)