Sample 29i

NavDat sample number 129159

Sample

Sample ID	29i
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	37.6
Longitude	-105.12
Location	Spanish Peaks igneous complex
State / province	COLORADO

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
24		22	26

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
K	0.82		WT%	MS-ID
RB	4.1		PPM	MS-ID
SR	368		PPM	MS-ID
BA	250		PPM	MS-ID
SR87_SR86	0.7048			MS-ID
SR87_SR86_INITIAL	0.7048			MS-ID
RB87_SR86	0.032			MS-ID

References

Jahn, Bor-ming (1973) A Petrogenetic Model for the Igneous Complex in the Spanish Peaks Region, Colorado. Contributions to Mineralogy and Petrology, vol.41, no.3, pp.241-258, 1973 doi:10.1007/BF00371034