Sample B-6

NavDat sample number 129158

Sample

Sample ID	B-6
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	37.5
Longitude	-105.85
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	2.35		WT%	MS-ID
RB	52.8		PPM	MS-ID
SR	1579		PPM	MS-ID
BA	6939		PPM	MS-ID
SR87_SR86	0.7054			MS-ID
SR87_SR86_INITIAL	0.7054			MS-ID
RB87_SR86	0.096			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