Sample COL-99A

NavDat sample number 41359 · ANDESITE

Sample

Sample ID	COL-99A
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	19.5
Longitude	-104
Location	Volcan Colima
State / province	Jalisco

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
8.0E-7		7.2E-7	8.8E-7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	18.6		PPM	ICPMS
CS	0.7		PPM	ICPMS
LA	11.3		PPM	ICPMS
CE	23.3		PPM	ICPMS
RB	18.6		PPM	ICPMS
CS	1		PPM	ICPMS
LA	11.7		PPM	ICPMS
CE	24		PPM	ICPMS
RB	18.2		PPM	ICPMS
CS	0.7		PPM	ICPMS
LA	9.9		PPM	ICPMS
CE	20		PPM	ICPMS

References

Luhr, James F; Henry, Christopher D; Housh, Todd B; Aranda-Gomez, J Jorge; McIntosh, William C (2001) Early extension and associated mafic alkalic volcanism from the southern Basin and Range Province; geology and petrology of the Rodeo and Nazas volcanic fields, Durango, Mexico. Geological Society of America Bulletin, vol.113, no.6, pp.760-773, Jun 2001 doi:10.1130/0016-7606(2001)113<0760:EEAAMA>2.0.CO;2