Sample 89/1-8

NavDat sample number 41088 · DACITE

Sample

Sample ID	89/1-8
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	27.5
Longitude	-107.83
Location	El Divisadero
State / province	Chihuahua
Country	MEXICO
Location comment	W Chihuahua

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
30		27	33

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SR87_SR86	0.7082			MS
SR87_SR86	0.70537			MS
ND143_ND144	0.512597			MS

References

Albrecht, Achim; Goldstein, Steven L (2000) Effects of basement composition and age on silicic magmas across an accreted terrane-Precambrian crust boundary, Sierra Madre Occidental, Mexico. Journal of South American Earth Sciences, vol.13, no.3, pp.255-273, Jul 2000 doi:10.1016/S0895-9811(00)00014-6