Sample 19-1

NavDat sample number 58098 · DACITE

Sample

Sample ID	19-1
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	34.3351
Longitude	-114.769
State / province	CALIFORNIA

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
18		17	20

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
SIO2	64.4		WT%	INAA
TIO2	0.7		WT%	INAA
AL2O3	16		WT%	INAA
NA2O	3.68		WT%	INAA
K2O	4.28		WT%	INAA
P2O5	0.21		WT%	INAA
BA	1300		PPM	INAA
PB206_PB204	18.4			TIMS
PB207_PB204	15.55			TIMS
PB208_PB204	39.02			TIMS

References

Miller, Jonathan S; Glazner, Allen F; Farmer, G Lang; Suayah, IsmailB; Keith, Lori A (2000) A Sr, Nd, and Pb isotopic study of mantle domains and crustalstructure from Miocene volcanic rocks in the Mojave Desert,California. Geological Society of America Bulletin, vol.112, no.8, pp.1264-1279,Aug 2000 doi:10.1130/0016-7606(2000)112<1264:ASNAPI>2.0.CO;2