Sample MAR193

NavDat sample number 11227 · DACITE

Sample

Sample ID	MAR193
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	39.3058
Longitude	-120.061
Location	Coal Valley Formation Lavas
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
5.7		5.13	6.27

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	65.2		WT%	XRF
TIO2	0.645		WT%	XRF
AL2O3	15.09		WT%	XRF
FEO	4.29		WT%	XRF
MNO	0.074		WT%	XRF
MGO	2.29		WT%	XRF
CAO	6.37		WT%	XRF
NA2O	3.13		WT%	XRF
K2O	2.28		WT%	XRF
P2O5	0.23		WT%	XRF
TOTAL	99.6		WT%	XRF
V	162		PPM	XRF
RB	52		PPM	XRF
SR	1140		PPM	XRF
Y	20		PPM	XRF
ZR	141		PPM	XRF
NB	9		PPM	XRF
BA	1290		PPM	XRF
LA	18		PPM	XRF
CE	39		PPM	XRF

References

Latham, Jr., Thomas (1985) Stratigraphy, structure, and geochemistry of Plio-Pleistocene volcanic rocks of the western basin and range province, near Truckee, California.