Sample M

NavDat sample number 18096

Sample

Sample ID	M
Rock type	VOLCANIC
Material	IGNEOUS
Collected by	Halsey
Comment	Glass from latite tuff

Location

Latitude	38.2
Longitude	-119.6
State / province	California
Location comment	3 miles west-south-west of Sonora Pass, crest of ridge, Dardanelles quad

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
9.75		8.8	10.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	61.16		WT%	UNKNOWN
TIO2	1.09		WT%	UNKNOWN
AL2O3	16.88		WT%	UNKNOWN
FE2O3	1.18		WT%	UNKNOWN
FEO	2.83		WT%	UNKNOWN
MGO	1.34		WT%	UNKNOWN
CAO	2.82		WT%	UNKNOWN
NA2O	3.56		WT%	UNKNOWN
K2O	5.24		WT%	UNKNOWN
H2O_MINUS	3.62		WT%	UNKNOWN
H2O_MINUS	0.1		WT%	UNKNOWN
CO2	0		WT%	UNKNOWN
P2O5	0.07		WT%	UNKNOWN
MNO	0.12		WT%	UNKNOWN

References

Slemmons, David Burton (1953)