Sample 11

NavDat sample number 8978 · ANDESITE

Sample

Sample ID	11
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	35.1
Longitude	-115.358
Location	Woods Mtn
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
14.5		11	18

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56.99		WT%	UNKNOWN
TIO2	1.17		WT%	UNKNOWN
AL2O3	16.7		WT%	UNKNOWN
FE2O3	6.9		WT%	UNKNOWN
MNO	0.11		WT%	UNKNOWN
MGO	4.37		WT%	UNKNOWN
CAO	7.7		WT%	UNKNOWN
NA2O	3.46		WT%	UNKNOWN
K2O	1.91		WT%	UNKNOWN
LOI	0.96		WT%	UNKNOWN
TOTAL	99.31		WT%	UNKNOWN

References

McCurry, Michael (1982) The geology of a late Miocene silicic volcanic center in the Woods and Hackberry mountains area of the eastern Mojave Desert, San Bernardino County, California. Pages 433-439. 1982.