Sample 5

NavDat sample number 8972 · TRACHYTE

Sample

Sample ID	5
Rock name	TRACHYTE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	35.2333
Longitude	-115.205
Location	Hackberry 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	69.47		WT%	UNKNOWN
TIO2	0.88		WT%	UNKNOWN
AL2O3	15.81		WT%	UNKNOWN
FE2O3	2.07		WT%	UNKNOWN
MNO	0.02		WT%	UNKNOWN
MGO	0.85		WT%	UNKNOWN
CAO	1.47		WT%	UNKNOWN
NA2O	4.34		WT%	UNKNOWN
K2O	5.21		WT%	UNKNOWN
LOI	1.38		WT%	UNKNOWN
TOTAL	99.56		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.