Sample Tm.3

NavDat sample number 33450 · TRACHYBASALT

Sample

Sample ID	Tm.3
Rock name	TRACHYBASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	39.78
Longitude	-105.22
Location	Table Mountain
State / province	COLORADO

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
63		60	66

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.6		WT%	UNKNOWN
AL2O3	17.9		WT%	UNKNOWN
TIO2	0.84		WT%	UNKNOWN
FE2O3	3.8		WT%	UNKNOWN
FEO	5.2		WT%	UNKNOWN
CAO	7.2		WT%	UNKNOWN
MGO	4.1		WT%	UNKNOWN
K2O	3.8		WT%	UNKNOWN
NA2O	2.9		WT%	UNKNOWN
P2O5	0.1		WT%	UNKNOWN
H2O_PLUS	1.2		WT%	UNKNOWN
TOTAL	99.9		WT%	UNKNOWN

References

Larson, Edwin E; Drexler, John W Early Laramide mafic to intermediate volcanism, Front Range, Colorado. Colorado School of Mines Quarterly, vol.83, no.2, pp.41-52, 1988