Sample 530N2

NavDat sample number 38718 · PHONOLITE

Sample

Sample ID	530N2
Rock name	PHONOLITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	38.7383
Longitude	-105.132
State / province	Colorado
Volcanic field	Cripple Creek

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32.3		32.2	32.4

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.6		WT%	XRF
TIO2	1.29		WT%	XRF
AL2O3	18.7		WT%	XRF
FE2O3	3.69		WT%	XRF
FEO	3.3		WT%	XRF
MO	0.17		WT%	XRF
MGO	2.09		WT%	XRF
CAO	5.73		WT%	XRF
NA2O	4.99		WT%	XRF
K2O	4.38		WT%	XRF
P2O5	0.52		WT%	XRF
H2O_PLUS	1.7		WT%	XRF
H2O_MINUS	0.19		WT%	XRF
CO2	0.01		WT%	XRF
TOTAL	98.4		WT%	XRF
PB206_PB204	18.05			MS
PB207_PB204	15.532			MS
PB208_PB204	38.43			MS

References

Kelley, Karen D; Romberger, Samuel B; Beaty, David W; Pontius, Jeffrey A; Snee, Lawrence W; Stein, Holly J; Thompson, Tommy B (1998) Geochemical and geochronological constraints on the genesis of Au-Te deposits at Creppile Creek, Colorado. Economic Geology and the Bulletin of the Society of Economic Geologists. 93; 7, Pages 981-1012. 1998.