Sample RTX-1

NavDat sample number 12685 · RHYOLITE

Sample

Sample ID	RTX-1
Rock name	RHYOLITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	31.2667
Longitude	-105.472
Location	Texan Mountain, Sierra Blanca area
State / province	Texas

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
45		38	48

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	74.51		WT%	PER_COM
TIO2	0.02		WT%	PER_COM
AL2O3	12.94		WT%	PER_COM
FE2O3	1.76		WT%	XRF
MNO	0.09		WT%	XRF
MGO	0.34		WT%	XRF
CAO	0.32		WT%	XRF
NA2O	4.96		WT%	XRF
K2O	3.85		WT%	XRF
TOTAL	100		WT%	XRF
SR	2026		PPM	INAA
Y	168		PPM	INAA
ZR	309		PPM	INAA
BA	471		PPM	INAA

References

Matthews-William-K III; Adams, John A S (1986) Geochemistry, age, and structure of the Sierra Blanca and Finlay Mountain intrusions, Hudspeth County, Texas. Guidebook - Bureau of Economic Geology, University of Texas at Austin. 23; Pages 207-224. 1986. .