Sample 560

NavDat sample number 12225 · BASALT

Sample

Sample ID	560
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	basalt lava

Location

Latitude	29.25
Longitude	-103.767
Location	Bee Mountain Basalt, 1 mile NW of Lajitas on River Road
State / province	Texas

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
34.5		26	38

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.08		WT%	XRF
TIO2	1.59		WT%	XRF
AL2O3	17.67		WT%	XRF
FE2O3	1.04		WT%	XRF
FEO	8.67		WT%	XRF
MNO	0.13		WT%	XRF
MGO	6.17		WT%	XRF
CAO	8.59		WT%	XRF
NA2O	3.63		WT%	XRF
K2O	1.05		WT%	XRF
P2O5	0.37		WT%	XRF
TOTAL	100		WT%	XRF
NI	55		PPM	MS-ID
RB	28		PPM	MS-ID
SR	509		PPM	MS-ID
Y	30		PPM	MS-ID
ZR	187		PPM	MS-ID
NB	14		PPM	MS-ID

References

Cameron, Kenneth L; Cameron, Maryellen (1986) Geochemistry of quartz-normative igneous rocks from the Chinati Mountains and Terlingua areas, West Texas; a comparison with Cenozoic volcanic rocks from Chihuahua and Baja California Sur, Mexico. Guidebook - Bureau of Economic Geology, University of Texas at Austin. 23; Pages 143-163. 1986. .