Sample RM 1851

NavDat sample number 3657

Sample

Sample ID	RM 1851
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	29.6
Longitude	-103.2
Location	Rattlesnake Mountain
State / province	Texas

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
39		26	48

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56.14		WT%	XRF
TIO2	2.19		WT%	XRF
AL2O3	17.45		WT%	XRF
FE2O3	6.88		WT%	XRF
FEO	0.73		WT%	XRF
MGO	1.79		WT%	XRF
CAO	3.78		WT%	XRF
NA2O	6.32		WT%	XRF
K2O	4.88		WT%	XRF
P2O5	0.44		WT%	XRF
TOTAL	100		WT%	XRF
RB	113		PPM	XRF
SR	552.2		PPM	XRF
BA	1330		PPM	XRF

References

Carman-Max-F Jr.; Cameron, Maryellen; Gunn, Bernard; Cameron, Kenneth L; Butler, J C (1975) Petrology of Rattlesnake Mountain Sill, Big Bend National Park, Texas. Geological Society of America Bulletin. 86; 2, Pages 177-193. 1975. .