Sample NMO-85

NavDat sample number 92223 · TRACHYTE

Sample

Sample ID	NMO-85
Rock name	TRACHYTE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	34
Longitude	-109.5
Location	White Mountains Mount Ord
State / province	Arizona

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
8.5		7.65	9.35	Miocene

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62.5		WT%	XRF
TIO2	0.8		WT%	XRF
AL2O3	17.3		WT%	XRF
FE2O3	4.58		WT%	XRF
MNO	0.07		WT%	XRF
MGO	0.61		WT%	XRF
CAO	2.43		WT%	XRF
NA2O	4.74		WT%	XRF
K2O	4.24		WT%	XRF
P2O5	0.33		WT%	XRF
TOTAL	98.9		WT%	XRF
RB	123		PPM	INAA
BA	1180		PPM	INAA
SR	418		PPM	INAA
LA	64.6		PPM	INAA
CE	112		PPM	INAA
ND	48.2		PPM	INAA
SM	7.4		PPM	INAA
EU	2.31		PPM	INAA
TB	1.22		PPM	INAA
YB	3.59		PPM	INAA
LU	0.494		PPM	INAA
TH	20.3		PPM	INAA
U	4.52		PPM	INAA
HF	10.7		PPM	INAA
CR	0.9		PPM	INAA
SC	5.87		PPM	INAA
NI	12		PPM	INAA
NB	224		PPM	INAA

References

Baldridge, W Scott; Perry, F V; Vaniman, D T; Nealey, L D; Leavy, B D; Laughlin, A W; Kyle, P R; Bartov, Yosef; Steinitz, Gideon; Gladney, E S (1991) Middle to late Cenozoic magmatism of the southeastern Colorado Plateau and central Rio Grande Rift New Mexico and Arizona, U.S.A.; a model for continental rifting. Tectonophysics. 197; 2-4, Pages 327-354. 1991. . doi:10.1016/0040-1951(91)90049-X