Sample NHE-380

NavDat sample number 92226 · TRACHYANDESITE

Sample

Sample ID	NHE-380
Rock name	TRACHYANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	34
Longitude	-109.5
Location	White Mountains Deep Creek
State / province	Arizona

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
8.66		7.794	9.526	Miocene

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.5		WT%	XRF
TIO2	1.82		WT%	XRF
AL2O3	18		WT%	XRF
FE2O3	8.05		WT%	XRF
MNO	0.16		WT%	XRF
MGO	1.43		WT%	XRF
CAO	4.8		WT%	XRF
NA2O	4.38		WT%	XRF
K2O	3.56		WT%	XRF
P2O5	0.82		WT%	XRF
TOTAL	99.42		WT%	XRF
RB	88		PPM	INAA
BA	1300		PPM	INAA
SR	754		PPM	INAA
LA	104		PPM	INAA
CE	149		PPM	INAA
ND	91		PPM	INAA
SM	17.2		PPM	INAA
EU	3.84		PPM	INAA
TB	1.93		PPM	INAA
YB	5		PPM	INAA
LU	0.713		PPM	INAA
TH	12.5		PPM	INAA
U	2.7		PPM	INAA
HF	8.36		PPM	INAA
SC	10.6		PPM	INAA
NB	60		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