Sample Z2.81.22

NavDat sample number 92168 · DIABASE

Sample

Sample ID	Z2.81.22
Rock name	DIABASE
Rock type	PLUTONIC
Composition	MAFIC
Material	IGNEOUS
Comment	Alkaline dike

Location

Latitude	34.465
Longitude	-108.313
Location	Adams Diggings
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26.5		25.3	27.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.5		WT%	EPMA
TIO2	1.42		WT%	EPMA
AL2O3	14.8		WT%	EPMA
FE2O3T	9.88		WT%	EPMA
MNO	0.16		WT%	EPMA
MGO	8		WT%	EPMA
CAO	7.5		WT%	EPMA
NA2O	2.92		WT%	EPMA
K2O	2.8		WT%	EPMA
P2O5	0.81		WT%	EPMA
TOTAL	99.79		WT%	EPMA
CS	2.4		PPM	INAA
RB	53		PPM	INAA
BA	1433		PPM	INAA
SR	956		PPM	INAA
LA	30		PPM	INAA
SM	6.5		PPM	INAA
EU	1.87		PPM	INAA
TB	0.83		PPM	INAA
YB	1.84		PPM	INAA
LU	0.42		PPM	INAA
TH	6		PPM	INAA
U	1.5		PPM	INAA
HF	5.2		PPM	INAA
CR	327		PPM	INAA
SC	23		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