Sample Z2.81.19

NavDat sample number 92169 · DIABASE

Sample

Sample ID	Z2.81.19
Rock name	DIABASE
Rock type	PLUTONIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	34.4833
Longitude	-108.283
Location	Blue Hills
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
28.75		23.8	33.7	Oligocene

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.8		WT%	EPMA
TIO2	1.96		WT%	EPMA
AL2O3	15.9		WT%	EPMA
FE2O3T	11.5		WT%	EPMA
MNO	0.15		WT%	EPMA
MGO	5.9		WT%	EPMA
CAO	7.6		WT%	EPMA
NA2O	3.12		WT%	EPMA
K2O	1.5		WT%	EPMA
P2O5	0.71		WT%	EPMA
TOTAL	100.14		WT%	EPMA
CS	1.8		PPM	INAA
RB	41		PPM	INAA
BA	923		PPM	INAA
SR	803		PPM	INAA
LA	36		PPM	INAA
SM	8.8		PPM	INAA
EU	2.32		PPM	INAA
TB	1.1		PPM	INAA
YB	2.82		PPM	INAA
LU	0.32		PPM	INAA
TH	6.4		PPM	INAA
U	1.9		PPM	INAA
HF	6		PPM	INAA
CR	125		PPM	INAA
SC	20		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