Sample QBT302

NavDat sample number 21788 · THOLEIITE

Sample

Sample ID	QBT302
Rock name	THOLEIITE
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	34.92
Longitude	-108.05
Location	Twin Crater
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.685		0.001	1.38

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	49.74		WT%	XRF
TIO2	1.44		WT%	XRF
AL2O3	15.03		WT%	XRF
FE2O3	12.41		WT%	XRF
MNO	0.47		WT%	XRF
MGO	9.49		WT%	XRF
CAO	9.04		WT%	XRF
NA2O	2.97		WT%	XRF
K2O	0.73		WT%	XRF
P2O5	0.22		WT%	XRF
CR	290		PPM	INAA
NI	215		PPM	XRF
ZN	93		PPM	XRF
RB	18		PPM	INAA
SR	312		PPM	INAA
Y	25		PPM	INAA
ZR	118		PPM	INAA
NB	15		PPM	INAA
BA	177		PPM	XRF
PB	3.6		PPM	INAA
TH	2.8		PPM	INAA

References

Menzies, Martin A; Kyle, Philip R; Jones, Michael; Ingram, Gerry (1991) Enriched and depleted source components for tholeiitic and alkaline lavas from Zuni-Bandera, New Mexico; inferences about intraplate processes and stratified lithosphere. Journal of Geophysical Research, B, Solid Earth and Planets. 96; 8, Pages 13,645-13,671. 1991. . doi:10.1029/91JB00556