Sample QBT301

NavDat sample number 21787 · THOLEIITE

Sample

Sample ID	QBT301
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	49.44		WT%	XRF
TIO2	1.46		WT%	XRF
AL2O3	14.81		WT%	XRF
FE2O3	12.15		WT%	XRF
MNO	0.17		WT%	XRF
MGO	9.07		WT%	XRF
CAO	8.98		WT%	XRF
NA2O	3.02		WT%	XRF
K2O	0.75		WT%	XRF
P2O5	0.22		WT%	XRF
CR	291		PPM	INAA
NI	216		PPM	XRF
ZN	94		PPM	XRF
RB	16		PPM	INAA
SR	309		PPM	INAA
Y	26		PPM	INAA
ZR	121		PPM	INAA
NB	16		PPM	INAA
BA	165		PPM	XRF
PB	3.2		PPM	INAA
TH	3.7		PPM	INAA
ND143_ND144	0.512711			MS
SR87_SR86	0.70555			MS

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