Sample A-161

NavDat sample number 58079 · BASALT

Sample

Sample ID	A-161
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	30.2833
Longitude	-110.267
Location	Arizpe conglomerate.
State / province	Sonora
Country	Mexico
Location comment	Arizpe-Bacanuchi

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21.7		21.5	21.9

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.62		WT%	XRF
AL2O3	17.37		WT%	XRF
FE2O3	7.87		WT%	XRF
FEO	2.08		WT%	XRF
MGO	2.93		WT%	XRF
CAO	7.01		WT%	XRF
NA2O	3.41		WT%	XRF
K2O	2.67		WT%	XRF
TIO2	1.78		WT%	XRF
P2O5	0.67		WT%	XRF
MNO	0.15		WT%	XRF
LOI	1.81		WT%	XRF
BA	721		PPM	ICPMS
CE	94.54		PPM	ICPMS
ND	40.68		PPM	ICPMS
SM	9.24		PPM	ICPMS
EU	2.67		PPM	ICPMS
YB	3.71		PPM	ICPMS
TH	6		PPM	ICPMS
RB	53		PPM	ICPMS
SR	678		PPM	ICPMS
Y	31		PPM	ICPMS
NB	12		PPM	ICPMS
ZR	208		PPM	ICPMS

References

Gonzalez Leon, Carlos M; McIntosh, William C; Lozano-Santa Cruz,Rufino; Valencia-Moreno, Martin; Amaya-Martinez, Ricardo; Rodriguez-Castaneda, Jose Luis (2000) Cretaceous and Tertiary sedimentary, magmatic, and tectonic evolutionof north-central Sonora (Arizpe and Bacanuchi quadrangles), NorthwestMexico. Geological Society of America Bulletin, vol.112, no.4, pp.600-610, Apr2000 doi:10.1130/0016-7606(2000)112<600:CATSMA>2.0.CO;2