Sample 99-118

NavDat sample number 41380 · BASALT

Sample

Sample ID	99-118
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	27.5
Longitude	-113.5
Location	SW Rancho El Desfiladoro
State / province	Baja California Sur
Country	MEXICO
Location comment	Vizcaino

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
10.6		10.3	10.9

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.5		WT%	ICPAES
AL2O3	15.3		WT%	ICPAES
FE2O3	11.6		WT%	ICPAES
MGO	8.05		WT%	ICPAES
CAO	7.7		WT%	ICPAES
NA2O	3.7		WT%	ICPAES
K2O	0.59		WT%	ICPAES
TIO2	1.32		WT%	ICPAES
P2O5	0.19		WT%	ICPAES
MNO	0.14		WT%	ICPAES
LOI	0.07		WT%	ICPAES
BA	159		PPM	ICPAES
LA	9		PPM	ICPAES
CE	21		PPM	ICPAES
ND	11.8		PPM	ICPAES
SM	3.55		PPM	ICPAES
EU	1.19		PPM	ICPAES
YB	1.36		PPM	ICPAES
TH	1.2		PPM	ICPAES
RB	8.7		PPM	ICPAES
SR	345		PPM	ICPAES
Y	16.5		PPM	ICPAES
NB	10		PPM	ICPAES

References

Aguillon-Robles, A; Calmus, T; Benoit, M; Bellon, H; Maury, RC; Cotton, J; Bourgois, J; Michaud, F (2001) Late Miocene adakites and Nb-enriched basalts from Vizcaino Peninsula, Mexico: Indicators of East Pacific Rise subduction below southern Baja California?. Geology [Geology]. Vol. 29, no. 6, pp. 531-534. Jun 2001.