Sample 99-119

NavDat sample number 41386 · ADAKITE

Sample

Sample ID	99-119
Rock name	ADAKITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	27.5
Longitude	-113.5
Location	Cerro San Lucas
State / province	Baja California Sur
Country	MEXICO
Location comment	Vizcaino

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
9.61		9.4	9.82

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	67.7		WT%	ICPAES
AL2O3	15.8		WT%	ICPAES
FE2O3	2.42		WT%	ICPAES
MGO	1.6		WT%	ICPAES
CAO	3.57		WT%	ICPAES
NA2O	5.15		WT%	ICPAES
K2O	1.52		WT%	ICPAES
TIO2	0.42		WT%	ICPAES
P2O5	0.14		WT%	ICPAES
MNO	0.03		WT%	ICPAES
LOI	1.59		WT%	ICPAES
BA	530		PPM	ICPAES
LA	12		PPM	ICPAES
CE	23		PPM	ICPAES
ND	13.2		PPM	ICPAES
SM	2.75		PPM	ICPAES
EU	0.77		PPM	ICPAES
YB	0.48		PPM	ICPAES
TH	1.7		PPM	ICPAES
RB	23		PPM	ICPAES
SR	820		PPM	ICPAES
Y	6.8		PPM	ICPAES
NB	4		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.