Sample 538

NavDat sample number 17967 · ANDESITE

Sample

Sample ID	538
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Maximum and minimum ages given are approximations based on average error of previous K-Ar dating.

Location

Latitude	33.3772
Longitude	-108.279
Location	Black mountain
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
23.9		22.8	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.18		WT%	EDXRF
TIO2	1.18		WT%	EDXRF
AL2O3	15.5		WT%	EDXRF
FEO	7.15		WT%	EDXRF
MGO	3		WT%	EDXRF
CAO	5.53		WT%	EDXRF
NA2O	3.16		WT%	EDXRF
K2O	2.93		WT%	EDXRF
TOTAL	95.63		WT%	EDXRF
BA	1698		PPM	EDXRF
CR	32		PPM	EDXRF
NI	49		PPM	EDXRF
RB	90		PPM	EDXRF
SR	546		PPM	EDXRF
V	106		PPM	EDXRF
Y	36		PPM	EDXRF
ZN	84		PPM	EDXRF
ZR	312		PPM	EDXRF

References

Bornhorst, Theodore Joseph (1980) Major- and trace-element geochemistry and mineralogy of upper Eocene to Quaternary volcanic rocks of the Mogollon-Datil volcanic field, southwestern New Mexico.