Sample 602

NavDat sample number 18025 · ANDESITE

Sample

Sample ID	602
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	33.5814
Longitude	-108.314
Location	O-Bar-O mountain
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
22		20	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.51		WT%	EDXRF
TIO2	1.03		WT%	EDXRF
AL2O3	14.5		WT%	EDXRF
FEO	6.71		WT%	EDXRF
MGO	2		WT%	EDXRF
CAO	5.53		WT%	EDXRF
NA2O	3.85		WT%	EDXRF
K2O	2.99		WT%	EDXRF
BA	1676		PPM	EDXRF
CR	35		PPM	EDXRF
NI	45		PPM	EDXRF
RB	82		PPM	EDXRF
SR	572		PPM	EDXRF
V	107		PPM	EDXRF
Y	36		PPM	EDXRF
ZN	85		PPM	EDXRF
ZR	291		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.