Sample HDV081

NavDat sample number 40904 · ANDESITE

Sample

Sample ID	HDV081
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Altered (alkali element mobility)

Location

Latitude	31.9081
Longitude	-108.469
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
71.435		70.05	71.82

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.42		WT%	ICPAES
AL2O3	18.39		WT%	ICPAES
FEOT	8.2		WT%	ICPAES
MGO	2.67		WT%	ICPAES
CAO	1.51		WT%	ICPAES
NA2O	6.06		WT%	ICPAES
K2O	1.2		WT%	ICPAES
TIO2	0.96		WT%	ICPAES
P2O5	0.36		WT%	ICPAES
MNO	0.11		WT%	ICPAES
LOI	3.58		WT%	ICPAES
TOTAL	100.46		WT%	ICPAES
SC	10		PPM	ICPAES
BA	1507		PPM	ICPAES
SR	1234		PPM	ICPAES
V	122		PPM	ICPAES
Y	19		PPM	ICPAES
ZR	176		PPM	ICPAES

References

Young, J. R, McMillan, N. J., Lawton, T. and R. P. Esser (2000) Volcanology, geochemistry and structural geology of the Upper Cretaceous Hidalgo Formation, southwestern New Mexico. New Mexico Geologic Society Guidebook, 51st Field Conference, Southwest Passage-A trip through the Phanerozoic, pg. 149-156