Sample Tdai-mid

NavDat sample number 20665 · TUFF

Sample

Sample ID	Tdai-mid
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	32.2917
Longitude	-106.55
Location	Dona Ana Cauldron
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
35.69		35.6	35.78

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	72.62		WT%	ICPAES
AL2O3	15.23		WT%	ICPAES
FE2O3	1.84		WT%	ICPAES
MGO	0.19		WT%	ICPAES
CAO	0.35		WT%	ICPAES
NA2O	4.98		WT%	ICPAES
K2O	4.41		WT%	ICPAES
TIO2	0.4		WT%	ICPAES
MNO	0.034		WT%	ICPAES
BA	940		PPM	ICPAES
LA	74		PPM	ICPAES
SR	109		PPM	ICPAES
Y	44		PPM	ICPAES
ZR	351		PPM	ICPAES

References

Butcher, Donald Paul (1990) Geochemistry and Nd-Se systematics of selected lithologic units of the oligocene organ cauldron and batholith, south central New Mexico.