Sample TS8

NavDat sample number 54526 · TUFF

Sample

Sample ID	TS8
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Type Section of the Nine Hill, Tuff, Carson city, Nevada [Ne 1/4, NW 1/4, SE 1/4, Sec 29, T16N, R20E, se flank of Hill 5962, in vertical sequence between elevation 5790' and top of hill] tuff transitional between Lower phase and upper phase, more upper phase in character densely welded buff to light red, approx. 5% phenocryst. Tuff of Chimney Spring and Eureka Canyon tuff, in separate areas, overlie the Nine Hill Tuff near the top of Hill 5962.

Age (Ma)	Error	Min	Max	Geologic age	Dated by
22.78		19.21	26.34

Item	Value	Unit	Method
SIO2	73.52	WT%	XRF
TIO2	0.29	WT%	XRF
AL2O3	14.1	WT%	XRF
FEO	2.07	WT%	XRF
MNO	0.01	WT%	XRF
MGO	-0.3	WT%	XRF
CAO	0.46	WT%	XRF
NA2O	3.52	WT%	XRF
K2O	5.03	WT%	XRF
P2O5	-0.09	WT%	XRF
S	-10	PPM	XRF
CL	-50	PPM	XRF
NI	-10	PPM	XRF
CU	-5	PPM	XRF
ZN	85	PPM	XRF
GA	20	PPM	XRF
RB	184	PPM	XRF
SR	49	PPM	XRF
Y	35	PPM	XRF
ZR	347	PPM	XRF
NB	27	PPM	XRF
CS	6	PPM	XRF
BA	768	PPM	XRF
PB	64	PPM	XRF
TH	24	PPM	XRF
LA	62	PPM	XRF
CE	86	PPM	XRF
PR	21	PPM	XRF
ND	41	PPM	XRF
SM	13	PPM	XRF
W	-5	PPM	XRF