Sample SV98-4

NavDat sample number 43920 · TRACHYANDESITE

Sample

Sample ID	SV98-4
Rock name	TRACHYANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	porphyritic to glomeroporphyritic shoshonite to latite with phenos of plag, cpx and olivine

Latitude	44.525
Longitude	-109.443
Location	Sunlight Volcano, Absaroka Volcanic Field
State / province	Wyoming
Volcanic field	Jim Mountain / Black Mountain Members, Wapiti Formation, Sunlight Volcano

Age (Ma)	Error	Min	Max	Geologic age	Dated by
49.4		49.2	49.7

Item	Value	Unit	Method
SIO2	55.59	WT%	XRF
AL2O3	16.53	WT%	XRF
FE2O3T	8.67	WT%	XRF
TIO2	1.02	WT%	XRF
MNO	0.11	WT%	XRF
CAO	6.22	WT%	XRF
MGO	4.5	WT%	XRF
K2O	3.91	WT%	XRF
NA2O	3.24	WT%	XRF
P2O5	0.56	WT%	XRF
TOTAL	99.79	WT%	XRF
NI	34	PPM	XRF
CR	67	PPM	XRF
SC	13	PPM	XRF
V	181	PPM	XRF
BA	1652	PPM	XRF
RB	107	PPM	XRF
SR	1178	PPM	XRF
ZR	236	PPM	XRF
Y	20	PPM	XRF
NB	15.6	PPM	XRF
PB	27	PPM	XRF
TH	16	PPM	XRF