Sample SV97-12

NavDat sample number 43927 · TRACHYANDESITE

Sample

Sample ID	SV97-12
Rock name	TRACHYANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	porphyritic to glomeroporphyritic shoshonite to latite with phenos of plag, cpx, and olivine in intergranular to intersertal groundmass of cpx, plag, sanidine, opaques, apatite, and glass

Latitude	44.58
Longitude	-109.49
Location	Sunlight Volcano, Absaroka Volcanic Field
State / province	Wyoming
Volcanic field	Lower Trout Peak Trachyandesite, Sunlight Volcano

Age (Ma)	Error	Min	Max	Geologic age	Dated by
48.4		48.25	48.6

Item	Value	Unit	Method
SIO2	52.89	WT%	XRF
AL2O3	15.76	WT%	XRF
FE2O3T	9.16	WT%	XRF
TIO2	0.8	WT%	XRF
MNO	0.14	WT%	XRF
CAO	8.4	WT%	XRF
MGO	6.53	WT%	XRF
K2O	2.97	WT%	XRF
NA2O	3.01	WT%	XRF
P2O5	0.43	WT%	XRF
TOTAL	99.65	WT%	XRF
NI	55	PPM	XRF
CR	167	PPM	XRF
SC	25	PPM	XRF
V	207	PPM	XRF
BA	1365	PPM	XRF
RB	60	PPM	XRF
SR	969	PPM	XRF
ZR	124	PPM	XRF
Y	14	PPM	XRF
NB	6.3	PPM	XRF
PB	12	PPM	XRF
TH	2	PPM	XRF