Sample IPK6

NavDat sample number 37517 · BASALTIC-ANDESITE

Sample

Sample ID	IPK6
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	richer in phenocrysts than other rocks up to 55%; particularly distinguished by presence of hornblende which is absent from other Jackson Hole volcanic rocks but common in Absaroka volcanic rocks; plagioclase and hornblende show many disequilibrium features

Age (Ma)	Error	Min	Max	Geologic age	Dated by
6		3	10

Item	Value	Unit	Method
SIO2	53.4	WT%	XRF
AL2O3	19.47	WT%	XRF
TIO2	0.495	WT%	XRF
FEOT	5.84	WT%	XRF
MNO	0.089	WT%	XRF
CAO	8.19	WT%	XRF
MGO	1.82	WT%	XRF
K2O	3.88	WT%	XRF
NA2O	4.22	WT%	XRF
P2O5	0.336	WT%	XRF
NI	7	PPM	XRF
CR	15	PPM	XRF
SC	17	PPM	XRF
V	89	PPM	XRF
BA	452	PPM	XRF
RB	92	PPM	XRF
SR	1114	PPM	XRF
ZR	195	PPM	XRF
Y	28	PPM	XRF
NB	10	PPM	XRF
GA	20	PPM	XRF
CU	23	PPM	XRF
ZN	52	PPM	XRF
PB	3	PPM	XRF
LA	40	PPM	XRF
CE	93	PPM	XRF
TH	12	PPM	XRF