Sample RH-8

NavDat sample number 34510 · LATITE

Sample

Sample ID	RH-8
Rock name	LATITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	oligoclase and hornblende phenocrysts along with traces of magnetite, sphene, apatite, and biotite; holocrystalline groundmass with quartz, sanidine, hornblende, magnetite, apatite, phlogopite, zircon, and sphene

Latitude	42.5
Longitude	-107.31
Location	Rattlesnake Hills
State / province	Wyoming
Volcanic field	Rattlesnake Hills alkalic complex, western felsic province

Age (Ma)	Error	Min	Max	Geologic age	Dated by
44		32	44

Item	Value	Unit	Method
SIO2	57.7	WT%	XRF
TIO2	0.39	WT%	XRF
AL2O3	15.1	WT%	XRF
FE2O3T	3.61	WT%	XRF
MNO	0.12	WT%	XRF
MGO	1.08	WT%	XRF
CAO	4.14	WT%	XRF
NA2O	4.67	WT%	XRF
K2O	2.78	WT%	XRF
P2O5	0.18	WT%	XRF
LOI	10.5	WT%	XRF
TOTAL	100.27	WT%	XRF
RB	72	PPM	XRF
SR	1580	PPM	XRF
Y	18	PPM	XRF
ZR	180	PPM	XRF
NB	30	PPM	XRF
BA	790	PPM	XRF
PB	15	PPM	XRF
TH	-10	PPM	XRF
U	-10	PPM	XRF
CR	16	PPM	XRF
CO	21	PPM	XRF
NI	-10	PPM	XRF
CU	-10	PPM	XRF
ZN	76	PPM	XRF