Sample 62497-05A1

NavDat sample number 52767 · RHYOLITE

Sample

Sample ID	62497-05A1
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	43.3931
Longitude	-112.909
Location	Eastern Snake River Plain volcanic field
State / province	Idaho

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.4		0.36	0.44

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	75.5		WT%	ICPAES
TIO2	0.15		WT%	ICPAES
AL2O3	12.4		WT%	ICPAES
FEOT	1.89		WT%	ICPAES
MNO	0.05		WT%	ICPAES
NA2O	3.85		WT%	ICPAES
K2O	5.33		WT%	ICPAES
P2O5	0.03		WT%	ICPAES
TOTAL	90.8		WT%	ICPAES
SR	2		PPM	ICPAES
BA	252		PPM	ICPAES
ZR	463		PPM	ICPAES

References

McCurry, Michael; Hayden, Karl P; Morse, Lee H; Mertzman, Stan (2008) Genesis of post-hotspot, A-type rhyolite of the Eastern Snake River Plain volcanic field by extreme fractional crystallization of olivine tholeiite.