Sample RM-4

NavDat sample number 41234 · GNEISS

Sample

Sample ID	RM-4
Rock name	GNEISS
Material	METAMORPHIC
Comment	(Table 4.5); Pegmatitic two-mica granitic gneiss (Table 4.6)

Location

Latitude	40.6296
Longitude	-115.369
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
81		65	97

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
D18O	13		PERMILL	MS
SIO2	75.79		WT%	ICPAES
TIO2	0.13		WT%	ICPAES
AL2O3	12.98		WT%	ICPAES
FE2O3	0.95		WT%	ICPAES
MNO	0.02		WT%	ICPAES
MGO	0.23		WT%	ICPAES
CAO	1.8		WT%	ICPAES
NA2O	2.81		WT%	ICPAES
K2O	3.82		WT%	ICPAES
P2O5	0.06		WT%	ICPAES
LOI	0.44		WT%	LOI
TOTAL	99.02		WT%	ICPAES
ZR	100		PPM	ICPAES

References

Lee, Sang yun (1999) Geology and petrology of Cretaceous and Tertiary granitic rocks, Lamoille Canyon, Ruby Mountains, Nevada.