Sample 21

NavDat sample number 1679 · LATITE

Sample

Sample ID	21
Alternate ID	648-S5-3a
Rock name	LATITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.0157
Longitude	-120.184
State / province	Oregon
Formation	John Day Formation

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25.05		16.4	33.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	69.18		WT%	UNKNOWN
TIO2	0.5		WT%	UNKNOWN
AL2O3	13.58		WT%	UNKNOWN
FE2O3	4.89		WT%	UNKNOWN
FEO	0.42		WT%	UNKNOWN
MNO	0.02		WT%	UNKNOWN
MGO	0.12		WT%	UNKNOWN
CAO	1.59		WT%	UNKNOWN
NA2O	3.72		WT%	UNKNOWN
K2O	3.56		WT%	UNKNOWN
H2O_MINUS	1.53		WT%	UNKNOWN
H2O_PLUS	0.87		WT%	UNKNOWN
P2O5	0.09		WT%	UNKNOWN

References

Robinson, Paul T (1969) High-titania alkali-olivine basalts of north-central oregon, u.s.a. Contributions to Mineralogy and Petrology. 22; 4, Pages 349-360. 1969. doi:10.1007/BF00400129