Sample 4

NavDat sample number 1003 · BASALT

Sample

Sample ID	4
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	44.729
Longitude	-122.94
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
4		2	7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.29		WT%	UNKNOWN
TIO2	1.14		WT%	UNKNOWN
AL2O3	17.79		WT%	UNKNOWN
FEOT	8.17		WT%	UNKNOWN
MNO	0.15		WT%	UNKNOWN
MGO	6.84		WT%	UNKNOWN
CAO	8.91		WT%	UNKNOWN
NA2O	3.39		WT%	UNKNOWN
K2O	0.78		WT%	UNKNOWN
P2O5	0.53		WT%	UNKNOWN
TOTAL	99.08		WT%	UNKNOWN
LOI	0.64		WT%	UNKNOWN

References

Thayer, Thomas Prence (1937) Petrology of later Tertiary and Quaternary rocks of the north-central Cascade Mountains in Oregon, with notes on similar rocks in western Nevada. Geological Society of America Bulletin. 48; 11, Pages 1611-1651. 1937.