Sample 3S159

NavDat sample number 29944 · BASALT

Sample

Sample ID	3S159
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	Brittain
Comment	Flow

Location

Latitude	44.1312
Longitude	-121.768
Location	Middle Sister
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.4		0.2	0.6

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.9		WT%	XRF
TIO2	1.62		WT%	XRF
AL2O3	15.8		WT%	XRF
FEOT	9.55		WT%	XRF
MNO	0.17		WT%	XRF
MGO	5.66		WT%	XRF
CAO	8.21		WT%	XRF
NA2O	3.6		WT%	XRF
K2O	0.71		WT%	XRF
P2O5	0.28		WT%	XRF
TOTAL	98.5		WT%	XRF
RB	13		PPM	INAA
BA	264		PPM	INAA
SR	466		PPM	INAA
CO	74		PPM	INAA
NI	10		PPM	INAA
CR	113		PPM	INAA
ZN	94		PPM	INAA

References

Hill, Brittain Eames (1991) Petrogenesis of compositionally distinct silicic volcanoes in theThree Sisters region of the Oregon Cascade Range; the effects ofcrustal extension on the development of continental arc silicicmagmatism.