Sample s_SN10

NavDat sample number 33850 · RHYODACITE

Sample

Latitude	42.83
Longitude	-121.92
Location	CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN
State / province	OREGON
Location comment	CRATER LAKE

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.01		0.006795	0.006895	QUATERNARY

Item	Value	Unit	Method
SIO2	57.8	WT%	XRF
AL2O3	26.9	WT%	XRF
FEOT	0.25	WT%	EPMA
CAO	8.81	WT%	XRF
MGO	0.04	WT%	XRF
SRO	0.15	WT%	EPMA
K2O	0.27	WT%	AES
NA2O	6.47	WT%	AES
SIO2	62.5	WT%	XRF
AL2O3	23.5	WT%	XRF
FEOT	0.29	WT%	EPMA
CAO	5.3	WT%	XRF
MGO	0.01	WT%	XRF
SRO	0.09	WT%	EPMA
K2O	0.52	WT%	AES
NA2O	8.29	WT%	AES
SIO2	56.4	WT%	XRF
AL2O3	27.8	WT%	XRF
FEOT	0.22	WT%	EPMA
CAO	9.85	WT%	XRF
MGO	0.03	WT%	XRF
SRO	0.18	WT%	EPMA
K2O	0.22	WT%	AES
NA2O	5.97	WT%	AES
SIO2	61.5	WT%	XRF
AL2O3	24.4	WT%	XRF
FEOT	0.28	WT%	EPMA
CAO	6.02	WT%	XRF
MGO	0.03	WT%	XRF
SRO	0.11	WT%	EPMA
K2O	0.47	WT%	AES
NA2O	7.9	WT%	AES
SIO2	58.8	WT%	XRF
AL2O3	26.3	WT%	XRF
FEOT	0.27	WT%	EPMA
CAO	8.21	WT%	XRF
MGO	0.03	WT%	XRF
SRO	0.22	WT%	EPMA
K2O	0.31	WT%	AES
NA2O	6.8	WT%	AES
SIO2	61.5	WT%	XRF
AL2O3	24	WT%	XRF
FEOT	0.32	WT%	EPMA
CAO	6.01	WT%	XRF
MGO	0.03	WT%	XRF
SRO	0.11	WT%	EPMA
K2O	0.48	WT%	AES
NA2O	7.89	WT%	AES
SIO2	52.5	WT%	XRF
TIO2	0.26	WT%	XRF
AL2O3	1.22	WT%	XRF
CR2O3	0.01	WT%	EPMA
FEOT	9.54	WT%	EPMA
CAO	21	WT%	XRF
MGO	14.4	WT%	XRF
MNO	0.44	WT%	XRF
NA2O	0.44	WT%	AES
WO	41.7	MOL%	EPMA
SIO2	52.8	WT%	XRF
TIO2	0.23	WT%	XRF
AL2O3	0.92	WT%	XRF
CR2O3	0.01	WT%	EPMA
FEOT	9.31	WT%	EPMA
CAO	21.3	WT%	XRF
MGO	14.4	WT%	XRF
MNO	0.44	WT%	XRF
NA2O	0.34	WT%	AES
WO	42.2	MOL%	EPMA
SIO2	52.7	WT%	XRF
TIO2	0.14	WT%	XRF
AL2O3	0.74	WT%	XRF
CR2O3	0.02	WT%	EPMA
FEOT	22.3	WT%	EPMA
CAO	1.04	WT%	XRF
MGO	22.3	WT%	XRF
MNO	0.91	WT%	XRF
NA2O	0.03	WT%	AES
WO	2.1	MOL%	EPMA
SIO2	52.8	WT%	XRF
TIO2	0.18	WT%	XRF
AL2O3	0.5	WT%	XRF
CR2O3	0.01	WT%	EPMA
FEOT	22.3	WT%	EPMA
CAO	1.02	WT%	XRF
MGO	22.3	WT%	XRF
MNO	0.94	WT%	XRF
NA2O	0.02	WT%	AES
WO	2.1	MOL%	EPMA