Sample PA4

NavDat sample number 2361 · ANDESITE

Sample

Sample ID	PA4
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	34.9817
Longitude	-112.374
Location	Sullivan Buttes
State / province	Arizona

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26.7		25.6	27.8

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62		WT%	UNKNOWN
AL2O3	15.6		WT%	UNKNOWN
FE2O3	3.7		WT%	UNKNOWN
FEO	1.7		WT%	UNKNOWN
MGO	2.4		WT%	UNKNOWN
CAO	4.9		WT%	UNKNOWN
NA2O	3.6		WT%	UNKNOWN
K2O	3.5		WT%	UNKNOWN
H2O	1		WT%	UNKNOWN
H2O_MINUS	0.17		WT%	UNKNOWN
TIO2	0.89		WT%	UNKNOWN
P2O5	0.38		WT%	UNKNOWN
MNO	0.14		WT%	UNKNOWN

References

McKee, Edwin H; Anderson, Charles A (1971) Age and chemistry of Tertiary volcanic rocks in north-central Arizonaand relation of the rocks to the Colorado plateaus. Geological Society of America Bulletin, vol.82, no.10, pp.2767-2782,1971 doi:10.1130/0016-7606(1971)82[2767:AACOTV]2.0.CO;2