Sample MM3

NavDat sample number 2357 · ANDESITE

Sample

Sample ID	MM3
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	34.7556
Longitude	-112.118
Location	Hickey Formation
State / province	Arizona

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
12.9		12.1	13.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.2		WT%	UNKNOWN
AL2O3	15		WT%	UNKNOWN
FE2O3	3.3		WT%	UNKNOWN
FEO	6.8		WT%	UNKNOWN
MGO	6.5		WT%	UNKNOWN
CAO	7.8		WT%	UNKNOWN
NA2O	2.7		WT%	UNKNOWN
K2O	0.74		WT%	UNKNOWN
H2O	0.77		WT%	UNKNOWN
H2O_MINUS	0.23		WT%	UNKNOWN
TIO2	1.5		WT%	UNKNOWN
P2O5	0.16		WT%	UNKNOWN
MNO	0.28		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