Sample 1173

NavDat sample number 10803 · ANDESITE

Sample

Sample ID	1173
Alternate ID	2325
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	19.68
Longitude	-97.45
Location	Los Humeros
State / province	Puebla

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2		1	3	Holocene

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62.16		WT%	UNKNOWN
TIO2	0.91		WT%	UNKNOWN
AL2O3	15.62		WT%	UNKNOWN
FE2O3	0.23		WT%	UNKNOWN
FEO	3.6		WT%	UNKNOWN
MNO	0.12		WT%	UNKNOWN
MGO	3.57		WT%	UNKNOWN
CAO	5.04		WT%	UNKNOWN
NA2O	3.55		WT%	UNKNOWN
K2O	3.25		WT%	UNKNOWN
P2O5	0.22		WT%	UNKNOWN
LOI	0.89		WT%	UNKNOWN
H2O_MINUS	0.21		WT%	UNKNOWN
TOTAL	99.37		WT%	UNKNOWN

References

Verma, Surendra P; Lopez, M M (1982) Geochemistry of Los Humeros Caldera, Puebla, Mexico. Bulletin Volcanologique. 45; 1, Pages 63-79. 1982. doi:10.1007/BF02600390