Sample CH40

NavDat sample number 10822 · BASALTIC-ANDESITE

Sample

Sample ID	CH40
Alternate ID	2344
Rock name	BASALTIC-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	53.05		WT%	UNKNOWN
TIO2	1.2		WT%	UNKNOWN
AL2O3	18.82		WT%	UNKNOWN
FE2O3	2.8		WT%	UNKNOWN
FEO	5.41		WT%	UNKNOWN
MNO	0.14		WT%	UNKNOWN
MGO	4.71		WT%	UNKNOWN
CAO	7.3		WT%	UNKNOWN
NA2O	2.96		WT%	UNKNOWN
K2O	1.88		WT%	UNKNOWN
P2O5	0.39		WT%	UNKNOWN
LOI	1.16		WT%	UNKNOWN
H2O_MINUS	0.48		WT%	UNKNOWN
TOTAL	100.3		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