Sample CH30

NavDat sample number 10817 · BASALTIC-ANDESITE

Sample

Sample ID	CH30
Alternate ID	2339
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	55.93		WT%	UNKNOWN
TIO2	0.95		WT%	UNKNOWN
AL2O3	19.72		WT%	UNKNOWN
FE2O3	1.58		WT%	UNKNOWN
FEO	4.04		WT%	UNKNOWN
MNO	0.09		WT%	UNKNOWN
MGO	3.32		WT%	UNKNOWN
CAO	7.82		WT%	UNKNOWN
NA2O	3.84		WT%	UNKNOWN
K2O	1.52		WT%	UNKNOWN
P2O5	0.23		WT%	UNKNOWN
LOI	0.51		WT%	UNKNOWN
H2O_MINUS	0.13		WT%	UNKNOWN
TOTAL	99.78		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