Sample TH 7B

NavDat sample number 31829

Sample

Sample ID	TH 7B
Alternate ID	2941
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	21.0333
Longitude	-98.6
Location	Tlanchinol-Huejutla
State / province	Hidalgo

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
6.25		5	7.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	45.8		WT%	UNKNOWN
TIO2	2.25		WT%	UNKNOWN
AL2O3	15.3		WT%	UNKNOWN
FE2O3	4.68		WT%	UNKNOWN
FEO	6.6		WT%	UNKNOWN
MNO	0.16		WT%	UNKNOWN
MGO	9.6		WT%	UNKNOWN
CAO	11.4		WT%	UNKNOWN
NA2O	3.45		WT%	UNKNOWN
K2O	0.9		WT%	UNKNOWN
H2O_PLUS	0		WT%	UNKNOWN
H2O_MINUS	0.08		WT%	UNKNOWN
TOTAL	100.22		WT%	UNKNOWN

References

Robin, C (1982) Relations volcanologie - magmatologie - geodynamique; application au passage entre volcanisme alcalin et andesitique dans le Sud mexicain Axe Trans-mexicain et Province Alcaline Orientale. Annales Scientifiques de l'Universite de Clermont, 2: Geologie, Mineralogie. 70; 1982.