Sample 380

NavDat sample number 13064

Sample

Sample ID	380
Alternate ID	438
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	21.5
Longitude	-105.08
Location	Cora, Nay.
State / province	Nayarit

Age

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

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56.87		WT%	UNKNOWN
TIO2	1		WT%	UNKNOWN
AL2O3	17.02		WT%	UNKNOWN
FE2O3	2.9		WT%	UNKNOWN
FEO	4.46		WT%	UNKNOWN
MNO	0.2		WT%	UNKNOWN
MGO	3.64		WT%	UNKNOWN
CAO	6.07		WT%	UNKNOWN
NA2O	3.66		WT%	UNKNOWN
K2O	1.76		WT%	UNKNOWN
P2O5	0.35		WT%	UNKNOWN
H2O_PLUS	1.07		WT%	UNKNOWN
H2O_MINUS	0.24		WT%	UNKNOWN
TOTAL	99.24		WT%	UNKNOWN

References

Demant, Alain (1981) L'axe neo-volcanique transmexicain; etude volcanologique et petrographique; signification geodynamique: The Transmexican neo-volcanic axis; volcanologic and petrographic study; geodynamic significance.