Sample 14

NavDat sample number 5463 · BASALT

Sample

Sample ID	14
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	24.1
Longitude	-104.617
Location	Durango City
State / province	Durango
Formation	Caleras Basalt

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
29.3		28.1	30.4

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.2		WT%	UNKNOWN
TIO2	1.5		WT%	UNKNOWN
AL2O3	16.22		WT%	UNKNOWN
FE2O3	3.68		WT%	UNKNOWN
FEO	5.75		WT%	UNKNOWN
MNO	0.15		WT%	UNKNOWN
MGO	5.17		WT%	UNKNOWN
CAO	7.91		WT%	UNKNOWN
NA2O	2.89		WT%	UNKNOWN
K2O	1.52		WT%	UNKNOWN
H2O_PLUS	0.7		WT%	UNKNOWN
H2O_MINUS	0.14		WT%	UNKNOWN
P2O5	0.53		WT%	UNKNOWN
CO2	0.03		WT%	UNKNOWN

References

Swanson, E R; Keizer, R P; Lyons, J I; Clabaugh, S E (1978) Tertiary volcanism and caldera development near Durango City, Sierra Madre Occidental, Mexico. Geological Society of America Bulletin, vol.89, no.7, pp.1000-1012, Jul 1978 doi:10.1130/0016-7606(1978)89<1000:TVACDN>2.0.CO;2