Sample J22-A

NavDat sample number 19769 · ANDESITE

Sample

Sample ID	J22-A
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	28.33
Longitude	-107.87
Location	tomochic volcanic center
State / province	CHIHUAHUA

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32.2		30.4	34

Analyses

No chemical analyses are stored for this sample.

References

Wark, D A; Kempter, K A; McDowell, F W (1990) Evolution of waning, subduction-related magmatism, northern Sierra Madre Occidental, Mexico. Geological Society of America Bulletin, vol.102, no.11, pp.1555-1564, Nov 1990 doi:10.1130/0016-7606(1990)102<1555:EOWSRM>2.3.CO;2