Sample 81JD209

NavDat sample number 16768 · ANDESITE

Sample

Sample ID	81JD209
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	36.875
Longitude	-121.185
Location	central Diablo Range
State / province	California
Volcanic field	Quien Sabe

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
9.7		8.5	10.9

Analyses

No chemical analyses are stored for this sample.

References

Drinkwater, J L; Weigand, P W; Sorg, D H (1988) Petrographic and chemical data for the Quien Sabe volcanic rocks in the Mariposa Peak Quadrangle, central Diablo Range, California. Open-File Report - U. S. Geological Survey. 1988.