Sample H72-1

NavDat sample number 7386 · RHYOLITE

Sample

Sample ID	H72-1
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Collected by	Hearn
Comment	porphyritic

Location

Latitude	38.9233
Longitude	-122.697
Location	Thurston Creek
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.48		0.46	0.49

Analyses

No chemical analyses are stored for this sample.

References

Berry-A-L compiler; Dalrymple-G-B compiler; Lanphere-M-A compiler; Von-Essen-J-C compiler; Berg-H-C compiler; Campbell-R-H compiler; Clark-S-H-B compiler; Cornwall-H-R compiler; Crittenden-Max-D Jr. compiler; Csejtey-Bela Jr. compiler; Eberlein-G-D compiler; Fox-K-F Jr. compiler; Hall-W-E compiler; Hearn-B-C Jr. compiler; Hoare-J-M compiler; Hopkins-D-M compiler; MacKevett-Edward-M Jr. compiler; May-R compiler; Miller-T-P compiler; Moore-J-C compiler; Rinehart-C-Dean compiler; Scholl-D-W compiler (1976) Summary of miscellaneous potassium-argon age measurements, U. S. Geological Survey, Menlo Park, California, for the years 1972-74. U. S. Geological Survey Circular. 1976.