Sample 376

NavDat sample number 17840 · RHYOLITE

Sample

Sample ID	376
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Maximum and minimum ages given are approximations based on average error of previous K-Ar dating.

Location

Latitude	33.2975
Longitude	-108.322
Location	Bloodgood canyon
State / province	New Mexico

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
27.3		23.5	31.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	76.02		WT%	EDXRF
TIO2	0.23		WT%	EDXRF
AL2O3	13.11		WT%	EDXRF
FEO	0.18		WT%	EDXRF
FE2O3	0.95		WT%	EDXRF
MNO	0.05		WT%	EDXRF
MGO	0.13		WT%	EDXRF
CAO	0.36		WT%	EDXRF
NA2O	3.94		WT%	EDXRF
K2O	5.08		WT%	EDXRF
P2O5	0.02		WT%	EDXRF
H2O_PLUS	0.55		WT%	EDXRF
TOTAL	100.81		WT%	EDXRF

References

Bornhorst, Theodore Joseph (1980) Major- and trace-element geochemistry and mineralogy of upper Eocene to Quaternary volcanic rocks of the Mogollon-Datil volcanic field, southwestern New Mexico.