Sample PC-63

NavDat sample number 4912 · ANDESITE

Sample

Sample ID	PC-63
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	40.6417
Longitude	-111.373
Location	Park City Mining District
State / province	Utah

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
35		34	36

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.7		WT%	RAPID_ROCK
AL2O3	15.8		WT%	RAPID_ROCK
FE2O3	3.6		WT%	RAPID_ROCK
FEO	3.3		WT%	RAPID_ROCK
MGO	4		WT%	RAPID_ROCK
CAO	5.7		WT%	RAPID_ROCK
NA2O	3.5		WT%	RAPID_ROCK
K2O	3.2		WT%	RAPID_ROCK
H2O_MINUS	0.39		WT%	RAPID_ROCK
H2O	1.1		WT%	RAPID_ROCK
TIO2	0.89		WT%	RAPID_ROCK
P2O5	0.51		WT%	RAPID_ROCK
MNO	0.1		WT%	RAPID_ROCK
TOTAL	100		WT%	RAPID_ROCK

References

Bromfield, C S; Erickson, A J, Jr; Haddadin, M A; Mehnert, H H (1977) Potassium-argon ages of intrusion, extrusion, and associated oredeposits, Park City mining district, Utah. Economic Geology and the Bulletin of the Society of EconomicGeologists, vol.72, no.5, pp.837-848, Aug 1977 doi:10.2113/gsecongeo.72.5.837