Sample PC-25

NavDat sample number 4900 · GRANODIORITE

Sample

Sample ID	PC-25
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	40.5967
Longitude	-111.528
Location	Park City Mining District
State / province	Utah

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
34.8		33.5	36.1

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	58.9		WT%	RAPID_ROCK
AL2O3	15.9		WT%	RAPID_ROCK
FE2O3	2.7		WT%	RAPID_ROCK
FEO	4.1		WT%	RAPID_ROCK
MGO	4.2		WT%	RAPID_ROCK
CAO	5.7		WT%	RAPID_ROCK
NA2O	2.9		WT%	RAPID_ROCK
K2O	3.2		WT%	RAPID_ROCK
H2O_MINUS	0.06		WT%	RAPID_ROCK
H2O	0.56		WT%	RAPID_ROCK
TIO2	0.95		WT%	RAPID_ROCK
P2O5	0.55		WT%	RAPID_ROCK
MNO	0.06		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