Sample PC-379

NavDat sample number 4903 · GRANODIORITE

Sample

Sample ID	PC-379
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	40.5828
Longitude	-111.499
Location	Park City Mining District
State / province	Utah

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
40.3		38.7	41.9

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	63.5		WT%	RAPID_ROCK
AL2O3	16.2		WT%	RAPID_ROCK
FE2O3	2		WT%	RAPID_ROCK
FEO	2.1		WT%	RAPID_ROCK
MGO	2		WT%	RAPID_ROCK
CAO	4.5		WT%	RAPID_ROCK
NA2O	4.2		WT%	RAPID_ROCK
K2O	3		WT%	RAPID_ROCK
H2O_MINUS	1		WT%	RAPID_ROCK
H2O	0.2		WT%	RAPID_ROCK
TIO2	0.48		WT%	RAPID_ROCK
P2O5	0.18		WT%	RAPID_ROCK
MNO	0.13		WT%	RAPID_ROCK
TOTAL	99		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