Sample LE-1020

NavDat sample number 32280 · TONALITE

Sample

Sample ID	LE-1020
Rock name	TONALITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	37.8167
Longitude	-119.765
Location	Intrusive suite of Wawona
State / province	California
Pluton	Tonalite of Aspen Valley

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
110		99	121

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	62.16		WT%	RAPID_ROCK
TIO2	0.64		WT%	RAPID_ROCK
AL2O3	17.42		WT%	RAPID_ROCK
FE2O3	1.99		WT%	RAPID_ROCK
FEO	3.22		WT%	RAPID_ROCK
MNO	0.107		WT%	RAPID_ROCK
MGO	2.32		WT%	RAPID_ROCK
CAO	5.68		WT%	RAPID_ROCK
NA2O	3.68		WT%	RAPID_ROCK
K2O	1.58		WT%	RAPID_ROCK
P2O5	0.25		WT%	RAPID_ROCK

References

Bateman, Paul C; Dodge, Franklin C W; Bruggman, Peggy E (1984) Major oxide analyses, CIPW norms, modes, and bulk specific gravities of plutonic rocks from the Mariposa 1 degrees by 2 degrees sheet, central Sierra Nevada, California. Open-File Report - U. S. Geological Survey, Report: OF 84-0162, 59 pp., 1984