Sample MLc-30

NavDat sample number 32550 · TONALITE

Sample

Sample ID	MLc-30
Rock name	TONALITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	37.0267
Longitude	-119.675
Location	Unassigned-near Fine Gold
State / province	California
Pluton	Tonalite of Millerton Lake

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
134		120.6	147.4

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	65		WT%	RAPID_ROCK
TIO2	0.41		WT%	RAPID_ROCK
AL2O3	16.6		WT%	RAPID_ROCK
FE2O3	0.76		WT%	RAPID_ROCK
FEO	2.8		WT%	RAPID_ROCK
MNO	0.05		WT%	RAPID_ROCK
MGO	2.5		WT%	RAPID_ROCK
CAO	5.2		WT%	RAPID_ROCK
NA2O	3.1		WT%	RAPID_ROCK
K2O	1.3		WT%	RAPID_ROCK
P2O5	0.12		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