Sample 202301

NavDat sample number 36858 · MONZODIORITE

Sample

Sample ID	202301
Rock name	MONZODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.0244
Longitude	-110.261
Location	Big Timber Stock, Crazy Mountains
State / province	Montana

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
49.33		49.21	49.45

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	67.27		WT%	XRF
AL2O3	15.65		WT%	XRF
FE2O3	0.38		WT%	XRF
FEO	3.08		WT%	XRF
MGO	1.63		WT%	XRF
CAO	2.92		WT%	XRF
NA2O	4.57		WT%	XRF
K2O	3.56		WT%	XRF
TIO2	0.66		WT%	XRF
P2O5	0.22		WT%	XRF
MNO	0.06		WT%	XRF
RB	83		PPM	EDXRF
SR	701		PPM	EDXRF
Y	13		PPM	EDXRF
ZR	173		PPM	EDXRF
NB	23		PPM	EDXRF
BA	2065		PPM	EDXRF
TOTAL	100		WT%	XRF

References

du Bray, Edward A; Harlan, S S (1996) The Eocene Big Timber Stock, south-central Montana; development ofextensive compositional variation in an arc-related intrusion byside-wall crystallization and cumulate glomerocryst remixing. Geological Society of America Bulletin, vol.108, no.11, pp.1404-1424,Nov 1996 doi:10.1130/0016-7606(1996)108<1404:TEBTSS>2.3.CO;2