Sample 6

NavDat sample number 18234 · PERIDOTITE

Sample

Sample ID	6
Rock name	PERIDOTITE
Rock type	PLUTONIC
Composition	ULTRAMAFIC
Material	IGNEOUS
Comment	large euhedral to anhedral forsteritic olivine, sometimes accompanied by large phlogopite phenocrysts and rarely monticellite phenocrysts with kalsilite inclusions; matrix of microphenocrysts of forsteritic olivine, monticellite, nepheline, rare sodalite, and smaller perovskite, Ti-magnetite, and apatite; interstitual, tabular, or poikilitic phlogopite, serpentine, and late-crystallizing primary or secondary calcite; secondary analcite, natrolite, pectolite, apophyllite and rare hydrated Ca-silicates

Age (Ma)	Error	Min	Max	Geologic age	Dated by
48		46	51

Item	Value	Unit	Method
SIO2	35.4	WT%	SP-PH
TIO2	2	WT%	SP-PH
AL2O3	3.1	WT%	SP-PH
FE2O3	4.3	WT%	SP-PH
FEO	6.2	WT%	SP-PH
MNO	0.22	WT%	SP-PH
MGO	23	WT%	SP-PH
CAO	15.8	WT%	SP-PH
NA2O	1.3	WT%	SP-PH
K2O	1.9	WT%	SP-PH
P2O5	0.66	WT%	SP-PH
H2O_PLUS	2.4	WT%	SP-PH
H2O_MINUS	0.24	WT%	SP-PH
TOTAL	99.7	WT%	SP-PH
CR	1140	PPM	NAA
CO	78.2	PPM	NAA
ZN	110	PPM	NAA
SC	22	PPM	NAA
CS	2.1	PPM	NAA
BA	1650	PPM	NAA
RB	81	PPM	NAA
SR	1000	PPM	NAA
ZR	90	PPM	NAA
HF	3	PPM	NAA
NB	187	PPM	NAA
TA	14.7	PPM	NAA
TH	30.1	PPM	NAA
LA	222	PPM	NAA
CE	396	PPM	NAA
ND	153	PPM	NAA
SM	22.9	PPM	NAA
EU	5.01	PPM	NAA
TB	1.67	PPM	NAA
YB	1	PPM	NAA
LU	0.19	PPM	NAA
CL	0.04	WT%	NAA
F	0.07	WT%	NAA