Geochemical Rock Database-Info

GEOROC Sample Information

Location
Latitude 17.403 | Longitude 145.863
IZU-BONIN-MARIANA ARC / MARIANA ARC - CENTRAL ISLAND PROVINCE / GUGUAN
N. GUGUAN, DREDGE 50
CONVERGENT MARGIN

Reference

STERN R. J.,VERVOORT J. D.,BLOOMER S. H.,LEYBOURNE M. I.,KOHUT E. J.,FOUCH M.

SUBDUCTION FACTORY PROCESSES BENEATH THE GUGUAN CROSS-CHAIN, MARIANA ARC: NO ROLE FOR SEDIMENTS, ARE SERPENTINITES IMPORTANT?

CONTRIB. MINERAL. PETROL. 151 [2006] 202-221

Sample Name: D50-2-1

Sample Information

BASALT
DREDGE

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

FO	80.02 MOL%
CAO	0.26 WT%
CR2O3	0 WT%
FEOT	18.08 WT%
MGO	40.62 WT%
MNO	0.29 WT%
NA2O	0 WT%
NIO	0.08 WT%
SIO2	40.51 WT%
TIO2	0 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

FO	75.83 MOL%
CAO	0.33 WT%
CR2O3	0.01 WT%
FEOT	21.39 WT%
MGO	37.66 WT%
MNO	0.39 WT%
NA2O	0.02 WT%
NIO	0.07 WT%
SIO2	39.85 WT%
TIO2	0.01 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	96.77 MOL%
AL2O3	35.53 WT%
CAO	19.75 WT%
FEO	0.52 WT%
K2O	0.01 WT%
MGO	0.06 WT%
NA2O	0.36 WT%
SIO2	43.03 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	92.25 MOL%
AL2O3	34.4 WT%
CAO	18.85 WT%
FEO	0.75 WT%
K2O	0.02 WT%
MGO	0.14 WT%
NA2O	0.88 WT%
SIO2	43.89 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	77.46 MOL%
AL2O3	31.24 WT%
CAO	15.79 WT%
FEO	1.14 WT%
K2O	0.07 WT%
MGO	0.24 WT%
NA2O	2.54 WT%
SIO2	48.27 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	90.15 MOL%
AL2O3	33.82 WT%
CAO	18.25 WT%
FEO	0.83 WT%
K2O	0.03 WT%
MGO	0.14 WT%
NA2O	1.1 WT%
SIO2	45.12 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	85.36 MOL%
AL2O3	33.27 WT%
CAO	17.33 WT%
FEO	0.8 WT%
K2O	0.03 WT%
MGO	0.18 WT%
NA2O	1.64 WT%
SIO2	46.65 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	77.75 MOL%
AL2O3	30.82 WT%
CAO	15.5 WT%
FEO	1.4 WT%
K2O	0.1 WT%
MGO	0.57 WT%
NA2O	2.45 WT%
SIO2	48.13 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	65.09 MOL%
AL2O3	27.62 WT%
CAO	12.96 WT%
FEO	2.14 WT%
K2O	0.18 WT%
MGO	0.45 WT%
NA2O	3.84 WT%
SIO2	51.18 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN	59.72 MOL%
AL2O3	26.69 WT%
CAO	11.23 WT%
FEO	2.05 WT%
K2O	0.35 WT%
MGO	0.2 WT%
NA2O	4.19 WT%
SIO2	53.3 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) SPINEL

AL2O3	3.08 WT%
CR2O3	0.04 WT%
FE2O3	9.87 WT%
FEO	76.1 WT%
MGO	0.49 WT%
MNO	0.39 WT%
SIO2	0.07 WT%
TIO2	10.8 WT%
VO2	1 WT%
ZNO	0.12 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) SPINEL

AL2O3	3.43 WT%
CR2O3	0 WT%
FE2O3	4.86 WT%
FEO	80.44 WT%
MGO	1.62 WT%
MNO	0.33 WT%
SIO2	0 WT%
TIO2	9.4 WT%
VO2	0.82 WT%
ZNO	0.11 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) SPINEL

AL2O3	3.76 WT%
CR2O3	0 WT%
FE2O3	10.7 WT%
FEO	75.41 WT%
MGO	1.53 WT%
MNO	0.39 WT%
SIO2	0.01 WT%
TIO2	8.26 WT%
VO2	0.82 WT%
ZNO	0.02 WT%

Reference

STERN R. J.,NAGAO K.,KAGAMI H.,ISHII T.,IKEDA Y.,BLOOMER S. H.,ARIMA M.,MATSUMOTO D.

CONTRIBUTIONS OF SLAB FLUID AND SEDIMENT MELT COMPONENTS TO MAGMATISM IN THE MARIANA ARC-TROUGH SYSTEM: EVIDENCE FROM GEOCHEMICAL COMPOSITIONS AND SR, ND, AND NOBLE GAS ISOTOPE SYSTEMATICS

THE ISLAND ARC 25 [2016] 253-273

Sample Name: D50-2-1

Sample Information

BASALT
DREDGE

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

ND143_ND144	0.513004 ± 0.000014
SR87_SR86	0.703776 ± 0.000013
AL2O3	18.26 WT%
CAO	13.94 WT%
FE2O3T	10.69 WT%
K2O	0.25 WT%
MGO	6.61 WT%
MNO	0.17 WT%
NA2O	1.56 WT%
P2O5	0.08 WT%
SIO2	47.14 WT%
TIO2	0.68 WT%
CE	5.28 PPM
DY	2.34 PPM
ER	1.59 PPM
EU	0.635 PPM
GD	1.84 PPM
HO	0.52 PPM
LA	2.34 PPM
LU	0.222 PPM
ND	4.34 PPM
PR	0.78 PPM
SM	1.5 PPM
TB	0.35 PPM
TM	0.237 PPM
YB	1.45 PPM
BA	75 PPM
CO	36 PPM
CR	100 PPM
CU	120 PPM
GA	17 PPM
GE	1.5 PPM
HF	0.7 PPM
NB	0.5 PPM
NI	40 PPM
RB	4 PPM
SR	293 PPM
TA	0.01 PPM
TH	0.2 PPM
U	0.32 PPM
V	344 PPM
Y	14.8 PPM
ZN	80 PPM
ZR	18 PPM

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

AR38_AR36	0.18952 ± 0.00068
AR40_AR36	301.9 ± 0.25
HE3_HE4	0.0000116 ± 0.0000014
HE4_NE20	197
AR36	0.000000000162 CCMSTP/G
AR40	0.0000000488 CCMSTP/G
HE3	3.65E-14 CCMSTP/G
HE4	0.00000000315 CCMSTP/G
KR84	0.00000000000414 CCMSTP/G
NE20	0.000000000016 CCMSTP/G
XE132	0.00000000000048 CCMSTP/G

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

AL2O3	0.04 WT%
CAO	0.28 WT%
CR2O3	0.01 WT%
FEOT	21.91 WT%
K2O	0.02 WT%
MGO	37.04 WT%
MNO	0.37 WT%
NA2O	0.02 WT%
NIO	0 WT%
P2O5	0.02 WT%
SIO2	37.48 WT%
TIO2	0.02 WT%
V2O3	0 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) OLIVINE

AL2O3	0.04 WT%
CAO	0.29 WT%
CR2O3	0.08 WT%
FEOT	22.64 WT%
K2O	0 WT%
MGO	37.35 WT%
MNO	0.49 WT%
NA2O	0.04 WT%
NIO	0.13 WT%
P2O5	0 WT%
SIO2	37.45 WT%
TIO2	0.01 WT%
V2O3	0.04 WT%