GEOROC Sample Information

Location
Latitude -37.83 | Longitude 77.55
AMSTERDAM-ST. PAUL / AMSTERDAM ISLAND
OCEAN ISLAND

Reference

ALLEGRE C.-J.,DUPRE B.

PB-SR ISOTOPE VARIATION IN INDIAN OCEAN BASALTS AND MIXING PHENOMENA

NATURE 303 [1983] 142-146

Sample Name: NA23

Sample Information

BASALT
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

PB206_PB20419.17 ± 0.012
PB207_PB20415.708 ± 0.014
PB208_PB20439.81 ± 0.03
SR87_SR860.70386 ± 0.00006


Reference

WEIS D.,GIRET A.,SCOATES J. S.,DOUCET S.,DEBAILLE V.

GEOCHEMICAL AND HF-PB-SR-ND ISOTOPIC CONSTRAINTS ON THE ORIGIN OF THE AMSTERDAM-ST. PAUL (INDIAN OCEAN) HOTSPOT BASALTS

EARTH PLANET. SCI. LETT. 218 [2004] 179-195

Sample Name: NA23

Sample Information

BASALT
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

HF176_HF1770.28313 ± 0.000005
ND143_ND1440.512831 ± 0.000009
PB206_PB20419.1324 ± 0.0053
PB207_PB20415.6208 ± 0.0039
PB208_PB20439.5262 ± 0.01
SR87_SR860.703856 ± 0.000007
AL2O314.72 WT%
CAO8.91 WT%
FE2O3T14.71 WT%
K2O0.84 WT%
LOI0.69 WT%
MGO4.6 WT%
MNO0.21 WT%
NA2O3.11 WT%
P2O50.39 WT%
SIO249.73 WT%
TIO22.64 WT%
CE41 PPM
LA17 PPM
BA259 PPM
CR19 PPM
GA21 PPM
NB35.1 PPM
NI15 PPM
PB2 PPM
RB14.3 PPM
SR263 PPM
TH3 PPM
V358 PPM
Y31.1 PPM
ZN122 PPM
ZR207 PPM