GEOROC Sample Information

Location
Latitude 12.5 | Longitude -86.7
CENTRAL AMERICAN VOLCANIC ARC / CENTRAL AMERICAN VOLCANIC ARC-NORTHWESTERN SEGMENT / NICARAGUA / CERRO NEGRO
CONVERGENT MARGIN

Reference

REAGAN M. K.,MAYFIELD D. G.,THOMAS R. B.,HIRSCHMAN M. M.,CHENG HAI

(231PA/235U)-(230TH/238U) OF YOUNG MAFIC VOLCANIC ROCKS FROM NICARAGUA AND COSTA RICA AND THE INFLUENCE OF FLUX MELTING ON U-SERIES SYSTEMATICS OF ARC LAVAS

GEOCHIM. COSMOCHIM. ACTA 66 [2002] 4287-4309

Sample Name: CN-92-2

Sample Information

BASALT
OUTCROP

Sample Age Information

1992 eruption

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O320.48 WT%
CAO11.27 WT%
FE2O3T10.88 WT%
K2O0.49 WT%
MGO3.92 WT%
MNO0.19 WT%
NA2O2.27 WT%
P2O50.13 WT%
SIO249.62 WT%
TIO20.76 WT%
CE7.9 PPM
DY2.65 PPM
ER1.56 PPM
EU0.8 PPM
GD2.53 PPM
HO0.57 PPM
LA3.4 PPM
LU0.251 PPM
ND6.55 PPM
PR1.31 PPM
SM1.96 PPM
TB0.45 PPM
YB1.58 PPM
BA392 PPM
CR26 PPM
CS0.376 PPM
CU166 PPM
HF1.11 PPM
NB1.32 PPM
NI20 PPM
PA157 ± 3 PPT
PB1.83 PPM
RB7.64 PPM
SC29.6 PPM
SR493 PPM
TA0.084 PPM
TH0.38 PPM
TH2320.37 ± 0.005 PPM
U0.31 PPM
U2380.3242 ± 0.004 PPM
V295 PPM
Y15.9 PPM
ZR39 PPM
PA231_U235_ACT1.48 ± 0.03
TH230_TH232_ACT2.27 ± 0.01
TH230_U238_ACT0.843 ± 0.011