GEOCHIMICA ET COSMOCHIMICA ACTA 1996, V60, N22.

pp. 4295-4311
Stability of manganese(II) chloride complexes from 25 to 300[degrees]C
CH GAMMONS, TM SEWARD

pp. 4313-4319
Sedimentation rate as determined by 226Ra activity in marine barite
A PAYTAN, WS MOORE, M KASTNER

pp. 4321-4328
Bacterial mobilization of polonium
P LAROCK, J-H HYUN, S BOUTELLE, WC BURNETT, CD HULL

pp. 4329-4351
Major, trace element, and isotopic compositions of Vietnamese basalts:
Interaction of hydrous Em1-rich asthenosphere with thinned Eurasian
lithosphere
N HOANG, MFJ FLOWER, RW CARLSON

pp. 4353-4367
Diffusion in silicate melts: I. Self diffusion in CaO-Al203-SiO2 at
1500[degrees]C and 1 Gpa
Y LIANG, FM RICHTER, A DAVIS, EB WATSON

pp. 4369-4376
The occurrence of sulfur and phosphorus within bacterially derived
crystalline and pseudocrystalline octahedral gold formed in vitro
G SOUTHAM, TJ BEVERIDGE

pp. 4377-4383
Synthesis, characterization, and enthalpy of mixing of the (Fe,Mg)CO3
solid solution
L CHAI, A NAVROTSKY

pp. 4385-4395
Competitive surface complexation of o-phthalate and phosphate on
geothite (alpha-FeOOH) particles
N NILSSON, P PERSSON, L LOVGREN, S SJOBERG

pp. 4397-4402
The abundance of Fe(CO3)OH in geothite and a possible constraint on
minimum atmospheric oxygen partial pressures in the Phanerozoic
CJ YAPP

pp. 4403-4416
Hydroxamate ligands, surface chemistry, and the mechanism of
ligand-promoted dissolution of goethite [alpha-FeOOH(s)]
BA HOLMEN, WH CASEY

pp. 4417-4433
Paleotransport of lanthanides and strontium recorded in calcite
compositions from tuffs at Yucca Mountain, Nevada, USA
DT VANIMAN, SJ CHIPERA

pp. 4435-4445
Intracrystalline rare earth element distributions in apatite: Surface
structural influences on incorporation during growth
J RAKOVAN, RJ REEDER

pp. 4447-4465
Finite time thermodynamics and the quasi-stability of closed-systems
of natural hydrocarbon mixtures
H PLANCHE

pp. 4467-4496
Diagenetic and catagenetic products of isorenieratene: Molecular
indicators for photic zone anoxia
MP KOOPMANS, J KOSTER, HME VAN KAAM-PETERS, F KENIG, S SCHOUTEN, WA
HARTGERS, JW DE LEEUW, J SINNINGHE DAMSTE

pp. 4497-4508
Oxygen isotope evidence for extensive crustal contamination in the
Okenyenya igneous complex, Namibia
IA MARTINEZ, C HARRIS, AP LE ROEX, SC MILNER

pp. 4509-4523
Deep-dwelling planktonic foraminifera of the northeastern Pacific
Ocean reveal environmental control of oxygen and carbon isotopic
disequilibria
JD ORTIZ, AC MIX, W RUGH, JM WATKINS, RW COLLIER

pp. 4525-4535
Argon release systematics of hypogene and supergene alunite based on
progressive heating experiments from 100 to 1000[degrees]C
T ITAYA, A ARRIBAS JR, T OKADA

pp. 4537-4550
The neodymium isotopic compositions and rare earth patterns in highly
depleted ultramafic rocks
M SHARMA, GJ WASSERBURG

pp. 4551-4562
Melt and source mantle compositions in the late Archaean: A study of
strontium and neodymium isotope and trace elements in clinopyroxenes
from shoshonitic alkaline rocks
K HATTORI, SR HART, N SHIMIZU

pp. 4563-4569
QUE94201 shergottite: Crystallization of a Martian basaltic magma
HY MCSWEEN, DD EISENHOUR, LA TAYLOR, M WADHWA, G CROZAZ

pp. 4571-4591
Mineral chemistry and the petrogenesis of eucrites: I. Noncumulate
eucrites
W HSU, G CROZAZ

pp. 4593-4600
On the production by solar protons of 126Xe via Te (p,xn)-reactions
F BEGEMANN, KJ MATHEW