Numbers l/2 BARTH: Abundance chemical cycles . .
TOM.
F. W.
of the elements, . . .
area1 averages . . .
and geo. . .
9
of some borosilicate . . . .
61
J. F. EVERNDEN, G. H. CURTIS, J. OBRADOVITCHand R. KISTLER: On the evaluation of glauconite and illite for dating sedimentary rocks by the potassium-argon method . . . . . .
78
R. R. BROOKS and L. H. AHRENS: Some observations an the distribution of thallium, cadmium and bismuth in silicate rocks and the significance of covalency on their degree ofassociation with other elements . . .
100
M. H. CARR and K. K. TUREKIAX The geochemistry W. J. KNAPP and H. FLOOD: Activities . , . . melts
.
1
of cobalt
and structure . . .
.
116
H. W. FAIRBAIRN, P. M. HURLEY and W. H. PIXSON: The relation of discordant Rb-Sr mineral and whole rock ages in an igneous rock to its time of crystallization and to the time of subsequent Srs7/Srss metamorphism .
135
D. M, SHAW: Element
Geochemical
distribution
laws in geochemistry
.
,
.
Notes
R. R. BROOMS and L. H. AKRENS: The determination of indium thallium in Gl, W-l and other silicat’e rocks by a new technique
and .
146
C. C. MCMULLEN, C. B. CRAGGand H. G. THODE: Absolute ratio of B1l/B1O in Searles Lake borax . . . . . . . . 147 Letter to the Editors E-AX ZEN: Partial Scademy
.
molar volumes of some salts in aqueous solutions
151
of Sciences of the U.S.S.R.:
Abstracts from proceedings petrography, mineralogy
of the Institute for the geology of ore deposits, and geochemistry . . . . .
152
.
.
154
of the . .
155
T. C. HOERINCZand P. L. PARKER: The geochemistry of the stable isotope of chlorine . . , . . . . , . . . .
186
E. R. DUFRESXE and E. A;~DERS: The record in the meteorites--V. thermometer mineral in the Mighei carbonaceous chondrite . .
200
Errata
.
,
.
,
.
.
.
.
.
Numbers 3/4 BARTHOLOMEWNARY and GEORGE C. GAGNON: The geochemistry Athabasca petroleum deposit. I. . . . . . .
A
J. D~CHESNE, J. DEPIREUX and J. M. VAN DER KAA: Origin of free radicals in carbonaceous rocks . . . . . . . . .
809
MASATAKEHONUA andJABIESR. ARNOLD: Radioactive
cosmic rays in the Aroosiron meteorite
.
S. &IATTHES:Ergebnisse zur Granatsynthese
lichen Granatbildung
species produced by
.
.
.
219
.
und ihre Beziehungen zur natiir-
innerhalb der Pyralspit-Gruppe
.
233
C. H. OPPENHEIXER: Note on the formation of spherical aragonitic bodies in the presence of bact’eria from the Bahama Bank . . . .
295
HIROSHI H~XAGUCHI, ROK~RO KI!ROL)A! KENJI TOM~RA, Masu&n OSAWS) KENJ~ WATANABE, NAOKI ONU~IA, TWTOMI; YASUNAGA, KYOICHI HOSOHARAand TAUASHI ENDO: Values for t’race elements in G-l and W-1 with nentron activation analysis . . . . .
296
Geochemical
.
.
.
Notes:
Book Reviews
.
.
.
Papers to be published in future issues
.
.
.
.
.
.
.
.
AUTHOR INDEXTO VOLW AHRENS, L. H. ANDERS E. ARNOLD J. R. BARTH T. F. VI’. BROOKS R. R’. CARR M. H. CRAW C. B. CURTIS G. H. DEPIREUX J. DUCHEYNEJ.
100, 145 200 219 1 100, 145 9 147 78 209 209
DTJFRESXE E. R.
200
Eb-DO T.
296
EVERNDEX J. F. F$IRBAIRN H. Iv, FLOOD H. GAGNON G. C.
78 135 61 155
HAMAGUCHI H.
296
HOSOH.~RA K.
296
HOERING T. C.
186
HOXDA M.
219
HL.KLEY P. M.
135
.
.
300
.
402
23
K.~A J. M. FAN DER KISTLER R. KNAPP W. J. Ku~ona R. MATTHESS. MCMULLENC. C. N~GY B. OBRADOVITCHJ. ONUMA N. OPPENHEIMERC. H. OSAWA M. PaRXER P. L. PINSON w. H. SHAW D. M. THODE H. G. TOWJRA K. TUXWIAN K. K. WATA~TABEK. YASUNAGAT. ZEN E-AN
.
209 78 61 296 233 147 155 78 296 295 296 186 135 116 147 296 9 496 “96 151