Vol. LVIII of Whole Series. Price 2s. 6d. 
The. 
F | OR 
:| Monthly Journal o& Geologie 
| WITH WHICH IS megfrotiaen aN 
q THE GEOLIO <! 
AND 
Ree AS WAI. SCaDe aver 
ASSISTED BY 
| PrRor. J. W. GREGORY. D.Sc.. F.B.S, Sin JHTHRO J. H. VWALL, Sce.D., F.R.S. 
| EF, A. HATCH, Pxu.D., M.INst.M.M. PrRor. W. W. WATTS, Se.D., .R.S. 
Pror. J. H. MARR, §c.D., F.R.S. HENRY WOODS, M.A., F.R.S. 
A. SMIVH WOODWARD, LL.D., F.R.S8. | 
APRIL, 1921. 
¥ 
= SS 
fe) CONTENTS -— | 
Page | ORIGINAL ARTICLES (continued). Page 
1 BIDE OR UA ANO DES! se seee se sateeceeesc: 145 | A Basic Dyke in Charnwood Forest. 
: By W. A. RICHARDSON. (With 
| ORIGINAL ARTICLES. SMextaigsali ie Mee ascn aise seruers 170 
On Cycles of Sedimentation in the The Contaminated Gabbro of 
Eocene. By L. DUDLEY STAMP. aster Saphook, Aberdeen. By 
(With 2 Text-figs.) (Continuwed.) 146 TEL ED MEUBIAUD ee etapa asencenieriaene 177 | 
An. Unconformity between the . REVIEWS. 
Millstone Grit and Carboniferous sce fe ae yl 
Limestone in Monmouthshire. ee ee a ee ouee ae 
By E. E. b. Dixon, (With e Coral Reef Problem ............ 
Plate II and 2 Text-figs.) CORRESPONDENCE. 
Correlation of the Meadfoot Beds Jrhverde Molt). Ceaenssiee meee eee 187 
and the Siegenian of the P. F. Kendall. (With a figure.)... 189 
Ardennes. By Dr. E. ASSEL- Seedy Slaamidy) cava suen cen assnemen Wass 191 
TBIORXCHEIS!, Apoosnnsdaesoooconsobudsanneaac Jala big Tse NRE | croecoesbnoanmandoosaase 192 
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