No. 684. Vol. LVIII of Whole Series. Price 2s. 6d. 
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The 
Geological Magazine 
“Monthly Fournal of Geology. 
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an Ae 
WITH WHICH IS INCORPORATED” wns sonal i ings : 
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THE GEOLOGST. eo. 
(® JUN 221921 *) 
EDITED BY 
HENRY WOODWARD, L RS y, 
AND {tional | Mus seu A 
R. H. RASTALL, Sc.D., M.Inst.M.M. zor ee 
ASSISTED BY 
Pror. J. W. GREGORY. D.Sc... F.BR.S8. Sir JETHRO J. H. VMALL, Sc.D., F.R.S. 
I. H. HATCH, Pu.D., M.INst.M.M, PROF, W. W. WATS, Sc.D., F.R.S. 
Pror. J. HE. MARR, Sc.D., F.B.S. HENRY WOODS, M.A., F.R.S. 
A. SMITH WOODWARD, L1L.D., F.R.S. 
JUNE, 1921. 
CONTENTS = 
Page | REVIEWS (continwed). Page 
' Founders of Seismology. II.— Igneous Rocks in 8. Australia...... 280 
Robert Mallet. By Dr.C. DAVISON 241 | opographic Maps............0..e0060. 281 
Oniginuis JRO. The Srimangal Earthquake......... 281 
é ae : Teadl Ores gare. Swi caes so ssch ace eeeae 282 
Pre - oa ace ue 5 ne a Geology of Mesopotamia ............ 282 
Sout ee ; y IIT and The Mineral Industry ............... 284 
Beas ) : ae ae oe ChenrtsimyCalitormianeeas sete | 284 
TLL RS ec) wares ccceccccesecsscece 49 F f at aoe leueeeea 985 
An Outline of Chinese Geology. Crarmiforan Canada ee 
Berd ne Sey WE cs esac scsceasioenes 259 seat 
The Lower Carboniferous Cherts of REPORTS AND PROCEEDINGS. 
Derbyshire. By H.C. SARGENT. Liverpool Geological Society ...... 286 
(With Plate IV and Text-fies.) 265 | Institution of Petroleum Technolo- 
tEVIEWS. [PISS fapeoaschansedspnoGeacer es ceoasOhoG 287 
Fash is a 
The Platinum Metals ............... 279 Geologists’ Association.............-.. Hae 
Wy SbaPNCtS cen sasnmecetheseneaes ts AUS) ||) BATCH INOUE soonasdodcdodsansosousbones 288 
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