Tertiary Deposits Near Norseman, Western Australia. 
85 . 
4.— TERTIARY DEPOSITS NEAR NORSEMAN, 
WESTERN AUSTRALIA 
E. DE C. Clarke, C. Teichert and J. K. H. McWhae 
(Department of Geology, University of Westei’ii Australia). 
(With an Appendix by Irene Crespin.) 
Head : 9tli April, 194i). 
(MINTENTS. 
I. Introduction Page 
1. Locality ... ... ... ... ••. ••• Sa 
2. Topograxjhy ... ... ... ... ^6 
3. Previous work... ... ... ... ... ... ... ... 
4. Present investigations ... ... ... ... ... ... 88 
0. Acknowledgments ... ... ... ... 89 
IT. Situation of outcrop arfas of the Tertiary sediments 89 
III. Rock Types 
1. Spongolito ... ... 89 
2. I’nfossilileroiis dolomite ... ... ... ... ... ... 90 
3. Eossiliferons limestoiu' and dolomite ... 90 
IV. Description of outcrops 
1. Canipbell’s “ oj>alized .soa-beaeh ” ... ... ... ... ... 00 
2. Pr'ipess Royal ... ... ... .•• *.* ••• ••• ’d 
3. The Peninsula 93 
4. Lake Dimdas ... ... ... 97 
.5. North shore of Jjake (Jowaii ... ... ... ... ... 97 
V. Correlation and palaeogeography 98 
\T. Appendix — N otes on the Bryozoa from limestones at Lake Cowan 
and NorsemaiL Western Australia ... 99 
VH. References 
1. iXTRODUCTION. 
1. LOCALITY. 
Noi'seinan, one of the most southern gold-mining towns of Western 
Australia, is about 350 miles east of Perth and TOO miles north of the 
‘Southern port Ksjieranee. It lies on an auriferous greenstone licit on 
the east shore of Lake Cowan and is eonneeted hy rail with Llsperance 
mid with (.'oolgardie on the Trans. Australian Tjine. 
(iold was di-'('ov('i'ed in the Norsimian district in T892 and is still 
being produeeil : the output in 1943 was a!)Ont 40,000 oz. 
14159/2/4S~7.>0. 
