852 HI. Y. Hind on the Laurentian and 
they are intersted and it is from these quartz beds that the 
greater part of the gold of Nova Scotia is obtained.* The total 
thickness of the gold-bearing series, in cluding the corrugated 
me slates and the brilliant micaceous schists, is about 12,000 
6. The Cambrian or Huronian Series. 
In some parts of Nova Scotia the known gold-bearing rocks 
rest unconformably on a gneissoid series, which are well ex 
to view on the Halifax and Windsor Railway, between Stillwater 
and Mount Uniacke Station, near the village of Sherpas 
in Guysborough county. This ore i is R COmpOr ae 
of gneiss, interstratified with micaceo schists, oat con- 
glomerate, beds of true quartzite, wk foe The gneiss is 
sometimes xen yritic, and the upper beds are almost always 
olding pebbles and masses of schist, erie, an 
conglomerates, which are found in this series, f the 
pase strata are garnetiferous, as are also the micaceous pe 
etween Stillwater and Mount Uniacke stations, the ee 
strike of the Lower Silurian is N. 80° E., di N.Z the 
prevailing strike of the Huronian is §, 50° E. ee Nad track 
running for two or three miles on the strike of these rocks 
Near to their junction with the Huronian, fhe. Silurian schists 
are more altered than when remote, and h old numerous cry 
of andalusite. This series has been very nee denuded ; 
and in some places Silurian, Huronian and Laurentian are seen 
ia et juxtaposition. The thickness at Sherbrooke is about 
_s : 
supposed older strata and the gold-bearing series; also between 
the older strata and the Laurentian; and I have succeeded in 
ering in various S$: 
Ist. The unconformable contact of the Lower Silurian gold- 
several points of contact ais sisi at both both extremities 
; Huronian strata about four miles broad, overlying 
