ILLUSTRATIONS.

PAGE.
IMiaionot aun Cm Suall ev syene date aie oe ol ae In pocket
Fig. 1. Topographic map of the Stanley area showing major faults, locations of main
aurierous quartz veins, and distribution of placer gold 2222 = 10
Fig. 2. Cariboo Rainbow Gold Mines, Ltd.—Surface and underground workings on
Reniineaveins ancduGalenacvielle = ser we et ee In pocket
Fig. 3. Cariboo Rainbow Gold Mines, Ltd.—Cohen Incline workings..________________- 48
Fig. 4. Surface and underground workings on Standard Location, Lucky Cap, and
SHC eR IO CHONG lant wrt ee ae ote ee en Cee a ee ee Facing 50
Fig. 5. Foster Ledge Gold Mines, Ltd., and Acme group—Sketch-map showing part
OfAClalmMs ANCdalOCamMonsOle Wa VlOUS. Ww Ol NG Cee ee ee 51
Fig. 6. Foster Ledge Gold Mines, Ltd.—Surface and underground workings at upper
(oly imemeee ea) vis Sr aes ieee oto, Bn Ot UO 2p 5 reg Re Orc etenie eam ae tee e cece am 52
Table I.—Relation of Gold and Silver Assays to Mineral Content of the Veins ________ 27
able We himenessrOr bode (GOldS\is2suet aie. Cee ee et ee 28
Table III. —Placer-gold Production of Lightning Creek Placer Claims to November,
WS eee «bs ee ea A ae a al tate ih ae aan a Ne a elk 338

Table IV.—Recorded Placer-gold Production of Lightning ‘(reek Section, 1874-1945 36
Table V.—Recorded Placer-gold Production of Slough Creek Section, 1874-1945. 37

fable Var hineness'or Placer'Golds’ === = Pon se ee 39
Table VII.—Tabulated Assays from Cariboo Rainbow Gold Mines, Limited... 46
Table VIII.—Tabulated Assays from Foster Ledge Gold Mines, Limited... 53
Table [X.—Tabulation of Assays from Stanley Area not mentioned elsewhere... 57
Plate I—

A. View down Lightning Creek with Stanley in the middle distance. Rock-piles

from theaVancouviershath flank the creek 90 61

B. Looking south-west across Lightning Creek to Butcher Bench where bedrock
is completely exposed by recent hydraulicking. Mouth of Amador
Creekeineextreme right foreoround=. <4 bs st es ee 61

Plate II—

A. View down upper Oregon Gulch.. Chisholm Creek valley in middle distance,
Eichtuine- Creek valley in tardistance 8 62

B. Interbedded light- and dark-grey quartzite, ae the squeezing and
UIC HMMS OU Ole DC Sie e entertains haere ion Sale el ere te ea ce 62

Plate IITI—

A. Axial plane cleavage developed in hard, coarse quartzite. Bedding, indi-
cated by fractures parallel to faint colour-banding on right-hand side,
dips steeply left and is flattening at top of picture; pick-handle lies in
Plane OL centhycnioit-dippime cleavage 2.05 2.) ee ee 63

B. Small drag-fold in clean light-grey quartzite on the west side of Devils Lake
Oe mF rsa eae dR ees ee eee ol «Pl eset eran eee” 63

Plate [V—

A. Drag-folding in argillite and black argillaceous quartzite on main road north

of Public Works camp _. ome ce Ege Saas aos ih Pee ce a 64

B. Drag-folding in grey nientanen on main road north of Public woe camp.
The pick rests on a curved surface that follows a bedding-plane. Note
vatniablespitchs or toldvaxcs- sets Ne See 8 FE ee the SA Ee 64