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Geological Fieldwork 1979 a Summary of Field Activities; of the Geological Division, Mineral Resources Branch Paper 1980.11

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Geological Fieldwork 1979 a Summary of Field Activities; of the Geological Division, Mineral Resources Branch Paper 1980.11 Geological Fieldwork 1979 a summary of field activities; of the geological division, mineral resources branch Paper 1980.11 Province of British Columbia Ministry of Energy, Minesand Petroleum Resources ISSN 0381-243X Victoria British Columbia Canada January 1980 FOREWORD Geological Fieldwork, 1979 (Paper 1980.1) marks the sixth year of this annual publicationwhich is intended to acquaint the interested publicwith the preliminary results offieldwork of the Geological Division as soon as possible after completion. Most reports in this publication were writtan without benefit of extensive laboratory or office studies and to speed publication; most of the figures have been draughted by the authors. In order to make results of programs morereadily available, the Geological Divisionwill continue the preliminary map series and will place more emphasis on publication of a Paper series, which will be iswed on completion of individual programs. The three major sections makingup Geological Fieldwork, 1979 are similar to previous years. Other Investigations section includes mainly reports by graduate students and professors of theUniversity of British Columbia. These reports deal with studies relating to ongoing Geological Divi!;ion programs and were funded, in part, by the Division. Figure 1 (page following) shows the geographic distribution of reports contained in this publication ard is keyed by report number to the Table of Contents. The cover photograph depicts stream sediment sampling in the Nass River area during the 1978 Accelerated Geochemical Survey. Technical editingof this publication was done by N. C. Carter and productionediting and layout by Rosalyn J. Moirwith the assistance of Geological Divisiondraughting office under ihe supervisiorl of J. Armitage. A. Sutherland Brojvn, Chief Geologist, Gt?ological Division, Mineral IResources Brarch. 3 4 TABLE OF CONTENTS PROJECT GEOLOGY METALLICINVESTIGATIONS SOUTHEASTBRITISH COLUMBIA 1 Church,N.: B. A Survey of Cenozoic MagnetostratigraphySouth-Centralin British Columbia . , . 9 2 AnomalousUranium Summerlandthe in Caldera . 'I 1 3 H0y.T.: PurcellProject . 'I 6 4 Geology of the BewsCreek Area, Southwest Margin of Frenchman CapGneiss Dome . , , , , , , , , . 'I 7 5 CK Prospect, Shuswap MetamorphicComplex 23 6 Preto, V. A., McLaren, G.P., and Schiarizza. P.A,: Barriere Lakes -Adam Plateau Area . , . , . 28 7 McMillan, W. J.: CC Prospect, Chu Chua Mountain . , . 37 SOUTHWEST BRITISHCOLUMBIA 8 Eartwood, G.E.P.: Sicker Project - Mount Richards Area , . , . , . , , 49 9 Church, B.N.: Explorationfor Gold in the Black Dome Mountain Area . t12 NORTHEASTBRITISH COLUMBIA 10 Maclntyre, D. G.: Driftpile Creek - Akie River Project . , . , . 55 11 CirqueBarite-Zinc-Lead-Silver Deposit . e19 NORTHWEST BRITISHCOLUMBIA 12 Christopher, P. A,: Mount Leonard Boss -Surprise Lake Batholith , , , , . , . , 13 Panteleyev, A,:Cassiar Map-Area . 14 Blue River Geochemical Anomalies 5 TABLE OF CONTENTS - (Continued) COAL INVESTIGATIONS 15 Pearron, David E. and Grieve, D.A.: ElkValley Coalfield ................................ 91 16 Church, B. N.: Hat Creek Bocanne-Buchite ........................... 97 17 Gilchrist, R. D.: Wolverine-Hasler Map-Area .......................... 101 18 Karst, R. H. and White, G. V.: CoalRank Distributionwithin theBluesky-Gething Stratigraphic Horizon of Northeastern British Columbia. ................. 103 STRUCTURALMATERIAL INVESTIGATION 19 Hora, 2. D. and Sharman, K. J.: Texada Island Limestone 109 APPLIEDGEOLOGY MINERAL PROPERTY EXAMINATIONS SOUTHEAST BRITISHCOLUMBIA 20 Addie, G. G.: DEB(SD 18) .................................... 113 21 Grieve, D. A,: Base MetalDeposits in theLibby Pondage Reserve Area ......... 115 CENTRALBRITISH COLUMBIA 22 White. G.P.E.: F&S .......................................... 118 23 CarbonatitePotential Localities. ........................ 118 24 Klein,H.: G. Mosquito Creek ................................... 120 WEST-CENTRAL AND NORTHWEST BRITISHCOLUMBIA 25 Schroeter, T. CapooseG.: Lake .................................... 123 26 Sam Goosly ...................................... 123 6 TABLE OF CONTENTS - (Continued) Fage WEST-CENTRALAND NORTHWEST BRITISH COLUMBIA - /Continued) 27 LuckyGold ...................................... 125 28 Boya .......................................... 126 29 Star9 .......................................... 127 30 Surprise Creek .................................... 127 31 Table Mountain ................................... 128 32 Mount Reed ..................................... 129 OTHERINVESTIGATIONS 33 Sinclair,A. J. and Fletcher, W. K.: Evaluation Procedure for Geochemical Data, Uranium Reconnais- sance Program .................................... 131 34 Sinclair, A,, Miller, J.H.L., and Carter, N. C.: Surface Lithogeochemistry, Northair Mine 143 35 Greenwood, H. J., Ross,J. V., Klepacki, D., and Getsinger. J.: Cariboo Mountains Project ............................ 151 36 Wong.R. H. and Godwin, C. I.: K/Ar Age Determinations, Wrede Creek Zoned Ultramafic Complex . 157 37 Champigny, N. and Sinclair. A. J.: Progress Report on the Geology of the Specogna (Babel Gold De- posit .......................................... 159 38 Godwin. C. I., Sinclair, A. J., and Ryan, 6. D.: Preliminary Interpretation of Lead Isotopes in Galena-Lead from British Columbia Mineral Deposits ...................... 171 39 Read, P. B. and Thompson, R. I.: Bulletin 60 - Geology of the Alkolkolex River Area, An .Addendum 183 Carter, N. C. and Kalnins, T. E.: Regional Geochemical Survey ... 1139 Pliocene basalt (2.8k1.5 Ma") exposed immediately northwest of Hydraulic Lake southeast of Kelowna. It is interesting to note, however, that similar basalt exposed at Swalwell Lake north of Kelowna and in road cuts east of Hydraulic Lake yield reverse or transitional polarities. Two relatively recent Valley baraltr included inthe current study are the Quilchena basalt (0.5 Ma') exposed south of the west end of Nicola Lake and the Lambly Creek basalt (0.76k0.11 Ma) found north of Westbank near Kelowna. In keeping with the known recent magnetostratigraphic record, the Quilchena basalt exhibits normal polarity and is assigned to the Brunes normal epoch. The Lambly Creek basalt, on the other hand, is anomalous having transitional or negative polarity and apparently belongs to the Matuyama reversed epoch. MAGNETICPOLARITY OF SOMECENOZOIC LAVAS FROMSOUTH-CENTRAL BRITISH COLUMBIA Location unit Polarity Latitude Longitude Latitude Polarity unit Quilchena basalt . , . , . normal 50" 08.2'120" 41 3' Lambly Creek basalt . reVerSal ? 119" 57' 49' 33' Hydraulic Lake basalt . normal 49' 49.2'119"13' Hydraulic Lake basalt . normal 48.8'49' 119" 12.3' Plateau basaltleast of HydraulicLake) . transitional ? 49" 47.2' 119'03.7' Plateau basaltleast of HydraulicLake) , . transitional ? 49' 47.0'119" 04.5' Plateau basalt(east of HydraulicLake) . transitional ? 49' 45.8' 119"07.2' Plateau basalt (east of HydraulicLake) . WVWSa 499119" 44.8' 08' Plateau basalt feast of Hydraulic Lake) . WWrSal 07.1'119" 43.9' 49" Swalvvell Lake basalt . WVWSal 50'03.5' 119"14.7' CarrotMountain basalt . normal 49- 55.5' 9"11 39' Hat Creek basalt . normal 50" 42'121" 35' Marama dacite . normal 49" 35' 119" 4w Marron Formation Park Rill member . , , . normal 49' 19.2'119"41.2' NimpitLake member . normal 49O 21.0'119"42.3' Nimpit Lake member . , . normal 49-119" 20.8' 42.6 Kearns Creek member . normal 43.8'490119" 20.5' Kearns Creek member . , normal 22.4'49'119" 45.1' KitleyLake member . normal 20.3'49'119" 44.8' Yellow Lake member . , . , . normal 20.3'49'119" 44.9' Yellow Lake member . , . normal 49"20.2'119" 45.9' Yellow Lake member . "Orma1 49"22.2' 119" 46.7' Yellow Lake member . normal 47.2'119" 14.8' 49" Yellow Lake member . , . normal 22.3'49' 119" 38.9' REFERENCES Church, B. N. (1973): Geology of the White Lake Basin, 6.C.Ministry of Energy, Mines & Per. Res., Bull. 61, 120 PP. ._....____(19751: Geology of the Hat Creek Coal Basin, B.C. Minisrry of Energy, Mines & Pet Res., Geology in B.C.. pp. G99-Gl18. ......_...(1979): Geology of the Pentinon Tertiary Outlier, B.C. Minisrry of Energy, Mines & Pet. Res., ?re. liminary Map 35. Lambert, M. B. (1963): The Valley Basalts in Quilchena CreekArea, British Columbia,unpublished MSc. thesis, University of British Columbia, 40 PP. Little, M. 8. (1957): Kettle River (East Half), British Columbia, Gee/. Surv., Canada, Map 6-1957. ..___..___(1961): Kettle River (West Half), British Columbia,Geo/. Surv., Canada, Map 15-1961. Tarling, D. H. and Mitchell. J. G. (1976): Revised Cenozoic PolarityTime Scale, Geol. SOC. Amer., Geo- logy, Vol. 4, No. 3, pp. 133.136. 10 'Ages for the Hydraulic Lake and Quilchena baraltr were Provided by P. A. Christopher and W. J. McMillan, respectively. ANOMALOUSURANIUM IN THESUMMERLAND CALDERA (82E/12) By 6. N. Church INTRODUCTION Anomalous uranium values in streams in the southern part of the Okanagan Valley were detected by the 1976 FederaltProvincial Uranium Reconnaissance Program and delineated further du.ingthe course of exploration by privateindividuals and mining companies, The principal zone ofuranium concentralion, as shown on Figure 6.4a of the Ministry's recent Brief to the Uranium Commission, is ,311 the west side of the Okanagan Valleybetween Summerland and Oliver. Somevery high values inthe range 2.3 to 17.5 ppm* uranium were previously reported in pondwaters from this area (Geological Fieldvvork, 1977, p. 10). In the light of these discoveries the Ministry has initiated a water monitoring program f(~cus in
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