MESOZOIC (?) AND PALAEOZOIC 13015" 59°30" LEGEND MODERN RECENT AND PLEISTOCENE Recent alluvium and glacial drift PLEISTOCENE TUYA FORMATION: basalt, tuff, breccia, sandstone, conglomerate CENOZOIC ( CRETACEO US UPPER CRETACEOUS (?) eS BEADY FORMATION: conglomerate CRETACEOUS AND, OR, JURASSIC 59°00 PRE-UPPER CRETACEOUS (?) CASSIAR BATHOLITHIC ROCKS; granite, J granodiorite , diorite, gabbro . JURASSIC (?) Serpentine, peridotite, altered basic rocks MCLEOD SERIES MESOZOIC Andesite, augite porphyrite, tuff, agglomerate, slate, quartzite U TRIASSIC (?), PERMIAN AND PRE-PERMIAN — ___. DEASE SERIES Quartzite, limestone, argillite, schist Geological boundary (. approximate, assumed). ...--~~...." Bedding (vertical, inclined ).......00. 0 cece cece eee XA 45° CEISN Als Sic Ati teh ABBA GG eT SEE tay PSE OO EE a as . Frooad not well travelled... ..............0....0.... ——— Rassableypack—train=TrOoucesiv es fn i ee Tipe 1 Seen eens eR OPN ay MEAT Ce Re Contours (interval 500 feet).....................—==5000—== Contours (approximate) ...... 6.6... eee eee =sooo= (30°00 SOURCES OF INFORMATION Surveyed and reproduced by the Bureau of Geology and Topography. Geology by F:A.Kerr, 1925 and G. Hanson and D.A.McNaughton, 1935. TRUE NORTH SCALE,1 INCH TO 100 MILES 58°00’ 130715 130°00" CANADA DEPARTMENT OF MINES AND RESOURCES HON.T.A.CRERAR, MINISTER; CHARLES CAMSELL,DEPUTY MINISTER MINES AND GEOLOGY BRANCH JOHN McLEISH, DIRECTOR BUREAU OF GEOLOGY AND TOPOGRAPHY F.C.C.LYNCH, CHIEF ISSUED 1938 45 30° > Sth oe > 45° 30° MAP 38IA EAGLE-McDAME AREA CASSIARSDISIERICi= BRITISH COLUMBIA Scale, 253440 or | Inch to 4 Miles Miles 2} 4 Kilometres 5 8 12 h __ 10 15 129° 00 59°30 45 59°00" 30° 58 00° 129° 00