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Ministry of Energy Mines and Responsible for Core Review

092N Geological Legend

 

Mount Waddington

STRATIFIED ROCKS

CENOZOIC

QUATERNARY
     PLEISTOCENE AND RECENT

Q

Till, gravel, sand, and alluvium
TERTIARY
     UPPER MIOCENE, PLIOCENE, AND YOUNGER

uTV

Vesicular basalt and andesite flows, related breccla and tuff; gravel and sand; uTvb: volcanic breccia
MESOZOIC
CRETACEOUS
     UPPER CRETACEOUS
          CENOMANIAN AND (?) YOUNGER
          KINGSVALE GROUP

uKKV

Division B: Andesitic and basaltic breccia and tuff

uKKPW

Division A: Siltstone, greywacke, and conglomerate
     LOWER CRETACEOUS
          ALBIAN
IKJM JACKASS MOUNTAIN GROUP: Greywacke, slitstone, and conglomerate
IKTC TAYLOR CREEK GROUP: Shale, siltstone, greywacke, and pebble conglomerate
          HAUTERIVIAN AND YOUNGER
IKvb2 Reddish to purplish andesitic breccia and tuff
IKpw2 Siltstone, greywacke, conglomerate, breccia, quartz sandstone, and limestone
IKvb1 Andesitic and basaltic breccia and tuff; minor shale, greywacke, and conglomerate
IKpw1 Siltstone, greywacke, and conglomerate
         BERRIASIAN TO BARREMIAN

IKRM

RELAY MOUNTAIN GROUP: Arkose, conglomerate, greywacke, siltstone, coquinold limestone
JURASSIC AND CRETACEOUS
         OXFORDIAN TO BERRIASIAN

JKpw

Siltstone, greywacke, conglomerate, and arkose
JURASSIC
          HETTANGIAN (?), SINEMURIAN, BAJOCIAN, AND CALLOVIAN

ImJpw

Slitstone, shale, greywacke, grit, and conglomerate

mJV

Tuff and volcanic breccia; minor conglomerate and shale
TRIASSIC
     UPPER TRIASSIC
           UPPER NORIAN
uTrp Shale, siltstone, greywacke, conglomerate, volcanic breccia, and tuff, uTrcg: conglomerate, limestone, and greywacke
uTrls Limestone, shale, and greywacke
           NORIAN

uTrvw

Basalt, andesite, greywacke, siltstone, and conglomerate
CARNIAN (?) AND LOWER NORIAN

uTrps

Shale, sandstone, pebble conglomerate; minor shaly limestone
CARNIAN
uTrsp Limestone, shale, greywacke, tuff and volcanic breccia tone,
uTrvb Dark green andesitic breccla, tuff and flows; minor shale and limestone

PLUTONIC AND METAMORPHIC ROCKS

COAST PLUTONIC COMPLEX

MESOZOIC AND CENOZOIC

gng Granite and granodiorite
g Granodiorite
     gt: granodiorite and tonalite
     gap: aplitic granodiorite
t Tonalite
    tg: Tonalite and granodiorite
qd Quartz diorite
     qdd: quartz diorite and diorite
     qdt: quartz diroite and tonalite
     qm: quartz monzodiorite
     qmdap: aplitic quartz monzodiorite
     ekqd: Early Cretaceous quartz diorite, dated by K-Ar
d Diorite
     dqd: diorite and quartz diorite
     du: diorite and gabbro
xn Granitoid gneiss
     xns: siliceous granitoid gneiss
     xnd: dioritic granitoid gneiss and/or dioritc complex
     xnk: granitoid gneiss stockwork
nsc Gneiss and schist
     nsca: gneiss, schist and amphibolite
     nb: banded gneiss
     nk: stockwork gneiss
scn Schist and gneiss
     scqu: schist and quartzute
     scmv: schist and metavolcanic rock
sk Skarn
rp Rhyolite porphry
ms Pelitic metasediments
mv Metavolcanic rock
     mvsc: metavolcanic and schist
     am: amphibolite
Geological map and legend summarized mainly from:

Roddick, J.A and Tipper, H.W. (1985): Geology, Mount Waddington (92N) map area; Geological Survey of Canada, Open File 1163.

With modifications In the Chliko Lake area from:

McLaren, G.P. (1990): A Mineral Resource Assessment of the Chilko Lake Planning Area, B.C. Ministry of Energy, Mines and Petroleum Resources, Bulletin 81.

See  Mount Waddington (092N) Summary Sheet for an overviews of the map areas and additional regional references.

Positions of all geological contacts are approximate. In the case of an apparent disagreement between an occurrence’s geological location on the map and its stratigraphic setting given in the MINFILE documentation, the latter should be given