NTS SHEETS 104B,C,F,G,J,K 1:500 000 NRCAN GRAVITY - FIRST VERTICAL DERIVATIVE OF THE GRAVITY BOUGUER ANOMALY QUEST-NORTHWEST PROJECT PART OF NTS SHEETS 103O,P; 104A,H,I,N,O,P

Disclaimer: While every effort has been taken to ensure the accuracy of the information in this map, 30' 133°W 30' 132°W 30' 131°W 30' 130°W 30' 129°W the data are provided on an 'as-is' basis, without any warranty, guarantee or representation of any kind, 550000 600000 650000 700000 750000 800000 850000 whether expressed or implied. It is the responsibility of the user to check the facts before entering any financial or other commitment based upon this information.

Tuya Lake

59°N 59°N Location Map 0 0

0 YUKON !(37 0 TERRITORY 5 5 1

R U . E S V r .A I e . R r v e i v R i

R BRITISH COLUMBIA Map Area

A

!P

Porter Landing

L

B U Cry Lake e

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g y R A u a 0 T T T ! 0 0 Stewart r E A 0 0 e 0 0 v 0 5 i 5 5 8 1 R Laketon

!P

!P

Tulsequah y a Dease Prince

l !P Callison Ranch ! s Lake George e

h

S

P a c 30' 30' i fi 0 c 0 O 0

0 c

0 e

5 a !(37 1 n !P Dease Lake Boulder ! Vancouver ERICA City ES OF AM !P UNITED STAT \ VICTORIA 0 0 0 0

0 Cariboo

5 Sheslay

1 !P Meadows !P National Topographic System Æ Golden Bear 104O 094M 104M 104N 104P Jennings Rabbit Skagway Atlin Mcdame River River !PHyland Ranch Saloon U !P 094L . 104L 104I 104K 104J Kechika Part of 104K Cry S Tulsequah Dease River Tulsequah Lake Lake . Hiusta

A Meadow 0 0

!P 0 0 094E 58°N !P 5 104G 104H 4 58°N 104F Days Telegraph Spatsizi Toodoggone 1

Sumdum River * !P Ranch Creek River * Tahltan

iver R 104C 104A 094D Part of 104B 104B S ine Bowser Mcconnell S Stik Iskut River Iskut Lake Creek River !P Telegraph Creek C

103P C 103O 093M

0 Iskut Nass Glenora Part of 103P 0 !P River Hazelton I 0 Nass River !P I 0 Eddontenajon 5 !P 4 1 K 103K l 103J a Dixon 093L p Prince 103I Entrance Smithers p Rupert Terrace a S n S

r Red Chris ve Ch Ri Æ Y utine Y R !P iv er H H 0 0

R 0 0

E 0 Legend V 4 I Kinaskan 1 P P R ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Mineral deposit (selected) Æ Lake

30' 30' ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! P Populated place (unclassified)

First vertical derivative of gravity bouguer anomaly contours

O

O

! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! E 1 mgal/km intervals

N I 0.2 mgal/km intervals ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !

K

I

T E

! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! E

0 S Road (unclassified) 0 0 0

! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 0 Schaft Creek Province of British Columbia border 4 1 Æ !(37

QUEST-Northwest airborne geophysical survey outline ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! G G

mgal/km

-3.6 -1.0 -0.5 -0.1 0.3 1.0 5.0 - -

T T 0 0

Galore Creek 0 0

Æ 5 3 1 S S E E 57°N 57°N

Bob Quinn Lake !P 0 0 W W 0 0 5 3 1 H H Fowler !P T T R R ISKUT Stikine 0 R 0 !P IV ER 0 Eskay 0 0 3

Æ Snip Creek 1 O Æ er O iv R

N

N

-

-

30' 30'

0

0 Æ

T 0 T

0 Sulphurets

0

3 Creek 1

k Bowser S

u S n U Lake

The geophysical data on this map is from Natural Resources Canada and has been cartographically E * prepared by Geoscience BC as part of a suite of maps for the QUEST-Northwest Project. E

Mineral deposit data MINFILE (2012): MINFILE B.C. mineral deposits database; B.C. Ministry of Energy and Mines, U URL [January 2012] U

Granduc 0 0

!P 0 Gravity data 0 5

2 Natural Resources Canada (2012): Canadian Geodetic Information System; Gravity & Geodetic Æ Granduc 1 Networks Section, Geodetic Survey Division, Geomatics Canada, Earth Sciences Sector, Natural Q

Resources Canada, Government of Canada, URL Q [January 2012]

Topographic data - Massey, N.W.D, MacIntyre, D.G., Desjardins, P.J. and Cooney, R.T. (2005): Digital Geology Map - 37A of British Columbia: Whole Province; B.C. Ministry of Energy and Mines, Geofile 2005-1, URL

!( < http://www.empr.gov.bc.ca/Mining/Geoscience/PublicationsCatalogue/GeoFiles/Pages/2005 -1.aspx > [November 2007] Premier Meziadin

0 !PÆ Lake 0 Premier Acknowledgments 0 0 C C 56°N 5 Image processing by Peter Kowalczyk, Geoscience BC

2 56°N 1 Cartography by Fion Ma, Geoscience BC Geoscience BC is funded through grants from the Provincial Government of British Columbia. B B !P !(37

Stewart

N A S S

E E

0 R 0

0 Geoscience BC is an industry-led, industry-focused, not for profit I C 0 V C 0 E society that works to attract mineral and oil and gas investment to 2 R 1 British Columbia through collection and marketing of geoscience data www.geosciencebc.com N MAP 2012-QNW-1-7 N NRCAN GRAVITY - FIRST VERTICAL DERIVATIVE OF E THE GRAVITY BOUGUER ANOMALY E I I 0 0 0 0

0 QUEST-NORTHWEST PROJECT 2 1 1:250 000 NTS SHEETS 104B,C,F,G,J,K C PART OF 1:250 000 NTS SHEETS 103O,P; 104A,H,I,N,O,P C 30' 30' Alice Arm !P 1 : 500,000 S Kitsault !P S 0 5 10 15 20 25 50 km

!P Anyox Albers Projection, Central Meridian 126° W, Latitude of origin 45° N, First standard parallel 50° N, O Second standard parallel 58.5° N, False easting 1,000,000; North American Datum 1983 O

0 Mean magnetic declination 2012, 20°45'E, decreasing 18.3' annually. Readings vary from 0

0 19°57'E in the southeast corner to 21°21'E in the northwest corner of the map. 0 5 E E 1 1 January 2012 D R A F T G G

550000 600000 650000 1150000 700000 750000 800000 !P New 30' 133°W 30' 132°W 30' 131°W 30' 130°W 30' 129°W Aiyansh

Kitwanga !P

!P Woodcock

Greenville !P !P Cedarvale