Q:\Whitehorse\Data\0201drawings\Mayo\W23101373NewNNDFNGovernmentHouseSitePlan\W23101373Fig.3b_R0.dwg[FIGURE3B]January14,2011-10:32:45am(BY:BUCHAN,CAMERON)
HYDROGEOLOGICALLOG
BOREHOLENO. NNDFN-IW1
PURPOSEOFHOLE:GeoexchangeSystemMainSupplyWell CASINGSTICKUP: 0.675maboveground
DRILLINGMETHOD:DualAirRotary DEPTHTOSTATIC: 42.885mbtoc
DRILLINGDATE:Sept.13-17,2010 DEPTHTOSCREEN(m): 99.4mbgs
SCREENINSTALLED:99.4m-107.3mbgs ELEVATION(TOC):528.68masl
CONTRACTOR:ImpactWellDrilling
WellInstallation
Lithology Comments
Summary
Depth(m)
LockingWellCap
0m
BentoniteSurfaceSeal
SAND-finetomedium,withsiltandtraceclay 0.0m-0.9m:SILT-withtracefineto
mediumsandandorganics
SAND&GRAVEL-mediumtocoarsesandandfinegravel
5m
6.4m
5.8m
0.9m-2.1m:SILT-withsomesandto
sandytraceclay
SAND-finegrainedwithtracecoarsesand
6.4m-7.6m:SILT-withsomecoarse
10m 10.7m
sandandfinegravel
SAND-finegrainedwithsomegravel,tracemediumsand
7.6m-8.5m:SAND&GRAVEL-fine
14.3m
sandwithsomemediumandcoarsesand
15m
SAND-finegrained,withsomesilt,nonetotracegravel
20m
25m
26.5m
-NoVisibleIceorIndicationsofExcess
Moisture(Permafrost)ThroughoutBorehole
SILT-withtracetosomeclay
30m
32.9m
CLAY-withsomesilt
35m
40m
StaticWaterLevel=42.210m-bgs
485.795m-asl(measuredOct.6,2010)
45m
203mm(8")ODStainlessSteel
50m
WellCasing
55m
60m
65m
70m
75.0m
75m
SILT-withtracetosomeclay,occasionalpebbles,water-bearing
80m
85m
Riser&K-Packer
90m
94.5m
JohnsonV-WireStainlessSteel
95m
96.3m
80Slot(0.080")Screen
98.5m
SAND&GRAVEL-finetocoarsesand,tracesilt,
94.5m-96.3m:SAND&GRAVEL-fine
water-bearing
98.7m
99.7m
tocoarsesand,traceclay,silty,
100m
SAND&GRAVEL-coarsesandwithtracesilt, water-bearing
99.4m Joint(100.9m-101.0m)
water-bearing
Joint(102.5m-102.6m)
Joint(104.1m-104.2m)
105m
Joint(105.7m-105.8m)
107.4m WellCap(107.3m-107.4m)
109.0m
109.0m
110m
ENDOFHOLE
EOH Caved(NativeAquifierMaterials)
115m
CLIENT
WELLFIELDDEVELOPMENT-NA-CHONYAKDUN
LEGEND
FIRSTNATIONGEOTHERMALSYSTEM-MAYO,YT
NA-CHONYAKDUNFIRSTNATION
WELLLOGFORNNDFNIW1
PROJECTNO. DWN CKD REV
W23101373 CB RMM 0
Figure3b
OFFICE DATE
EBA-WHSE December21,2010