MW15-04T / BH04-T / CFR-0990
(Page 1 of 2)
Drilling Started: May 12,2015 Drilling Method: Casing Advance & RC
Install Completed: May 14,2015 Drilling Company: Northspan
Drilling Diameter(s): 6.0" & 4.5" Supervised By: JH/AS/CS/LF/JY (Lorax)
Drilled Depth: 53.4 m along hole Logged By: Kaminak
Coffee Creek Gold
Checked By: LF
Project #: A362-4
Casing Depth: 9.8 m AH Easting: 584,027 m
Hole Dip: 80° Northing: 6,976,568 m
Elevation: 670.91
Survey Type: RTK GPS
LITHOLOGY
Elev. 
pH
EC
(masl)
(uS/cm)
Depth (m)
Airlift Yield
(USGPM)
Packer Test
  Steel Enclosure 
  Housing DataLogger
0
OVERBURDEN
670
Thermistor (1.73 m AH)
MIXED FELSIC GNEISS
Fresh, minor mafic component. Weak patchy sil, weak 
6" Welded Surface Casing
5
muscovite along chip fabric. 0.1% fc lim, 0.1% diss 
(0-9.8m)
brassy cubic pyrite.
665
10
Cement grout
660
Thermistor (14.03 m AH)
15
655
1" Sch. 80 PVC Tremmie
20
650
25
645
Thermistor (26.53 m AH)
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MW15-04T / BH04-T / CFR-0990
(Page 2 of 2)
Drilling Started: May 12,2015 Drilling Method: Casing Advance & RC
Install Completed: May 14,2015 Drilling Company: Northspan
Drilling Diameter(s): 6.0" & 4.5" Supervised By: JH/AS/CS/LF/JY (Lorax)
Drilled Depth: 53.4 m along hole Logged By: Kaminak
Coffee Creek Gold
Checked By: LF
Project #: A362-4
Casing Depth: 9.8 m AH Easting: 584,027 m
Hole Dip: 80° Northing: 6,976,568 m
Elevation: 670.91
Survey Type: RTK GPS
LITHOLOGY
Elev. 
pH
EC
(masl)
(uS/cm)
Depth (m)
Airlift Yield
(USGPM)
Packer Test
30
640
*Damp patch at 32 m., damp again at 34.3m, 
wet at 35.1 m.
35
635
MIXED FELSIC GNEISS
Cement grout
Fresh, with stronger muscovite along chip fabric, weak 
fc clay,0.1% fc lim.
n/a n/a 1-2
Thermistor (38.73 m AH)
VWP 1 (39.4 m AH)
*Soft patch at 39.2 m, 40.8 m.
40
630
n/a n/a 9
FELSIC GNEISS
1" Sch. 80 PVC Tremmie
Weak zone in felsic gneiss. Strong patchy sil and weak 
fc clay. 1% fc lim.
n/a n/a 10
*Cuttings size suggests fracturing (43.5 m), very soft 
n/a n/a
45
drilling 45.1-45.7 m.
625
n/a n/a 21
*Formation grabby on rods at 47.2 m (fractured). Softer 
drilling 47.35-48.2 m, becoming hard although still 
fractured. Driller reports layers of more fractured rock 
(49.8m).
50
n/a n/a 27
*Return water is very dark orange 50.1 m and alternates 
620
between dark orange and very light until end of hole.
Thermistor (51.13 m AH)
n/a n/a
VWP 2 (52.4 m AH)
110-175 shut-in 140-175' (failed) 130-175' (failed)
*Hole stability issues (caving and redrilling) at 52.7 m.
n/a n/a 30
End of hole at 53.3 m (175 ft) along hole.
RST Model DT2040 Multichannel Datalogger S/N: 2030
55
Thermistor string   S/N: TS3970
615 VWP 1, 1MPa (39.4m) S/N: 32593; VWP 2, 2MPa (52.4m) 
S/N: 32596
*Comment from supervising hydrogeologist; geology 
logged by Kaminak geologists
Datum: UTM NAD83 Zone 7
n/a: not available
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