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ATTACHMENT B: GEOPHYSICAL LOGS FROM BOREHOLES DD-BK AND DD2-BK
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ATTACHMENT B: GEOPHYSICAL LOGS FROM BOREHOLES DD-BK AND DD2 … · Homestake Mining Company of CA - Presentation - Evaluation of Water Quality in Regard to Site Background Standards

Aug 11, 2020

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Page 1: ATTACHMENT B: GEOPHYSICAL LOGS FROM BOREHOLES DD-BK AND DD2 … · Homestake Mining Company of CA - Presentation - Evaluation of Water Quality in Regard to Site Background Standards

ATTACHMENT B:GEOPHYSICAL LOGS FROM BOREHOLES DD-BK AND DD2-BK

Page 2: ATTACHMENT B: GEOPHYSICAL LOGS FROM BOREHOLES DD-BK AND DD2 … · Homestake Mining Company of CA - Presentation - Evaluation of Water Quality in Regard to Site Background Standards

Arcadis U.S., Inc.150 Market Street, Suite 728Indianapolis, Indiana 46204

WELL NAME: CLIENT:

PROJECT LOCATION:

DATE LOGGED:

Geophysical Logging Services

Natural Gamma

WELL COORDINATES:

PROJECTION:

SURFACE ELEVATION:

CASING STICK-UP:

DEPTH TO GROUNDWATER:

SPR/SP

Logging Probes Used

Fluid Temperature/ResistivityInduction ConductivityNormal Resistivity3-Arm CaliperAcoustic TeleviewerOptical TeleviewerHeat Pulse Flow MeterSpinner Flow MeterSpectral GammaFull Waveform SonicNuclear Magnetic ResonanceOther:CASING DIAM.: LENGTH:

O.H. DIAM.: FROM: TO:

LOGGED BY:

CASING TYPE:

TOTAL DEPTH:

REMARKS:STATIC SPECTRAL GAMMA LOGGED ON 1/26/2018

2 IN. 85 FEET

BARRICK GOLD CORP.

Gabriel Hebert

PVC RISER

85 FEET

GRANTS, NEW MEXICO

01/25/2018

BORING DD-BK

Static Spectral Gamma: U - Weight Percent

0 7ppmDynamic Spectral Gamma: Raw U

0 1cps

Spectral Gamma Logging Results

Total Uranium Concentration

1 12Leached Uranium Concentration

0.002 0.2

Total Iron Concentration

0 50000mg/KgTotal Potassium Concentration

0 5000mg/Kg

Laboratory Analytical Results (ELI)

Visual Description

Depth

1ft:20ft

Natural Gamma Ray

0 120cps

Sample PhotosInduction Conductivity

0 340mS/m

0.0022

0.0018

0.0012

0.0032

0.0127

0.0070

0.0059

0.0032

0.0075

0.0118

1

1

1

1

1

1

1

1

1

1

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

18.0

20.0

22.0

24.0

26.0

28.0

30.0

32.0

34.0

36.0

38.0

40.0

42.0

44.0

46.0

48.0

50.0

52.0

54.0

56.0

58.0

60.0

62.0

64.0

66.0

68.0

70.0

72.0

74.0

76.0

78.0

80.0

82.0

84.0

1.15

2.74

0.37

0.38

3.86

1.54

0.25

0.13

1.65

3.82

2.21

1.31

6.18

ML: SILT with some Sand

SM: Sandy SILT

SM: Silty SAND

CL: CLAY with Sand

SM: Silty SAND

CH: CLAY with trace sand

SP: SAND with some silt

SP: SAND with trace silt

SM: Silty SAND

SW: SAND with trace silt

SM: Silty SAND

SM-GM: Silty SAND andGRAVEL

SM: Silty SAND

SW: SAND with some silt

CL: CLAY

SC: Clayey SAND

SM: Silty SAND

SP: SAND with some silt

SM: Silty SAND

SP: SAND with some silt

CL: Sandy Clay

CH: Clay with trace sand

SM: Silty SAND

CH: Clay

SM: Sandy SILT

CH: CLAY with trace sand

SM: Silty SAND

CH: Clay

SM: Silty SAND

CH: Clay

SM: Silty SAND

SM: Sandy SILT

SM: Silty SAND

SW: Gravelly SAND with somesilt

RX Shale: BEDROCK Shale(red)

RX Sandstone: BEDROCKSandstone

RX Shale: BEDROCK Shale(red)

RX Shale: BEDROCK Shale(gray)

gbyer
Typewritten Text
no conductivity due to interference from metal centralizer
gbyer
Typewritten Text
no conductivity due to interference from metal centralizer
Page 3: ATTACHMENT B: GEOPHYSICAL LOGS FROM BOREHOLES DD-BK AND DD2 … · Homestake Mining Company of CA - Presentation - Evaluation of Water Quality in Regard to Site Background Standards

Arcadis U.S., Inc.150 Market Street, Suite 728Indianapolis, Indiana 46204

WELL NAME: CLIENT:

PROJECT LOCATION:

DATE LOGGED:

Geophysical Logging Services

Natural Gamma

WELL COORDINATES:

PROJECTION:

SURFACE ELEVATION:

CASING STICK-UP:

DEPTH TO GROUNDWATER:

SPR/SP

Logging Probes Used

Fluid Temperature/ResistivityInduction ConductivityNormal Resistivity3-Arm CaliperAcoustic TeleviewerOptical TeleviewerHeat Pulse Flow MeterSpinner Flow MeterSpectral GammaFull Waveform SonicNuclear Magnetic ResonanceOther:CASING DIAM.: LENGTH:

O.H. DIAM.: FROM: TO:

LOGGED BY:

CASING TYPE:

TOTAL DEPTH:

REMARKS:STATIC SPECTRAL GAMMA LOGGED ON 1/25/2018

2 IN. 100 FT

BARRICK GOLD CORP.

Gabriel Hebert

PVC RISER

100 FEET

GRANTS, NEW MEXICO

01/24/2018

BORING DD2-BK

Static Spectral Gamma: U - Weight Percent

0 7ppmDynamic Spectral Gamma: Raw U

0 1cps

Spectral Gamma Logging Results

Total Uranium Concentration

1 12mg/KgLeached Uranium Concentration

0.002 0.2mg/L

Total Iron Concentration

0 50000mg/KgTotal Potassium Concentration

0 5000mg/Kg

Laboratory Analytical Results (ELI)

Visual Description

Depth

1ft:20ft

Natural Gamma Ray

0 120cps

Sample PhotosInduction Conductivity''

0 340mS/m

0.1790

0.0477

0.0090

0.0086

0.0079

0.0086

0.0080

0.0180

0.0305

10

1

1

2

1

2

1

1

5

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

18.0

20.0

22.0

24.0

26.0

28.0

30.0

32.0

34.0

36.0

38.0

40.0

42.0

44.0

46.0

48.0

50.0

52.0

54.0

56.0

58.0

60.0

62.0

64.0

66.0

68.0

70.0

72.0

74.0

76.0

78.0

80.0

82.0

84.0

86.0

88.0

90.0

92.0

94.0

96.0

98.0

100.0

0.00

1.95

2.40

2.40

2.33

1.24

4.26

4.70

0.00

1.67

1.76

2.32

3.36

0.79

3.74

3.95

5.68

CL: CLAY with trace sand

SM: Silty SAND

CH: CLAY

SM: Silty SAND

SP: SAND with trace silt

SP: SAND with some silt

SP: SAND with trace silt

SW: SAND and GRAVEL

SP: SAND with some silt

SW: SAND and GRAVEL

SP: SAND with silt

SC: Clayey SAND

SM: Silty SAND

CH: CLAY

SM: Silty SAND

SC: Clayey SAND

SP: SAND with silt

CH: CLAY

SM: Silty SAND

SP: SAND with silt

CH: CLAY

SM: Silty SAND

CH: CLAY with some sand

SM: Silty SAND

CH: CLAY

SM: Sandy SILT

CH: CLAY

SM: Silty SAND

SW: Gravely SAND with silt

GP: GRAVEL with sand

SW: SAND with gravel

SP: SAND with silt

CL: Sandy CLAY

GC: Clayey GRAVEL

RX Shale: BEDROCK Shale(red)

RX Shale: BEDROCK Shale(gray)

gbyer
Typewritten Text
no conductivity due to interference from metal centralizer