geological remote sensing study on the blackwater …
TRANSCRIPT
Blackwater Explorations Ltd. Blackwater Project ___________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
GEOLOGICAL REMOTE SENSING STUDY
on the
BLACKWATER PLACER CLAIM
Tenure Number 682023 located in the Cariboo Mining Division, B .C.
122°53’8.8” W, 53°14’ 43.7” N , NTS 093G/02W and 093G/07W
owned by:
Blackwater Explorations Ltd. 4030 Torry Road,
Eagle Bay, B .C. V0E 1T0
by:
K.V. Campbell, Ph.D., P.Geo.
ERSi Earth Resource Surveys Inc. 6599 Millar Road
Horsefly, B.C. V0L 1L0
March 30, 2010
Blackwater Explorations Ltd. Blackwater Project ___________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
Table of Contents
1. INTRODUCTION ................................................................................................................................... 1
1.1. Location and Access ..................................................................................................................... 1
1.2. Claim Status .................................................................................................................................. 1
1.3. Physiography and Vegetation ....................................................................................................... 1
1.4. Previous Work ............................................................................................................................... 1
2. Regional Geology .................................................................................................................................. 2
3. Regional Geophysics ............................................................................................................................ 2
4. Remote Sensing Investigation .............................................................................................................. 2
5. Conclusions and Recommendations .................................................................................................... 3
6. References ............................................................................................................................................ 3
7. Certificate .............................................................................................................................................. 4
Figures Figure 1. Location map .................................................................................................................................
Figure 2. Placer claim map ...........................................................................................................................
Figure 3. Regional geology ...........................................................................................................................
Figure 4. Aeromagnetic residual field ...........................................................................................................
Figure 5. 1st vertical derivative, aeromagnetics
Figure 6. ASTER false color composite, bands 3,2,1 (RGB) ........................................................................
Figure 7. ASTER false color composite, bands 4,3,2 (RGB) ........................................................................
Figure 8. ERS-1 SAR imagery, view north ....................................................................................................
Figure 9. ERS-1 SAR imagery, view southeast ............................................................................................
Figure 10. Lineament compilation ..................................................................................................................
Tables
Table 1. Explanation of Figure 3 .......................................................................................... follows Figure 3
Blackwater Explorations Ltd. Blackwater Project 1 _____________________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
1. INTRODUCTION
This reports describes the results of a remote sensing study of the Blackwater placer claims located in the
Cariboo Mining Division of central British Columbia. These claims, owned by Blackwater Explorations Ltd,
are currently being explored for their potential to host placer gold and platinum deposits. The objective of
the study was to determine if information on the structural geology of the claims area could be derived
from an analysis of Landsat 7 ETM and ASTER multispectral data and ERS1 radar imagery.
1.1. Location and Access
The Blackwater placer claims (BX claims) are situated about 440 km north of Vancouver and 40 km north-
northwest of Quesnel (Figure 1) within N.T.S. map sheets 93G/2W and 93G/7W and the Cariboo Mining
Division. The claims are centered at approximately 122°53’8.8” W longitude and 53°14’ 43.7” N latitude.
Access to the property is from the Blackwater Road (Quesnel to Vanderhoof) and a number of logging
roads that extend north and northeast from the Blackwater Road onto the claims.
1.2. Claim Status
Figure 2 is a claim plan of the property. The BX placer claim, the original part of which was staked in
2007, covers 1,372.7640 hectares. The claim has a current expiry date of April 9, 2011 and is 100%
owned by Blackwater Explorations Ltd.
1.3. Physiography and Vegetation
The claim lies mostly in the Fraser Basin, along the western side of the Fraser Plateau. The Fraser Basin
is for the most part a flat or gently rolling surface below ~900m. Both it and the Fraser Plateau in this area
were occupied by ice whose movement created drumlins and drumlin-like forms in the extensive glacial
drift. Ice movement was in a northward direction.
The claim covers two watersheds, one draining southeast into the Fraser River and the other draining
northwest to north into the Blackwater River. The southeastern drainage is about 13.72 km long with an
elevation range from 789 to 520m. The northwestern drainage is about 11.26 km long with and elevation
range from 830 to 560m..
Dense brush, beetle-killed pine, spruce and some fir trees cover the claim.
1.4. Previous Work
There is no record of any previous exploration work on the BX placer claim. There is no record of any
assement reports being filed on the adjacent placer claims. There are no B.C. Minfile occurrences on the
claim.
Blackwater Explorations Ltd. Blackwater Project 2 _____________________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
2. Regional Geology
The regional bedrock geology is shown in Figure 3, based on the 1:250,000 scale digital compilation of
Massey et al, 2005. Cherts and other siliceous sediments of the Cache Creek Group are mapped as
underlying the BX claim.
With the exception of the area around Blackwater Mtn. and the hills in the southeast corner of Figure 3
and the lower Blackwater River, the entire area on the west side of the Fraser River is blanketed with
Quaternary deposits, primarily glacial till, north-northwest trending drumlins and drumlinoid ridges.
No traverses have been made down the two principal drainages of the BX placer claim and the nature of
the surficial deposits is basically unknown, as is whether or not there are any exposures of bedrock.
3. Regional Geophysics
Figures 4 and 5 show the residual total field and first vertical derivative of aeromagnetics provided by the
Geophysical Centre. The data has nominal flight line spacing of ~800m and the lines were flown in a
north-south direction. The north-south trends apparent in the data are the result of gridding these
relatively coarsely spaced lines and can be discounted.
The residual total field is dominated by the magnetic effects of the crustal rock units. The 1st vertical
derivative reflects magnetic sources closer to the surface than the residual total field, with higher vertical
derivatives generally associated with highly magnetic rocks.
In both Figures 4 and 5 the northwest trend of the bedrock units is evident. The volcanics of the Eocene –
Oligocene units are more magnetic than the sedimentary rocks of the Cache Creek Group. The
distribution the highly magnetic zones suggests that the boundary between the Cache Creek Group and
the Tertiary units could be improved upon. Undoubtedly, the distribution of rock units is more complex
than shown in Figure 3.
Interpreted faults (yellow) and the northwest trending magnetic high (magenta) are shown on both
Figures 4 and 5.
4. Remote Sensing Investigation
Two sources of satellite imagery were used in this work; multispectral ASTER data and ERS-1 radar
imagery.
Two scenes of ASTER were acquired, both collected on June 3, 2003. ASTER imagery includes 3 visible
and near infrared bands with a 15m pixel, 6 shortwave infrared bands with a 30m pixel and 5 thermal
infrared bands with a 90m pixel. This imagery was first orthorectified using TRIM vectors and a SRTM
DEM resampled to 50m then atmospherically corrected. A study subset of imagery was then cut from the
mosaicked file.
Blackwater Explorations Ltd. Blackwater Project 3 _____________________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
ASTER false color composites are shown in Figures 6 and 7. Their only use in the current study was to
provide information on the vegetative cover, no additional structural information was gleaned from the
ASTER data.
The ERS-1 side-looking radar (SAR) imagery was collected September 17, 1995. It has a nominal pixel
size of 12.5m in the C-band. SAR imagery is derived from the energy, or signal, returning to the satellite
from the ground. This signal is dependent on a number of factors including; slope and slope direction,
type of vegetation, moisture content, presence of corner reflectors and specular surfaces. SAR imagery
does not penetrate vegetation or other ground cover except in very unique and rare conditions, not found
in central B.C. SAR imagery does give a very detailed picture of the terrain and is very sensitive to slight
changes in the tree canopy height which provides information on what the topography of the ground
below.
Antenna path and slant range corrections were applied to the SAR imagery, which was then orthorectified
to the ASTER data using the SRTM DEM. Figures 8 and 9 are perspective views of the SAR imagery.
These reveal a weath of topographic detail, in particular the north to north-northwest trending drumlinoid
ridges.
Figure 10 is a compilation of interpreted faults and topographic lineaments compiled from the satellite
imagery.
5. Conclusions and Recommendations
The main topographic feature on the BX placer claim is the northwest trending depression extending from
the Blackwater River southeast to the Fraser River. It is interpreted as marking a bedrock fracture zone.
The multispectral ASTER imagery did not provide any structural information. The ERS-1 SAR imagery
identified numerous topographic lineaments, the great majority of which are related to northerly trending
glacial deposits and scouring. Some of the better developed north-northwest trending topographic
lineaments crossing the main northwest topographic depression could mark bedrock fracture zones. It is
recommended that the placer claim and the adjacent slopes be mapped with the objective of determining
the nature of the surficial deposits and the presence of bedrock exposures.
6. References
Massey, N.W.D., MacIntyre, D.G., Desjardins, P.J. and Cooney, R.T., 2005; Digital geology map of British Columbia, B .C. Ministry of Energy, Mines and Petroleum Resources, Geological Survey Branch, Open File 2005-2.
Blackwater Explorations Ltd. Blackwater Project 4 _____________________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
7. Certificate
I, KENNETH VINCENT CAMPBELL, resident of Horsefly, Province of British Columbia, hereby certify as
follows:
1. I am a geologist employed by ERSi Earth Resource Surveys Inc., 6599 Millar Road, Horsefly, British Columbia.
2. I graduated with a degree of Bachelor of Science, Honours Geology, from the University of British
Columbia in 1966, a degree of Master of Science, Geology, from the University of Washington in 1969, and a degree of Doctor of Philosophy, Geology, from the University of Washington in 1971.
3. I have practiced my profession for 44 years. I have been a member of the Association of Professional
Engineers and Geoscientists of British Columbia since August 11th, 1992. 4. This report, dated March 30, 2010 is based on my understanding of the geological setting of the
Blackwater placer claim, Cariboo Mining Division, B.C., and an examination of ASTER and ERS-1 SAR imagery.
Dated at Horsefly, Province of British Columbia
This 30th day of March, 2010
______ ______________________________________
K. Vincent Campbell, Ph.D., P.Geo.
Geologist
July 15, 2000
Blackwater Explorations Ltd. Blackwater Project 5 _____________________________________________________________________________________________
___________________________________________________________________________________ ERSi Earth Resource Surveys Inc.
FIGURES
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Blackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsBlackwater Placer ClaimsTenure 682023Tenure 682023Tenure 682023Tenure 682023Tenure 682023Tenure 682023Tenure 682023Tenure 682023Tenure 682023
Blackwater Road
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Hwy 97Hwy 97Hwy 97Hwy 97Hwy 97Hwy 97Hwy 97Hwy 97
Hwy 97
122° 45 ' W12 2° 45 ' W12 2° 45 ' W12 2° 45 ' W12 2° 45 ' W12 2° 45 ' W12 2° 45 ' W12 2° 45 ' W12 2° 45 ' W
1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W1 22 ° 3 0' W
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123° 15' W123° 15' W123° 15' W123° 15' W123° 15' W123° 15' W123° 15' W123° 15' W123° 15' W
Figure: 1
Blackwater Explorations Ltd.
DWG: 518-6 Scale: 1:250,000
5 0 5 10 15
Kilometers
Placer Claim 682023
Cariboo Mining Division, B.C.
(((((((((((((((((((((((((((((((((((((((((((((((((
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(((((((((((((((((((((((((((((((((((((((((((((((((
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USA
YUKON
B.C.
ALBERTA
8BlackwaterBlackwaterBlackwaterBlackwaterBlackwaterBlackwaterBlackwaterBlackwaterBlackwaterPlacer ClaimPlacer ClaimPlacer ClaimPlacer ClaimPlacer ClaimPlacer ClaimPlacer ClaimPlacer ClaimPlacer Claim
55°N55°N55°N55°N55°N55°N55°N55°N55°N
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Prince GeorgePrince GeorgePrince GeorgePrince GeorgePrince GeorgePrince GeorgePrince GeorgePrince GeorgePrince George
VancouverVancouverVancouverVancouverVancouverVancouverVancouverVancouverVancouver
KamloopsKamloopsKamloopsKamloopsKamloopsKamloopsKamloopsKamloopsKamloops
SmithersSmithersSmithersSmithersSmithersSmithersSmithersSmithersSmithers
LOCATION MAP
February 2010
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Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.
BX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer Claim682,023682,023682,023682,023682,023682,023682,023682,023682,023
680,404680,404680,404680,404680,404680,404680,404680,404680,404
554,264554,264554,264554,264554,264554,264554,264554,264554,264
720720720720720720720720720
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610610610610610610610610610
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5900000m N5900000m N5900000m N5900000m N5900000m N5900000m N5900000m N5900000m N5900000m N
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580,866580,866580,866580,866580,866580,866580,866580,866580,866
580,862580,862580,862580,862580,862580,862580,862580,862580,862334,905334,905334,905334,905334,905334,905334,905334,905334,905264,172264,172264,172264,172264,172264,172264,172264,172264,172
397,280397,280397,280397,280397,280397,280397,280397,280397,280
665,109665,109665,109665,109665,109665,109665,109665,109665,109
Figure: 2
Blackwater Explorations Ltd.
DWG: 518-7 Scale: 1:50,000
Placer Claim 682023
Cariboo Mining Division, B.C.
ALR BX Claim OtherPlacer Claims
PLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAPPLACER CLAIM MAP
February 2010
1 0 1 2 Km
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Fraser R.
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Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.Blackwater Mtn.
BX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer Claim
muTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrN
EOEOEOEOEOEOEOEOEO
EOlEvEOlEvEOlEvEOlEvEOlEvEOlEvEOlEvEOlEvEOlEv
PTrCchPTrCchPTrCchPTrCchPTrCchPTrCchPTrCchPTrCchPTrCch
PTrClmPTrClmPTrClmPTrClmPTrClmPTrClmPTrClmPTrClmPTrClm
muTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrN
muTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrN
muTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrN
710710710710710710710710710
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OlPicgOlPicgOlPicgOlPicgOlPicgOlPicgOlPicgOlPicgOlPicg
EOlEvEOlEvEOlEvEOlEvEOlEvEOlEvEOlEvEOlEvEOlEv
PTrClmPTrClmPTrClmPTrClmPTrClmPTrClmPTrClmPTrClmPTrClm
KNaKNaKNaKNaKNaKNaKNaKNaKNa
muTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrNmuTrN
uTrJNvcuTrJNvcuTrJNvcuTrJNvcuTrJNvcuTrJNvcuTrJNvcuTrJNvcuTrJNvc
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Figure: 3
Blackwater Explorations Ltd.
DWG: 518-8 Scale: 1:50,000
Placer Claim 682023
Cariboo Mining Division, B.C.
REGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGYREGIONAL GEOLOGY
February 2010
1 0 1 2 Km
UTM 10 NAD83 10m contour interval
(see Table 1 for Explanation)
Cache Creek Grp.limestone, marble, calcareous sediments
Cache Creek Grp.chert, argillite
Middle Triassic to Upper TriassicNicola Grp. - undivided sedimentary rocks
EoceneOotsa Grp. - rhyolite, felsic volcanics
Oligocene to Plioceneconglomerate
Eocene to OligoceneEndako Grp. - undivided volcanics
Cretaceousgranite, quartz monzonite
Upper Triassic to Lower JurassicNicola Grp. - volcaniclastics
KNa
OlPicg
EOlEv
EO
uTrJNvc
Terti
ary
Mes
ozoi
c
muTrN
PTrClm
PTrCch
Per
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Tria
ssic
Table 1. Explanation of Regional Bedrock Units(after Massey et al, 2005)
fault
axis of linear aeromagnetic high
(DWG 518-9)
BX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer Claim
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1 0 1 2 Km
Figure: 5
-0.0284
-0.0541
-0.0441
-0.037
-0.0213
-0.0142
-0.0071
0.00286
-0.142
-0.532
-0.091
-0.0697
0.925
0.0185
0.0342
0.0669
0.139
Blackwater Explorations Ltd.
Placer Claim 682023 Cariboo Mining Division, B.C.1st Vertical Derivative
Aeromagnetics DWG:518-11 Scale 1:100,000
BX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer Claim
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Figure: 4
-438 nT
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33.8
125
218
345
-137
-197
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-158
-119
-99.4
-63.5
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-9.6
Blackwater Explorations Ltd.
Placer Claim 682023 Cariboo Mining Division, B.C.
Aeromagnetic Residual Total Field
DWG:518-10 Scale 1:100,000
Figure: 6DWG: 518-12
Blackwater Explorations Ltd.Placer Claim 682023 Cariboo Mining Division, B.C.
ASTER False Color CompositeBand 3,2,1 (RGB)
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N
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Scale 1:30,000
Figure: 7DWG: 518-13
Blackwater Explorations Ltd.Placer Claim 682023 Cariboo Mining Division, B.C.
ASTER False Color CompositeBand 4,3,2 (RGB)
UTME
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N
BX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer Claim
Scale 1:40,000
Figure: 8DWG: 518-14
Blackwater Explorations Ltd.Placer Claim 682023 Cariboo Mining Division, B.C.
ERS-1 SAR ImageryView North
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Scale 1:30,000
Figure: 8DWG: 518-14
Blackwater Explorations Ltd.Placer Claim 682023 Cariboo Mining Division, B.C.
ERS-1 SAR ImageryView North
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Scale 1:30,000
Figure: 9DWG: 518-15
Blackwater Explorations Ltd.Placer Claim 682023 Cariboo Mining Division, B.C.
ERS-1 SAR ImageryView Southeast
UTME
BX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer ClaimBX Placer Claim
Scale1:40,000
UTMN
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Figure: 10DWG: 518-16
Blackwater Explorations Ltd.
Scale 1:75,000
Lineament CompilationPlacer Claim 682023 Cariboo Mining Division, B.C.
topographic lineament
fault
Addendum to Assessment Report Number 31538
The work described below was conducted by K.V. Campbell Phd., P.Geo., Russell Hillman B.Sc. P.Eng., and by myself, Guy Carter, and was recorded on Statement of Work # 4548351.
Statement of Costs:
• Remote Sensing research conducted by K.V. Campbell and corresponding Technical Report $12,500.00
• Russell Hillman B.Sc., P Eng (geophysicist) 2.5 days @ $900.00 per day re: field research and seismic site selection 2,250.00
• Seismic line surveying, cutting, prospecting by Guy Carter 4 days @ $400.00 per day 1.600.00
• Travelling expenses and accommodations 880.56
Total Costs $17,230.56