Serengeti Expands Kwanika Central Zone Mineral Resource – Project Confidence Substantially Increased
NR: 2019-01
Serengeti Expands Kwanika Central Zone Mineral Resource – Project
Confidence Substantially Increased
Vancouver, B.C ., March 03, 2019, Serengeti Resources Inc. (SIR: TSX-V) is pleased to report the results of a
recently completed independent mineral resource estimate on the Central Zone at the Kwanika Cu -Au Project in north -
central BC. The Measured and Indicated (M&I) Mineral Resource at the Central Zone is now estimat ed to contain 1.32
billion pounds of copper and 1.83 million ounces of gold in addition to a significant Inferred Resource at the grades and
tonnes noted in Table 1 below. Importantly, the new resource estimate has identified coherent higher -grade domains
within the open pit and underground M&I Mineral Resources that will be the target for PFS-stage mine planning currently
underway and scheduled for completion in mid-2019. The Kwanika Project is controlled by Kwanika Copper Corporation
(“KCC”), a private company jointly owned by SERENGETI RESOURCES Inc. (65%) and POSCO DAEWOO
Corporation (35%).
Combined open pit and underground constrained Central Zone resource highlights include:
Combined Measured and Indicated (M+I) Resource of 223.6 million tonnes grading 0.27% copper, 0.25 g/t gold
and 0.87 g/t silver containing 1.32 billion pounds of copper, 1.83 million ounces of gold and 6.27 million ounces
of silver as summarized in Table 1;
A substantial increase in resource tonnes in all categories compared to the 2016 resource;
An overall increase in contained metal from the 2016 Indicated Resource estimate, including increases of 44%
for copper, 32% for gold, and 52% for silver in the M+I categories;
Conversion of 42.9 million tonnes of Indicated Resources to Measured category, representing approximately
20% of the combined open pit and underground M+I Resource;
Identification of higher-grade domains within both the open pit and underground resource (as shown in Figure
1) which will form the basis for PFS mine planning, as outlined in the sensitivity Table 2 below.
David Moore, Serengeti President and CEO stated: “We are very pleased with the new Kwanika Central Zone Mineral
Resource. Not only has the overall contained metal inventory expanded significantly, but the current model is now based
on more realistic open-pit and underground mining shapes that improve our overall confidence in the project. The new
Mineral Resource also shows that at higher cut off grades for the open pit and at a higher-grade confining sh ell for
underground mineral resources , higher-grade domains remain coherent, which suggests that we should be able to
target these areas as the Kwanika mine plan is developed. We will be incorporating the new figures into the on -going
PFS engineering work and anticipate the potential for an expanded Central Zone open pit and bulk underground mine
life”.
Reasonable Prospects of Eventual Economic Extraction and Reporting Methods:
Total Resources are reported within combined open pit and underground shapes to define “reasonable
prospects of eventual economic extraction”.
Open-pit constrained mineral resources are confined to a Lerchs -Grossman shell above the potential block
cave and created using Net Smelter Prices (NSPs) and an NSR cut -off grade of CAD$11.30. The confining
shape for the ultimate pit uses 120% of base case prices.
Open pit planning for the PFS will consider mining a higher grade starter pit while underground development is
in progress and will use a selective cutoff grade strategy to increase mill feed grades at the start of the project
and stockpile lower grades to supplement underground production to ensure processi ng rates at mill capacity.
Grade bin distribution for the open pit resource is provided in Table 2 below.
Underground resources reported in Table 1 contain all material confined within a potentially minable shape
defined by a 0.27% CuEq, or above and NSR of CAD$20.12. This total underground resource contains the
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material for the PFS study plus additional areas which are the exploration targets at depth, to the north and
northwest of the current shape.
Underground resources reported in Table 2 contain al l material confined within a potentially min eable shape
defined by the 0.40% CuEq (or NSR=CAD$29.80), which will be considered for the ongoing PFS study.
The CuEq block grades and potentially min eable confining shapes described above are illustrated in the
section below at 351500E (Figure 1).
Table 1: Summary of Total Pit and Underground Resource - Kwanika Central (effective date: December 14, 2018)
Pit-Constrained
Classification Quantity
(Mt)
Cut-off
(CuEq%)
Grade Contained metal
CuEq
(%)
Cu
(%)
Au
(g/t)
Ag
(g/t)
Cu
(Mlbs)
Au
(koz)
Ag
(koz)
Measured 24.2
0.13
0.51 0.34 0.33 1.07 179 254 833
Indicated 80.4 0.30 0.20 0.18 0.69 360 454 1,784
Total M+I 104.6 0.35 0.23 0.21 0.78 540 708 2,617
Inferred 5.7 0.23 0.16 0.13 0.65 20 25 119
Underground
Classification Quantity
(Mt)
Confining
Shape
Basis
(CuEq%)
Grade Contained metal
CuEq
(%)
Cu
(%)
Au
(g/t)
Ag
(g/t)
Cu
(Mlbs)
Au
(koz)
Ag
(koz)
Measured 18.7 0.27
confining
shape -
0.58 0.36 0.40 1.15 151 239 692
Indicated 100.2 0.44 0.29 0.27 0.92 634 884 2,964
Total M+I 118.9 0.46 0.30 0.29 0.96 784 1,123 3,656
Inferred 84.7 0.27 0.17 0.18 0.60 319 480 1,634
Combined Pit and Underground
Classification Quantity
(Mt)
Cut-off
(CuEq%)
Grade Contained metal
CuEq
(%)
Cu
(%)
Au
(g/t)
Ag
(g/t)
Cu
(Mlbs)
Au
(koz)
Ag
(koz)
Measured 42.9 As
applicable
for pit and
ug from
above
0.54 0.35 0.36 1.10 330 493 1,525
Indicated 180.6 0.38 0.25 0.23 0.82 994 1,338 4,748
Total M+I 223.6 0.41 0.27 0.25 0.87 1,324 1,831 6,273
Inferred 90.4 0.26 0.17 0.17 0.60 339 504 1,753
Table 2: Measured+Indicated Pit Resource Sensitivity and Underground Material within PFS Confining shapes
Pit-Constrained Sensitivity Analysis at Various Cut-Off Grades
Classification Quantity
(Mt)
Cut-off
(CuEq%)
Grade Contained Metal
CuEq% Cu
%
Au
(g/t)
Ag
(g/t)
Cu
(Mlbs)
Au
(koz)
Ag
(koz)
Total M+I
104.6 0.13 0.35 0.23 0.21 0.78 540 708 2,617
63.2 0.25 0.45 0.30 0.27 0.89 424 546 1808
24.4 0.40 0.67 0.45 0.41 1.26 244 318 991
Underground Sensitivity Analysis within 0.40% CuEq Confining Shape
Total M+I 64.0
**0.4
confining
shape
0.62 0.39 0.43 1.23 550 884 2,520
Central Zone Resource Notes
The cut-offs are based on prices of US$3.25/lb of copper, US$1,350/oz of gold, US$17/oz of silver and assumed recoveries
of 91% for copper, 75% for gold, 75% for silver.
Copper equivalents (CuEq) values are calculated using the formula below based on the above metal prices and recoveries.
They are also calculated to include smelter terms and a $US:$CAD exchange rate of 0.77 which results in the following
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equation.
CuEq = Cu% + ((Auoz*CAD$1620.77*75%) + (Agoz*CAD$18.79 *75%)) / (CAD$3.71*91%*22.0462)
Mineral resources a re not mineral reserves and do not have demonstrated economic viability. All values are rounded to
reflect the relative accuracy of the estimate.
Figure 1: Section at 351500E illustrating the Resource Pit with Conceptural Phases and the Underground
Confining Shapes
The current Central Zone resource is based on 143 holes totaling 65,695 metres drilled at the Central Zone by Serengeti
Resources since 2006 and incorporated drilling results from the 2018 program at Kwanika. Capping of assays for al l
metals has been done prior to compositing where applicable. Revised domains for copper and gold separately and
updated grade trends reflect the presence of multiple mineralizing events and enrichment of gold and copper as
overprinting events. The updated model results in a wider mineralized envelope extending deepe r within the Central
Zone compared to the 2016 resource estimate. A revised structural model created in 2018 provided a key input for the
new resource model. Furthermore, the current resource is based on more reasonable underground and open pit
confining shapes with the underground including all material within the shape (i.e. no cutoff has been applied) and the
open pit allowing for reasonable cave heights. Final Cu, Au and Ag grades have been interpolated by Ordinary Kriging
(OK). The model has been vali dated by comparison with volume -variance corrected nearest-neighbour (NN) grades to
ensure no global bias and further validated with comparison to inverse-distance-cubed (ID 3) interpolations for each
metal to ensure consistency, precision and accuracy.
Serengeti also includes the 2016 South Zone resource (see table 3) which reported 33.3 million tonnes grading 0.26%
copper and 0.08 g/t gold at 0.13% copper equivalent cut -off (Serengeti press release dated November 14 th, 2016). The
2016 South Zone resour ce was based on 58 holes, totaling 17,958 meters drilled at the South Zone by Serengeti,
between 2008-2010.
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South Zone Resource Notes
*Open-pit constrained mineral resources are reported in relation to a conceptual Whittle pit shell. Mineral resources are not miner al
reserves and do not have demonstrated economic viability. All figures are rounded to reflect the relative accuracy of the estimate. All
composites have been capped where appropriate.
** Open-pit constrained mineral resources are reported at a copper equivalent cut -off of 0.13%. Th e cut-offs are based on prices of
US$3.00/lb of copper, US$1,300/oz of gold, US$20/oz of silver, US$9.00/lb of molybdenum and assumed recoveries of 89% for
copper, 70% for gold, 75% for silver, and 60% for molybdenum.
*** Copper equivalent values are calculated using the formula:
CuEq = Cu% + ((Augpt/31.1034*AuPrice*AuRecovery) + (Aggpt/31.1034*AgPrice*AgRecovery) + (Mo%*MoPrice*MoRecovery*22.0462)) / (CuPrice*CuRecovery*22.0462)
Independent Consultants
The current updated Central Zone resource estimate was completed by Moose Mountain Technical Services (MMTS) of
Cranbrook, British Columbia under the direction of Sue Bird, P. Eng., an independent Qualified Person as defined by NI
43-101. Sue Bird, P. Eng. completed a site visit to the Kwanika property from July 13 – 16, 2018 and reviewed and
advised the geological modeling input to the current study.
The South Zone resource estimate was completed in 2016 by SRK Consulting (Canada) Inc., of Vancouver, British
Columbia under the direction of Marek Nowak P. Eng., an independent Qualified Person as defined by NI 43-101. Chad
Yuhaz, P. Geo., also of SRK and also a QP , completed the site visit to the Kwanika property in 2016 and was involved
with the geological modeling input for the 2016 South Zone resource estimate.
CIM (2014) definitions and guidelines were followed for the Mineral Resource estimation based on the parameters
provided above . Mineral Resources do not have demonstrated economic viability and Measured Resources have a
higher degree of confid ence than do Indicated Resources , which have a higher degree of confidence than Inferred
Resources. A technical report providing details of the estimate will be filed on SEDAR (www.sedar.com) within 45 days.
Readers are reminded that prior resource estimates published by Serengeti, and filed on SEDAR, are now superseded
and should no longer be relied upon.
About Serengeti Resources Inc.
Serengeti is a mineral exploration company managed by an experienced team of professionals with a solid track record
of exploration success. The Company is currently advancing its Kwanika copper -gold project in partnership with
POSCO DAEWOO Corporation an d exploring its extensive portfolio of properties in north -central British Columbia. A
number of these other projects are available for option or joint venture and additional information can be found on the
Company’s website at www.serengetiresources.com.
Quality Assurance/Quality Control
Sample analysis for the 2018 Kwanika drilling program was completed at Bureau Veritas Minerals Laboratory in
Vancouver, BC, which is ISO 9001:2015 and 17025 accredited. A robust quality assurance/quality control program was
completed by KCC which included inserting field blanks, standards and duplicates into the sample stream before being
shipped to the laboratory. QAQC samples accounted for a minimum of 20% of the samples which were analyzed in
addition to the laboratory’s own quality assurance program. Co pper and silver analyses were determined by AQ 270
which is a combined ICP -ES/MS method following Aqua -Regia digestion and is capable of determining up to 100,000
ppm Cu and 1,000 ppm Ag; Au was determined by FA430, a lead collection, Fire Assay/AAS method using a 30-gram
sub-sample and has an upper detection limit of 10 ppm Au. MMTS and SRK have concluded that the QAQC verifies the
assay grades used in both the Kwanika Central and the Kwanika South models.
Table 3: Restated 2016 Kwanika South Zone Mineral Resource Statement (SRK Consulting, October 14, 2016)
Pit-Constrained
Classification Quantity
(Mt)
Grade Contained metal
CuEq
(%)
Cu
(%)
Au
(g/t)
Ag
(g/t) Mo (%) Cu
(Mlbs)
Au
(koz)
Ag
(koz) Mo (Mlbs)
Inferred 33.3 0.31 0.26 0.08 1.64 0.01 191 80 1,760 8
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The field program was supervised by Serengeti Res ources Inc. staff and the technical information in this news release
has been prepared in accordance with Canadian regulatory requirements as set out in National Instrument 43 -101, and
reviewed by the Company’s qualified person, David W. Moore, P. Geo., President and CEO of Serengeti Resources Inc
who has supervised the preparation of and approved the scientific and technical information in this news release.
ON BEHALF OF THE BOARD
David W. Moore, P. Geo.
President, CEO and Director
Cautionary Statement
This document contains “forward-looking statements” within the meaning of applicable Canadian securities regulations. All statements
other than statements of historical fact herein, including, without limitation, statements regarding exploration plans and other future
plans and objectives, are forward -looking statements that involve various risks and uncertainties. There can be no assurance that
such statements will prove to be accurate and future events and actual results could differ materiall y from those anticipated in such
statements. Important factors that could cause actual results to differ materially from our expectations as well as a compre hensive list
of risk factors are disclosed in the Company’s documents filed from time to time via SEDAR with the Canadian regulatory agencies to
whose policies we are bound. Forward -looking statements are based on the estimates and opinions of management on the date the
statements are made, and we do not undertake any obligation to update forward-looking statements should conditions or our estimates
change, other than as required by law and readers are further advised not to place undue reliance on forward-looking statements.
Neither the TSX Venture Exchange nor its Regulation Services Provider acce pts responsibility for the adequacy or accuracy of this
release.
For further information, please contact:
Serengeti Resources Inc. Suite 520 – 800 West Pender St., Vancouver, BC, V6C 2V6
Tel: 604-605-1300 / Email: [email protected] / Website: www.serengetiresources.com