Otis Gold Corp. (“
Otis” or the
“
Company”) (TSX-V:OOO) (OTC:OGLDF) is pleased to
announce an updated independent mineral resource estimate at its
100% owned Kilgore Project (“Kilgore”) located in Clark County,
Idaho. The new resource incorporates drilling completed from 2015
through 2017 and is a strong foundation for future growth by
expansion drilling, engineering and metallurgical studies.
The Classified Mineral Resource estimate is
quoted at a cut-off grade of 0.21 grams per tonne gold (g/t Au) and
comprises:
- An Indicated resource of 825,000 ounces of gold at an
average grade of 0.58 g/t Au in 44.6 million tonnes
- An Inferred resource of 136,000 ounces of gold at an
average grade of 0.45 g/t Au in 9.4 million tonnes
Otis President & CEO, Craig Lindsay,
comments: “We are very pleased with the progress made over the past
several years at Kilgore, as it has emerged into an exciting
stand-alone gold deposit that exhibits clear expansion potential,
and the broader 12,000 acre Kilgore Project has extremely promising
growth potential to develop targets both within and external to
current project boundaries.”
Table 1: Otis Gold – Updated Kilgore
Deposit NI 43-101 Mineral Resource Estimate -
Pit constrained at $1,300/oz Au with
sensitivity to Cut-off Grade
|
Indicated 1,2 |
Inferred 1,2 |
WasteTonnes |
StripRatio |
Cut-off Au (g/t) |
Tonnes |
Ounces |
Grade Au (g/t) |
Tonnes |
Ounces |
Grade Au (g/t) |
0.14 |
53,206,000 |
873,000 |
0.51 |
13,168,000 |
157,000 |
0.37 |
59,450,000 |
0.90 |
0.21 |
44,556,000 |
825,000 |
0.58 |
9,399,000 |
136,000 |
0.45 |
71,869,000 |
1.33 |
0.27 |
36,559,000 |
764,000 |
0.64 |
6,600,000 |
115,000 |
0.54 |
82,665,000 |
1.92 |
0.34 |
29,786,000 |
697,000 |
0.73 |
4,567,000 |
95,000 |
0.65 |
91,471,000 |
2.66 |
- Pit input parameters: Selling price $2.20/oz, Recovery 80%,
Mining cost $2/ton, Process cost + G&A $4/ton, Pit slope
50°
- Mineral resources constrained by optimized open pit shell
Otis Gold Corp. - Updated Kilgore Deposit NI 43-101
Resource Estimate - Conference CallOtis executives will
host a conference call to discuss the updated NI 43-101 resource
estimate on Tuesday, August 14, 2018, at
1:15 pm PST/4:15 pm EST. You may access the call
by dialing the operator at 778-383-7413 (Vancouver), 1-416-764-8688
(Toronto or International) or toll free at 1-888-390-0546 prior to
the scheduled start time, or you may listen to the call via webcast
by clicking here:
Webcast:
https://event.on24.com/wcc/r/1817386/82BE4380E770F299F44B8D377BDD7FAA
Highlights
- At a gold price of US$1,300/oz and a cut-off of 0.006 ounces
per short ton gold (0.21 grams per metric tonne gold) the
pit-constrained Kilgore mineral resource contains:
- An Indicated Resource of 825,000 oz Au in 44.6 million tonnes
at an average grade of 0.58 g/t Au, which represents an increase of
59% in the number of Indicated ounces compared with the 2012
Resource Estimate
- An Inferred Resource of 136,000 oz Au in 9.4 million tonnes at
a grade of 0.45 g/t Au (reduction from 2012 Inferred ounces due to
conversion to Indicated category)
- Deposit is robust in respect of sensitivity to lower gold
prices down to $1,100 per ounce gold (see Tables 2 & 3
below)
- Mineral resource estimate is supported by 323 drill holes
totaling 68,814 metres with an increased proportion of core holes
contributing to the resource
- Otis has utilized modern 3D geologic modeling to constrain the
resource using both lithology and structure, which will be used as
both an exploration planning tool and for engineering
activities
- At a $1,300 gold price, and using a cut-off of 0.21 grams per
tonne, 31% of the indicated ounces are contained within the Aspen
Formation at an average grade of 0.69 grams per tonne. The increase
in ounces contained comes from diamond core drilling across the
Tertiary Volcanic – Cretaceous Aspen Formation contact
- Comparable gold grade, cut-off and strip ratios to competing
Great Basin gold deposits in Nevada
- The next round of planned drilling will target near-surface
resource expansion via step-outs to the north, west and south of
the deposit
- Approval of a new 5-year Plan of Operations is expected in
August from the United States Forest Service which will enable
step-out drilling at the Deposit that was not allowed under the
previous permit.
- This new permit will also provide significant flexibility to
begin the process of drill-testing additional emerging targets at
Kilgore. The majority of the property remains largely
untested from a drill perspective, including approximately 5km of
strike along the main controlling fault
- Increased diamond core drilling over historic rotary and
reverse circulation drilling will continue to better enable Otis
geologists to evaluate alteration mineralogy, lithology and general
structure; core drilling also provides needed geotechnical
information for future mine planning
Table 2: Otis Gold – Indicated Resource
Estimate Matrix – Gold Price vs. Grade
|
Indicated Au Ounces by Cut-off
grade1 |
Indicated Tonnes by Cut-off
grade1 |
Gold Price |
0.14 g/t |
0.21 g/t |
0.27 g/t |
0.14 g/t |
0.21 g/t |
0.27 g/t |
$1,500 |
890,000 |
840,000 |
777,000 |
54,667,000 |
45,666,000 |
37,407,000 |
$1,400 |
883,000 |
835,000 |
772,000 |
54,051,000 |
45,224,000 |
37,081,000 |
$1,300 |
873,000 |
825,000 |
764,000 |
53,206,000 |
44,556,000 |
36,559,000 |
$1,200 |
864,000 |
817,000 |
756,000 |
52,442,000 |
43,960,000 |
36,114,000 |
$1,100 |
836,000 |
791,000 |
734,000 |
50,229,000 |
42,211,000 |
34,758,000 |
- Pit input parameters: Selling price $2.20/oz, Recovery 80%,
Mining cost $2/ton, Process cost + G&A $4/ton, Pit slope
50°
Table 3: Otis Gold – Inferred Resource
Estimate Matrix – Gold Price vs. Grade
|
Inferred Au Ounces by Cut-off
grade1 |
Inferred Tonnes by Cut-off grade1 |
Gold Price |
0.14 g/t |
0.21 g/t |
0.27 g/t |
0.14 g/t |
0.21 g/t |
0.27 g/t |
$1500 |
173,000 |
150,000 |
126,000 |
14,700,000 |
10,487,000 |
7,341,000 |
$1,400 |
166,000 |
144,000 |
121,000 |
14,029,000 |
10,008,000 |
7,017,000 |
$1,300 |
157,000 |
136,000 |
115,000 |
13,168,000 |
9,399,000 |
6,600,000 |
$1,200 |
148,000 |
129,000 |
109,000 |
12,295,000 |
8,781,000 |
6,189,000 |
$1,100 |
123,000 |
108,000 |
92,000 |
9,752,000 |
7,078,000 |
5,027,000 |
- Pit inputs parameters: Selling price 2.20/oz, Recovery 80%,
Mining cost $2/ton, Process + G&A cost $4/ton, Pit slope
50°
Otis Vice President of Exploration, Alan
Roberts, states, “The increase in the resource is an encouraging
step in the ongoing exploration at Kilgore since this has been
achieved without aggressive step-out drilling. This estimated
resource is contained within a single near surface pit with a
corresponding low strip ratio. I believe that there is more gold to
be found; the upcoming drill program offers the possibility of
adding new resources adjacent to the existing Kilgore Deposit. Our
2018 drill program will commence after permits have been received
and will first focus on step-out drilling around the Deposit. In
addition to the proposed drill program, an extensive project-wide
surface mapping and geochemical sampling program is underway; this
is part of ongoing exploration with the goal of identifying new
Kilgore-style deposits associated with the Kilgore Caldera
margin.”
The geologic model and mineral resource estimate
for Kilgore was completed by David Rowe, CPG, of Rowearth LLC, an
independent Qualified Person as defined by the National Instrument
43-101 - Standards of Disclosure for Mineral Projects (“NI 43-101”)
in accordance with the Canadian Institute of Mining, Metallurgy and
Petroleum, as the CIM Definition Standards on Mineral Resources and
Mineral Reserves adopted by CIM Council, as amended. The geologic
model was developed using Leapfrog Geo 4.3 in collaboration with
Otis geologists and consists of a gold shell that is sub-divided
into resource estimation domains based on structurally controlled
models for lithology and alteration. 12,144 ten-foot composite
samples were produced from 323 drill holes that are contained
within five modelled domains. The block model estimation was
produced with Leapfrog Edge and block gold grades were estimated
from the composite samples by ordinary kriging into a block model
with 20 ft x 20 ft x 10 ft parent blocks. Specific gravity (SG)
from 671 core samples was developed for the block model using
inverse distance cubed (ID3) estimation method. The mineral
resource was classified based on drill hole data and confidence in
the geologic model. Indicated Mineral Resource blocks are estimated
by at least 6 samples captured within a 130 x 130 x 100 ft search
range and require a minimum of 2 drill holes and samples captured
within at least 3 search octants. All estimated blocks not assigned
to the Indicated class within the gold shell are assigned to the
Inferred Mineral Resource.
Global Resource Engineering, Ltd of Denver,
Colorado constructed the open pit scenarios with reasonable
prospects of eventual economic extraction established from block
models using Vulcan’s Lerchs Grosman miner “Pit Optimizer”
software. A total of 21 pits were modelled based upon the imported
block models. Sensitivities were run at a gold price varying from
$1,500 to $500 per ounce gold price and gold cut-off grades varying
from 0.000 ounces per ton (opt), or zero cut-off, to 0.020 ounces
per ton cut-off; increments included 0.004 opt, 0.006 opt, 0.008
opt, 0.010 opt, and 0.015 opt. Tables 2 and 3 show a selection of
cut-off values that are considered optimum for the Kilgore Project.
Fixed input parameters included: gold recovery of 80%, selling cost
for gold of $2.20 per ounce, a mining cost of $2.00 per ton, a
processing cost of $4.00 per ton including $1.00 per ton G&A,
and a pit slope of 50 degrees.
All drilling samples were sent to ALS Minerals
in Reno, Nevada where they were analyzed by Fire Assay using a 50g
charge with AAS finish to determine gold values. Over-limit assays
greater than 10 grams per ton were analyzed by fire assay with
gravimetric finish. Selected drill samples were also analyzed for
an additional 33 elements by 4-acid digestion (HF-HNO3-HClO4 acid
digestion, HCl leach) and ICP-AES analysis. ALS geochemical
laboratories are accredited to ISO/IEC 17025:2017 for specific
analytical procedures, and ISO 9001:2015 and ISO/IEC 17025:2017 for
process and quality management systems. QA/QC procedures included
the insertion of blank samples, gold standards, and duplicate
samples into the sample stream. A check assay program was included
as part of the overall QA/QC protocol.
Alan Roberts, MSc, CPG, and Vice President of
Exploration, serves as the Qualified Person for this news release
and has reviewed and approved the technical content contained
herein. An NI 43-101 technical report will be filed on SEDAR within
45 days of the date of this news release.
Mineral resources that are not mineral reserves
do not have demonstrated economic viability. Inferred mineral
resources are that part of the mineral resource for which quantity
and grade or quality are estimated on the basis of limited geologic
evidence and sampling, which is sufficient to imply but not verify
grade or quality continuity. Inferred mineral resources may not be
converted to mineral reserves. It is reasonably expected, though
not guaranteed, that the majority of Inferred mineral resources
could be upgraded to Indicated mineral resources with continued
exploration. The mineral resources reported in this news release
were estimated using current Canadian Institute of Mining
Metallurgy and Petroleum (“CIM”) standards, definitions and
guidelines.
About the Kilgore ProjectThe
Kilgore Project lies on the north-eastern margin of the
Miocene-Pliocene Kilgore Caldera complex in the Eastern Snake River
Plain, Idaho. The Kilgore Project contains the Kilgore Deposit with
a current NI 43-101 compliant resource: Indicated Resource of
825,000 ounces Au in 44.6 million tonnes at a grade of 0.58 g/t Au
and an Inferred Resource of 136,000 ounces Au in 9.4 million tonnes
at a grade of 0.45 g/t Au (the “Deposit”). The Kilgore Deposit
is a low-sulphidation, gold bearing, quartz-adularia epithermal
system hosted in Tertiary volcanic rocks, local Tertiary intrusive
rocks, and basement Late Cretaceous, Aspen Formation sedimentary
rocks.
About the Company Otis is
a resource company focused on the acquisition, exploration, and
development of precious metal deposits in Idaho, USA. Otis is
currently developing its flagship property, the Kilgore Project,
located in Clark County, Idaho and the Oakley Project, located in
Cassia County, Idaho.
ON BEHALF OF THE BOARD
“Craig T. Lindsay”
President & CEO
For additional information, please contact:
Mr. Tony Perri – Corporate Development
Tel: (604) 424-8100 Email: tony@otisgold.com
Neither TSX Venture Exchange nor its Regulation
Services Provider (as defined in the policies of the TSX Venture
Exchange) accepts responsibility for the adequacy or accuracy
of this release.
This News Release does not constitute an offer
to sell or a solicitation of an offer to sell any securities in the
United States. The securities have not been and will not be
registered under the United States Securities Act of 1933, as
amended (the “US Securities Act”) or any State securities laws, and
may not be offered or sold within the United States or to US
Persons unless registered under the US Securities Act and
applicable State securities laws, or an exemption from such
registration is available.
Forward Looking Statements
Certain information in this news release
contains forward-looking statements and forward-looking information
within the meaning of applicable securities laws. All statements,
other than statements of historical fact are forward-looking
statements. Forward-looking statements are based on the beliefs and
expectations of Otis as well as assumptions made by and information
currently available to Otis's management. Such statements reflect
the current risks, uncertainties and assumptions related to certain
factors including, without limitations, drilling results, the
Company's expectations regarding mineral resource calculations,
capital and other costs varying significantly from estimates,
production rates varying from estimates, changes in world metal
markets, changes in equity markets, uncertainties relating to the
availability and costs of financing needed in the future, equipment
failure, unexpected geological conditions, imprecision in resource
estimates or metal recoveries, success of future development
initiatives, competition, operating performance, environmental and
safety risks, delays in obtaining or failure to obtain necessary
permits and approvals from local authorities, community agreements
and relations, and other development and operating risks. Should
any one or more of these risks or uncertainties materialize, or
should any underlying assumptions prove incorrect, actual results
may vary materially from those described herein. Although Otis
believes that assumptions inherent in the forward-looking
statements are reasonable, forward-looking statements are not
guarantees of future performance and accordingly undue reliance
should not be put on such statements due to the inherent
uncertainty therein. Except as may be required by applicable
securities laws, Otis disclaims any intent or obligation to update
any forward-looking statement.
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