The document discusses the discovery of the Artemis Cu-Au deposit in northwest Queensland, Australia by Minotaur Exploration Limited. Key points include:
- The deposit was discovered in July 2014 through airborne and ground electromagnetic geophysical surveys which identified a high conductivity body. Drill testing intersected thick massive sulfide mineralization grading up to 3% copper and 3.8 g/t gold.
- Artemis is characterized as a blind, structurally controlled massive sulfide deposit with no significant magnetic or gravity signature. Mineralogical associations are similar to the nearby Eloise copper mine.
- An accelerated $6 million work program is proposed to further define the deposit through systematic drilling,
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In Safe Mining Friendly Nevada and Utah
• Gold Springs Project: 78 Sq Km property with District Scale Potenal
Geophysics (ZTEM) has been a great tool for finding gold
Focus is Jumbo Structural Trend - potenal
for 2 to 3 Moz.
Strategy is to greatly expand the Jumbo resource in 2017
Highly prospecve
property – potenal
for 3-5 Moz
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Investor presentation delivered by Impact Minerals' Managing Director Dr Michael Jones, at the Gold Investment Symposium held in Sydney, 8th and 9th October 2014
TriMetals Mining Inc. april-2017-corporate-presentationChris Helweg
TriMetals is Focused on The Gold Springs Project
In Safe Mining Friendly Nevada and Utah
• Gold Springs Project: 78 Sq Km property with District Scale Potenal
Geophysics (ZTEM) has been a great tool for finding gold
Focus is Jumbo Structural Trend - potenal
for 2 to 3 Moz.
Strategy is to greatly expand the Jumbo resource in 2017
Highly prospecve
property – potenal
for 3-5 Moz
Review of the geological setting, genesis, exploration criteria, and uranium supply/demand. Concludes with a review of paradigm shifts in uranium exploration process over time.
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Sokoman Minerals Corp. is a discovery-oriented company with projects in the province of Newfoundland and Labrador, Canada. The Company’s primary focus is its portfolio of gold projects; flagship, advanced-stage Moosehead, Crippleback Lake (optioned to Trans Canada Gold Corp.) and East Alder (optioned to Canterra Minerals Corporation) along the Central Newfoundland Gold Belt, and the district-scale Fleur de Lys project in northwestern Newfoundland, that is targeting Dalradian-type orogenic gold mineralization similar to the Curraghinalt and Cavanacaw deposits in Northern Ireland. The Company also recently entered into a strategic alliance with Benton Resources Inc. through three, large-scale, joint-venture properties including Grey River, Golden Hope, and Kepenkeck in Newfoundland.
Sokoman now controls, independently and through the Benton alliance, over 150,000 hectares (>6,000 claims – 1500 sq. km), making it one of the largest landholders in Newfoundland, in Canada’s newest and rapidly-emerging gold districts. The Company also retains an interest in an early-stage antimony/gold project (Startrek) in Newfoundland, optioned to White Metal Resources Inc., and in Labrador, the Company has a 100% interest in the Iron Horse (Fe) project which has Direct Shipping Ore (DSO) potential.
Sokoman Minerals Corp. is a discovery-oriented company with projects in Newfoundland and Labrador, Canada. The company’s primary focus is its portfolio of gold projects: flagship, 100%-owned Moosehead, Crippleback Lake, and East Alder (optioned to Canterra Minerals Corporation) along the Central Newfoundland Gold Belt, and the district-scale Fleur de Lys project in northwestern Newfoundland, that is targeting Dalradian-type orogenic gold mineralization similar to the Curraghinalt and Cavanacaw deposits in Northern Ireland, and Cononish in Scotland. The company has also entered into a strategic alliance (the Alliance) with Benton Resources Inc. through three large-scale joint-venture properties including Grey River Gold, Golden Hope and Kepenkeck on the island of Newfoundland. Sokoman now controls independently and through the Alliance over 150,000 hectares (>6,000 claims – 1,500 sq. km), making it one of the largest landholders in Newfoundland, Canada’s newest and rapidly-emerging gold district. Sokoman also retains an interest in an early-stage antimony/gold project (Startrek) in Newfoundland, optioned to White Metal Resources Inc., and in Labrador, the company has a 100% interest in the Iron Horse (Fe) project that has Direct Shipping Ore (DSO) potential.
3D Mineral Potential Modelling and Greenfields Exploration in QueenslandGlassTerra
3D Mineral Potential Modelling and Greenfields Exploration in Queensland
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Department of Natural Resources and Mines
Collective Mining | Corporate Presentation - May 2024
The Artemis Cu-Au Deposit by A.P.Belperio
1. 1
Minotaur Exploration Limited | ASX: MEP
The Artemis Cu-Au Deposit
A. P. Belperio
The Mining 2014 Resources Convention
Brisbane, 30 October 2014
2. 2
Cloncurry Cu-Au
This time last year
• Minotaur merger with BRW
was underway primarily to
gain access to the BRW
Eloise tenements
• The $6M Eloise JV poised
to commence with private
equity partner GFR
• The best available AEM
system at the time was
poised to commence flying
3. 3
Artemis Cu-Au Discovery
Artemis polymetallic Cu-Au-Zn-Ag discovery
was announced 31 July 2014.
• How was the discovery made?
• What is it?
• What are the plans going forward?
4. 4
IOCG - ISCG
IOCG Focus Areas
• Gawler Craton
• Cloncurry
Mineralisation Styles
• Haematite-hosted IOCG
• Magnetite-hosted IOCG
• Pyrrhotite-hosted ISCG
Targeting undercover, particularly the
highly reduced and conductive cover
marginal to Cloncurry, necessitates a
focused and selective geophysical
approach
5. 5
IOCG – ISCG Geophysical characteristics
IOCG deposits (magnetite-rich)
(Ernest Henry, Osborne, Mt Elliott-Swan):
Significant positive magnetic anomalies
Positive gravity anomalies
Strong IP chargeability anomalies
Weak to no EM anomalies
Broad alteration haloes
Osborne
ISCG deposits (pyrrhotite-rich)
(Eloise, Artemis, Kulthor, East Osborne, Lady Clayre, Cormorant):
No positive magnetic anomalies
Limited gravity anomalism
Limited alteration haloes
Positive IP chargeability anomalies
Strong ground EM anomalies
Ernest Henry
Kulthor
Eloise
Artemis
6. 6
Cormorant ISCG
JOGMEC JV
• Several years of work on the Naraku tenements
north of Cloncurry
• Successfully penetrated ultra-conductive cover
beneath black soil plains
• Major Iron Sulphide Copper Gold system (ISCG)
encountered
• 15km, 20+m thick, massive & breccia pyrrhotite,
persistently mineralised Cu-Au-Co
MIN04 : 20m @ 0.2% Cu, 0.02% Co from 160m
MIN07 : 56m @ 0.1% Cu, 0.03 g/t Au from 186m
MIN10 : 72m @ 0.21% Cu, 0.02% Co from 414m
Cormorant
7. 7
Eloise ISCG
Shift towards Eloise driven by:
• Recognition of the ISCG style as a
significant and different style of Cu-Au
mineralisation
• Understanding of different exploration
tools required, particularly EM and AEM
• Requirement for shallower ground that
would allow airborne techniques to be
used as a more rapid screening tool
8. 8
Eloise JV
November 2013
• $1.7M Year 1 Work Program
commenced
Primary AEM survey
(Nov-Dec13)
Ground EM follow-up at
16 targets (Feb-Apr14)
Drill test 10 best targets
(May-July 2014)
9. 9
EVT54
Late-time, Z-component VTEM image
VTEM target EVT 54
Late-time VTEM image and line profile
• VTEM target EVT54 of particular
interest – 350m west of the Sandy
Creek inferred resource (see slide 19)
• Outcropping BIF and some ironstone
“gossan” had attracted some past
attention, some historic EM, and “sniffs”
of copper and gold mineralisation
encountered
• EVT54 therefore became a priority
target for ground EM follow-up
10. 10
EVT54
Late-time, Z-component VTEM image
VTEM Target EVT 54 - Ground EM
• Ground EM at EVT54 confirmed a
steeply dipping, high conductance
body, from c. 80m below ground level
• Original plate model from the fixed
loop ground EM neatly fitted between
historic drillholes in the vicinity
• EVT54 recommended as the premier
target based on conductance and
associated gold and copper hits
nearby.
• Drillhole EL14D09 successfully tested
the target, named Artemis
11. 11
Artemis
• Discovery hole 22m @ 3.02% Cu, 3.81 g/t
Au, 6.64% Zn, 1.35% Pb, 112 g/t Ag from 157 to
179 m
• Two further holes 50m up-dip and
down-dip
• Drillhole EL14D10 : 21m @ 0.84% Cu, 0.73
g/t Au, 5.06% Zn,, 1.85% Pb, 69 g/t Ag
• Drillhole EL14D12 : 24m @ 1.58% Cu, 2.12
g/t Au, 4.74% Zn, 1.13% Pb, 54 g/t Ag
• 122m vertical section drilled to date
plus down-hole EM can “see” a further
50m incrementally
• Drilling suspended to allow new
heritage clearance surveys, new
geophysics, planning of systematic drill
programs and Joint Venture approvals.
12. 12
Artemis
What is Artemis:
• Blind deposit of late fracture fill
massive sulphide
• Fe-Cu-Zn-Pb sulphides. Very limited
alteration halo or host rock brecciation
• Steep, tabular body, structurally
controlled. No significant magnetic or
gravity expression
• Responsive to Down-hole and Across-hole
EM
13. 13
Artemis Drillhole EL14D09
166.6m: coarse, massive sulphides including chalcopyrite (yellow), sphalerite (black),
pyrrhotite (bronze-grey) and calcite (white to pale grey) – no host rock brecciation.
Metre interval assay: 36% Fe, 2.7% Cu, 1.5 ppm Au, 6.7% Zn, 1.1% Pb, 111 ppm Ag
15. 15
Artemis – Eloise Comparison
• Mineralogical associations (Eloise after Baker, 1998)
Element Artemis Eloise Major mineral
EL14D09
Fe 20-38% - Pyrrhotite
Cu 0.2-8% 0.1-25% Chalcopyrite
Zn 0.02-14% 0.1-1.0% Sphalerite
Au 0.1-20 ppm 0.1-15 ppm Electrum
Ag 0.1-289 ppm 0.1-60 ppm Electrum
Pb 0.1-36,000 ppm 0.1-300 ppm Galena
As 0.1-9000 ppm 0.1-500 ppm Arsenopyrite
Bi 0.1-500ppm 0.1-100 ppm Bismuthinite
Co 0.1-2200 ppm 5-750 ppm Cobaltite
Bright whitish-yellow gold grains (or
possible electrum) (2μm to 20μm)
circled, mostly in pyrrhotite, some in and
on margins of chalcopyrite.
16. 16
Artemis
• Re-surveying of historic drill holes in
the immediate vicinity allowed
earlier mineralisation to be placed in
context
• Rock chip sampling has tracked
controlling structure for 400m north
and 400m south
• New ground geophysics underway
to aid drill collar siting
• Numerous similarities to the Eloise
Cu-Au mine have been noted:
17. 17
Artemis – Eloise Comparison
• Mineralogical association, tabular parameters and structural
style at Artemis appear similar to Eloise
• Eloise comprise a number of offset massive sulphide lenses
of short strike length (<200m) but great down dip extent
• Early evidence at Artemis similarly suggests late brittle
structures exert significant control on mineralised slabs.
18. 18
Artemis – Eloise Comparison
• Eloise had an original resource at
Decision To Mine of 3.1 Mt @ 5.5%
Cu, 1.4 g/t Au and 16 g/t Ag (Amalg
1996)
• Since 1996, over 10 Mt has been
mined at an average grade of 3.50%
Cu, 0.93 g/t Au. Mining currently
continues below the -1300m level
• From what we currently know of
Artemis – the first 3 drillhole
intercepts and EM conductor plates
neatly fit the Eloise mineralisation
long section model
• Expect clarification as down dip
drilling advances.
19. 19
Artemis
Relation to Sandy Creek
• New geophysical surveys underway
• Common surveys to extend north,
south and east to Sandy Creek
• Looking for potential linkages to
Sandy Creek and other historic
mineralisation
• Sandy Creek inferred resource :
2.0 Mt @ 1.32% Cu, 0.30 g/t Au and
open below 200-250m depth. A
peripheral zinc zone to the south
has not been properly investigated.
A resource of 2.0 Mt @ 1.32% Cu, 0.30 g/t Au for 26,400 t contained copper and 21,400 oz contained gold at the Sandy Creek deposit was estimated by Optiro for Breakaway Resources
in 2013 and classified by the Competent Person, Mr Michael Andrew, as an Inferred Resource under the 2012 JORC Code. See Breakaway Resources ASX Release 26 February 2013.
Minotaur further confirms that it is not aware of any new information or data that materially affects the information included in that announcement and that all material assumptions and
technical parameters underpinning the estimates in that announcement continue to apply and have not materially changed.
21. 21
Artemis – Proposed Work
Accelerated $6M workplan from
Oct 2014 to Jun 2015
• Systematic drill testing at Artemis
• Along strike and down dip extent
to be guided by systematic downhole surveys
• Thickness – grade variation mapping
• 40+ holes, 18,000m, 2 DDH Rigs
• Metallurgy, petrology and resource definition
• Along-structure extensions to north and south
22. 22
Artemis – Proposed Work
Accelerated $6M workplan from
Oct 2014 to Jun 2015
• Systematic drill testing at Artemis
• Along strike and down dip extent
to be guided by systematic downhole surveys
• Thickness – grade variation mapping
• 40+ holes, 18,000m, 2 DDH Rigs
• Metallurgy, petrology and resource definition
Artemis
• Along-structure extensions to north and Sandy south
Creek
• Connections with Sandy Creek and greater Artemis area
• Greenfield targeting: Drill testing a further 10 regional target
• Greenfield targeting: Deep EM along the Levuka Shear
23. 23
Artemis – Proposed Work
Accelerated $6M workplan from
Oct 2014 to Jun 2015
• Systematic drill testing at Artemis
• Along strike and down dip extent
to be guided by systematic downhole surveys
• Thickness – grade variation mapping
• 40+ holes, 18,000m, 2 DDH Rigs
• Metallurgy, petrology and resource definition
• Along-structure extensions to north and south
• Connections with Sandy Creek and greater Artemis area
• Greenfield targeting: Drill testing a further 10 regional targets
• Greenfield targeting: Deep EM along the Levuka Shear
24. 24
Artemis – Proposed Work
Accelerated $6M workplan from
Oct 2014 to Jun 2015
• Systematic drill testing at Artemis
• Along strike and down dip extent
to be guided by systematic downhole surveys
• Thickness – grade variation mapping
• 40+ holes, 18,000m, 2 DDH Rigs
• Metallurgy, petrology and resource definition
• Along-structure extensions to north and south
• Connections with Sandy Creek and greater Artemis area
• Greenfield targeting: Drill testing a further 10 regional targets
• Greenfield targeting: Deep EM along the Levuka Shear
25. 25
Disclaimer
Disclaimer
This presentation has been prepared by the management of Minotaur Exploration Limited (“Minotaur”, ASX: MEP) for the general benefit of analysts, brokers and
investors and does not constitute specific advice to any particular party or persons. Information herein is based on publicly available information, internally developed
data and other sources. Where an opinion, projection or forward looking statement is expressed in this presentation, it is based on the assumptions and limitations
mentioned herein and is an expression of present opinion only. No warranties or representations are made or implied as to origin, validity, accuracy, completeness,
currency or reliability of the information. Minotaur specifically disclaims and excludes all liability (to the extent permitted by law) for losses, claims, damages, demands,
costs and expenses of whatever nature arising in any way out of or in connection with the information, its accuracy, completeness or by reason of reliance by any
person on any of it. Where Minotaur expresses or implies an expectation or belief as to the success of future exploration and the economic viability of future project
evaluations, such expectation or belief is expressed in good faith and is believed to have a reasonable basis. However, such projected outcomes are subject to risks,
uncertainties and other factors which could cause actual results to differ materially from projected future results. Such risks include, but are not limited to, exploration
success, metal price volatility, changes to current mineral resource estimates or targets, changes to assumptions for capital and operating costs as well as political and
operational risks and government regulatory outcomes. MEP disclaims any obligation to advise any person if it becomes aware of any inaccuracy in or omission from
any forecast or to update such forecast.
Competent Person’s Statement
Information in this presentation that relates to exploration results for Minotaur Exploration Ltd is based on information compiled by Dr. A. P. Belperio, who is a Director
and full-time employee of the Company and a Fellow of the Australian Institute of Mining and Metallurgy. Dr. Belperio has sufficient experience relevant to the style of
mineralisation and type of deposits under consideration and to the activity that he has undertaken to qualify as a Competent Person as defined in the 2012 Edition of
the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves” (JORC Code). Dr. Belperio consents to inclusion of this information
in the form and context in which it appears.
Artemis
Daughter of Zeus and Leto and the twin sister of Apollo. She was the Hellenic goddess of the hunt.