sierra leone coltan, tin, gold, ree, diamond february 2016

19
Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016 `````````````016

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Page 1: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Sierra Leone – Coltan, Tin, Gold, REE, Diamond

February 2016

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Page 2: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Exploration License Locations

2

Sierra Leone

Guinea

LiberiaIvory Coast

Mali

Senegal

G.Bissau Burkina Faso

Ghana

Mauritania

Licence Number

Surface Area

of renewed

EL’s in km²

Exploration Prospects

EL 48/2011 159.2

(242.9)

Laminaia South, Kindia,

Diamond – Kampala, Cheng

Feng

EL 49/2011 147 (245.5) Khatanta – WH (SSML),

Kasasi, Manahun,

EL 50/2011 182.4

(247.3) Ranongo north (SSML)

EL. 47/2011 250

Gori Hills – (Licence

available to AMRG but not

triggered)

AMR Gold Exploration Licences

Page 3: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Summary

3

• AMRG have spent ~US$14mm carrying out exploration and evaluation programmes

over their 3 Exclusive Exploration Licences in the Loko Hills area of Bombali District

since the granting of the licences in 2011.

• In the initial 4 years using a combination of geological mapping, prospecting, structural

mapping, stream sediment and soil samples, geophysical surveying, trenching/pitting

and drilling AMRG identified 5 priority gold targets and 3 coltan, cassiterite, gold

targets.

• Detailed bulk sampling in the Ranongo has identified an initial 20,000 oz “JORC”

compliant eluvial gold resource open to the south for 8km as well as the potential for

gold in the underlying bedrock source rock.

• AMRG have also identified 3 priority coltan, cassiterite, gold targets. Over one of the

targets in the Wilkinson Hill area detailed trenching and pitting have defined a maiden

500 tonne resource.

• AMRG have also identified a very prospective REE target as well as an attractive

alluvial/kimberlite diamond

Page 4: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Tenure plan showing areas relinquished in yellow and areas retained in white for EL’s 48/ 49/ 50/2011

4

Relinquished Area

98km² = 40%

Relinquished Area

83.7km² = 35%

Relinquished Area

152.8km² = 61%

Ranongo North - eluvial

+20,000 oz Au in SSML

Ranongo South

Southern extension of Ranongo North

Strike length +8km

Kindia

Highly anomalous gold, REE, Ta,

Nb, Sn stream sediment results

Diamond

Strong IM anomalies excellent quality

alluvial diamonds – kimberlite float

Wilkinson Hill

Initial SSML 500T Coltan to 2.75m with

depth upside –19 peripheral swamps with

>0.5g/m³ potential based on 204 AMRG pits

Page 5: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Summary continued

• AMRG worked through the entire period of the ebola crisis and made

significant contributions to the containment and treatment of quarantined

people.

• The Wilkinson Hill Mining Company was established and were granted a 1

km2 Small Scale Mining Licence in January 2016 over an area close to the

village of Kathanta. To date bulk sampling and pilot scale mining have been

undertaken on the ~500 tonne resource.

• The Wilkinson Hill Mining Company have been granted a coltan buying

licence.

• First exports of coltan by the company will be made in Feburary 2016.

• The 2011 Exploration Licence renewals have now been granted giving

AMRG exclusive rights over a reduced 488 km2 area to continue it’s

evaluation programmes.

• AMRG started in 2011 with 15 expatriates – due to training and knowledge

transfer the company has only 1 expatriate in it’s in- country management

team.

Page 6: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Wilkinson Hill - Coltan – Gold- Cassiterite, initial eluvial targets

Laterite

Granite

6

Main Artisanal Alluvial Workings

20-40 tonnes per month from

swamps draining Wilkinson Hill

Basement

>10ppm Sn geochem zone

Extent of geochem cover

Artisanal gold

workings

Target 1

1 km² SSML

Target 2

Target 3

>5ppm Sn geochem

contour = footprint ~6 km²

= ~resource boundary

Approx boundary

of prospective

Wilkinson Hill

Basement

500 m

E-W section

See next slide

Alluvial pit results >0.5 kg/m³

@ between 10-36% Ta2O5

AMRG SSML swamp

Potential resource extension

Page 7: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Coltan – Bedrock, Eluvial, Alluvial Schematic Model

7

Swamp

Pegmatite veins

containing coltan

depth of weathering

2 to 5 m

“Alluvial”

concentrations

W E

Wilkinson Hill

Alluvial new/re-mining of

high grade swamps

AMRG SSML ~500

tonnes + 5000 in

proximal swamps

Typical evaluation trench

Open pit eluvial mining to

depths of ~2 m – no

blasting ~ 10,000 t coltan +

Sn + Au resource

Open pit selective bedrock

mining to 50 m est resource

50,000 t coltan + Sn + Au

open at depth

Processing is simple using gravity separation for coltan, gold and cassiterite

Page 8: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Wilkinson Hill

8

>5ppm Sn geochem boundary

Test pits

WHTR1

WHTR2

WHTR2A

WHTR3

WHTR4

WHTR5

WHTR6

WHTR7

WHTR2B

WHTR5B WHTR5A

Fintan workings

SSML Application

Swamp boundary

Artisanal gold workings

TR1 - 50m trial trench

Ave grade 358g/ton

Processing Plant

Trench Status

Excavated zone

Scout panning completed

Planned Trench

70m @ 480

65m @ 712

185m @ 619

175m @ 784

110m @ 493 35m @ 562

90m @ 810 35m @ 686

155m @ 447

150m @ 520

Raw Coltan interval and grade g/m³

100m @ 840

100m @ 899

Grade in gravel

Grade in bedrock

Gossan zone

165m @ 915

145m @ 701

0 200 400 600 800

0 200 400 600

0 200 400 600 800

0 200 400

0 200 400 600 800

0 200 400 600 800

0 200 400 600

WHTR10

5m @ 372 45m @ 662

55m @ 449

200m @ 683

190m @ 509

45m @ 306 35m @ 662

45m @ 532 35m @ 728

Excavated Mini Trench

Initial Mining Area

Page 9: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Minatura 25m³/hr plant – photo taken from stockpile looking southwest

9

Page 10: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Secondary jig and Knelson concentrator flow sheet

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Feed from secondary jig flows to Knelson

centrifugal HM concentrator. Ultra fines flow

from Knelson into a sluice box to optimise

capture of heavy minerals.

Knelson is emptied approx. every four hours

with HMC taken to shaking tables for

separation of coltan, gold and cassiterite.

Coltan concentrate Gold

Page 11: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Co-operative artisanal mining

• AMRG have taken the view that one way to reduce the amount of illegal artisanal mining that is

supported by irresponsible entrepreneurs and brings no community benefit as well as causing

widespread and permanent environmental damage is by initiating a system of cooperative

artisanal mining (CAMS).

• CAMS will provide sustainable employment/ incomes – support local community projects and

ensure mined areas are re-habilitated to provide areas for agriculture and better water

management as well as providing a source of coltan for AMRG to market to ensure the local

miners receive a fair deal.

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Page 12: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Cooperative Artisanal Mining

AMRG have initiated the setting up of 2 Artisanal Mining Cooperatives, one

SEMCO in the Sella Limba Chiefdom and SALCOM in the Sanda Loko Chiefdom

In the SEMCO cooperative there are 2 groups, Kamasortha and Katheri and in the

SALCOM cooperative there are also 2 groups, Siria and Togbuhun

AMRG has supplied picks, shovels, head pans, jigs/sluices and water pumps to

the cooperatives and have given them training in H&S and efficient mining /

processing techniques.

In total the cooperatives employ around 290 persons and at present the target is,

within a 3 month period which is supported financially by AMRG, that the

cooperatives should be self sustaining.

All coltan produced by the cooperatives is weighed and recorded on a daily basis

and stored in an AMRG secure facility. All production is reported to the NMA.

Page 13: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

AMR Gold Community and Environment Vision and Values

• AMR Gold’s aim is to empower the communities, in particular the youth

and female sectors, to secure an appropriate standard of living through

community based sustainable development initiatives working in

partnerships with local stakeholders in the community, government and

both international and national agencies.

• AMR Gold’s approach is to provide capacity building and funding

support to the Chiefdom Development Committees for sustainable

development initiatives. These initiatives should be identified by the

Committee and be inline with the Sierra Leone Strategic Development

Plan (Agenda for Change) and the Millennium Development Goals.

From August 2011 to date AMR Gold have spent US$662,000

on Community and Environment Projects

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Page 14: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Environment and Community Projects

• Community development is a key factor in AMR Gold’s strategic policy.

• Maintaining strong links and close relationships with the leaders and members of local

communities is a key factor of AMR Gold operations.

• All community projects are selected in consultation with community leaders after full analysis of

community needs.

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Bridges

Page 15: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Environment and Community Projects

School Materials

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Page 16: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Environment and Community Projects

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Agriculture - Supporting Women’s Farming

Page 17: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Environment and Community Projects

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Water Supply Projects

Page 18: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Environment and Community Projects

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Medical Equipment Donations

Page 19: Sierra Leone Coltan, Tin, Gold, REE, Diamond February 2016

Thank you for your attention