Presentation: Gold, Silver & Copper in Chile - Proactive Investors

AIM & PLUS: MARL
Gold, Silver & Copper in Chile & Argentina
July 2008
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JOHN SUTCLIFFE, M.D. - 30 years in South America
El Valle, Spain, Gold discovery,
Rio Narcea Mine
Rio Blanco, Ecuador, Gold discovery,
mine in development
Pallancata, Peru, Silver-Gold discovery
mining started July 2007
Dos Amigos, Chile, Copper,
producing copper Mine
JOHN HORSBURGH, Chairman
Co-founder Solomon Pacific & Cullen Resources
Brocks Creek, N. Territory, Gold discovery,
mine to takeover
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The 2 Johns Team

Grahame Hamilton
Exec Director
Roger Thomson
Non-Exec Director
Ray Angus
Non-Exec Director
Walter Espinosa
G.M. Chile
Dr. Raul Guzman
G.M. & Attorney, Ecuador
Dr. Gustavo Rodriguez
G.M. Argentina
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The “A Team”

The Projects
CHILE
BUENAVENTURA
PERRO CHICO
copper gold
copper gold
ARGENTINA
SANTA CRUZ JV
SANTA CRUZ
LA BORITA
bonanza silver
Mariana applications
copper
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6
B. Aires

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The Partners

San Jose (1.5 Moz Au eq)
Cerro Negro (2.3 Moz Au eq)
La Paloma (0.5 Moz)
SIERRA BLANCA
Pinguino
Don Nicolas (0.3 Moz)
Cerro Vanguardia (6 Moz Au)
Cerro Moro
Mina Marta (6 Moz Ag)
Manantial Espejo (1.3 Moz Au eq)
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Sierra Blanca – IAMGOLD JV
Pingüino Concession
Cañandon Largo Concession
Sierra Blanca Concession
SB 1, 2
SB 13 SB 14
SB 9, 10
CL 3, 4
SB 11, 12
SB 3, 4
SB 6
SB 7, 8
CL1, 2
JV areas
Argentex discovery:
8.8m @ 1,095 g/t Ag, 0.9 g/t Au
1.9m @ 917 g/t Ag, 8.3 g/t Au
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Sierra Blanca -Targets
Cerro Bola
Lucila
Veta Chala
Veta Chala
Modern cover
Tertiary basalts
Ignimbrites
Volcaniclastics
Continental sediments
Drill holes
Vein pattern (~30 km)
Hydrothermal alteration
Vetarron
Vetarron
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Veta Chala, - channel sampling
9.4m @ 2,362 g/t silver (76 oz/t)
!"!)5%&!/3&'&(&4.$)"&*+,&-*.&!/5&*+,&-0&
!"!)4%&!.)&'&(&144&*+,&-*.&"/4&*+,&-0&&
!"!)2%&!&'&(&).#2"&*+,&-*.&!/4&*+,&-0&
!"!#"%&"/2&'&(&&3.11"&*+,&-*.&"/5&*+,&-0&
!"!#!%&!&'&(&3.#3"&*+,&-*.&3/1&*+,&-0&&
!"!#3%&!&'&(&&!.4)$&*+,&-*.&3/"&*+,&-0&
!"!#)%&!&'&(&&#3!&*+,&-*.&"/)&*+,&-0&&
!"!##%&!&'&(&!.12$&*+,&-*.&!/1&*+,&-0&
!"!#$%&!&'&(&!)"&*+,&-*.&"/"$&*+,&-0&
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Veta Chala, - trenching (in red)
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Chala - 2,300m combined vein length, 1,690m with bonanza to high grade Ag/Au

The Partners
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Veta Chala, - trenching

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Veta Chala - Channel sampling results

Veta Chala, - silver minerals
Cerargyrite, AgCl
Native silver
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The Partners
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Veta Chala, up to 25 g/t gold in outcrop

Cerro Bola
Lucila
Veta Chala
Veta Chala
Modern cover
Tertiary basalts
Ignimbrites
Volcaniclastics
Continental sediments
Vein pattern (~30 km)
Hydrothermal alteration
Vetarron
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Veta Chala – Lucila, a 4 km vein trend

Lucila Vein,
1.8 km long
Low temperature silica
Gold, silver & pathfinder anomalies
Marked IP & Resistivity anomalies
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Lucilla vein, - a ‘high level’ epithermal vein

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Lucila Zone, IP (upper) & resistivity (lower)

Veta Chala
Cerro Bola
Modern cover
Tertiary basalts
Ignimbrites
Volcaniclastics
Continental sediments
Vein pattern (~30 km)
Hydrothermal alteration
Vetarron
Vetarron
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Vetarron, a large vein system

Vetarron Zone
1.6 km long, 350 m wide
marked IP and Resistivity anomaly
multiple stockworks and breccias
anomalous gold (up to 10.6 g/t) in rock
strong pathfinders (Hg, Sb, As) indicates high ‘epithermal level’
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Vetarron IP (top) & Resistivity

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Vetarron, - vein breccias

Amigo area
Pampa de Tongoril
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Mariana – New Concession Applications (> 100,000 Ha)

Amigo area, with up to 240 g/t Ag,
0.4 g/t Au in recce samples
Amigo sinter detail
Pampa de Tongoril, vein breccia
Bozal II area, vein stockwork 196 g/t Ag,
0.22 g/t Au
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New concession areas, - features of interest

Puruya
La Borita
Alumbrera
390 Mt @ 0.5% Cu, 0.5 g/t Au
Aerial Mag Low anomaly
Travertine Cu deposit
Agua Rica
750 Mt
0.6% Cu,
0.2 g/t Au
•! Mining-friendly Catamarca Province
•! Copper-bearing travertine overlying
impressive magnetic low
•! Option to purchase 100% - $900,000
over 4 yrs
•! Positive geophysical survey (Quantec)
•! Mag and IP data show common
signature of low-magnetite porphyries
La Borita Group
Of Concessions
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La Borita - copper bearing travertines overlaying geophysical anomaly

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Chile – a prime exploration destination

36b
Atacama Fault Zone, - worlds largest concentration of IOCG’s

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Gravity geophysics will test for concealed targets

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Copper mineralization in specularite breccias

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Buenaventura Project, gravity anomalies

Belleza Zone
Carolina Zone
Cerro Negro Zone
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Perro Chico – copper-gold in skarns & breccias IOCG potential

350.000
355.000
360.000
6.910.000
Belleza Zone
Carolina Zone
6.905.000
6.900.000
2 km
Option Area
Mariana applications
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Perro Chico concessions (100% Mariana)

500 m zone of copper skarn mineralization
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Belleza Zone (looking E)

Perro Chico Property
PC-16
1m
0.9 % Cu
0.3 g/t Au
PC-17
0.9m
1.9 % Cu
1.4 g/t Au
PC-18
1.05m
4.3 % Cu
1.0 g/t Au
PC-20
1.05m
0.8 % Cu
0.1 g/tn Au
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Manto de Belleza, old workings - with up to 4% Cu

Quito
C o l o m bi a
•!
•!
E C U A D O R
World-class gold/copper discoveries
Draft mining law being expected shortly
E c u a d o r
FIERRO URCO JV (APEX SILVER)
•! Apex earning 70%, - JV on hold
•! Bonanza gold grades
Fierro Urco
La Virgen
Quimsacocha
FDN
(Aurelian)
Major gold
deposits
Mariana
Projects
•!
LA VIRGEN (MARIANA 100%)
Veins with bonanza gold,
P e r u
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Ecuador – mining companies await new rules

Capital Structure
!! AIM and PLUS listed - “MARL”
!! Mariana Resources (Guernsey) Share-issuing entity
!! 54.6 M ISSUED CAPITAL
!! OPTIONS 14.1 M
!! DIRECTORS/MANAGEMENT 14.5% OF ISSUED CAP
!! MARKET CAP APPROX. £ 4.6 M
!! TRADING RANGE £0.20 – 0.07
June 2008
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Capital Structure
Significant shareholders >3% holding (as at 30 June 2008)
No. of shares
held!
% held!
Morgan Stanley Nominees Limited 5,100,000! 9.35!
Credit Suisse Client Client Services
(UK) Ltd 4,950,000! 9.07!
BNP Paribas (UK) Ltd 3,818,352! 7.00
Roy Nominees Limited 3,805,000! 6.97!
Chase Nominees Limited 3,400,000! 6.23!
Raymond Angus 3,154,300! 5.78
Apex Silver Mines Ltd 3,117,500 5.71
Goldman Sachs Securities
(Nominees) Limited 2,725,000! 5.00!
Total! 30,070,152! 55.12!
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An investment in Mariana
!! Bonanza silver discovery in Santa Cruz
!! Highly prospective targets
!! Drilling 5 targets 2008
!! Globally recognized partners
!! Discovery-driven team
!! Stock tightly held, 120 shareholders
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