Tuesday, December 27, 2011

Tipos de trituradora de piedra

Las trituradoras de piedra http://www.stone-crusher.org/es/stone-crusher.html contienen la trituradora de mandíbulas (en bruto de trituración, molienda media, trituración fina), la trituradora de impacto, trituradora de cono, trituradora de martillos, etc. Las trituradoras de piedra son ampliamente utilizadas como equipos para minería, metalurgia, construcción, química, petroquímica, transporte, energía, industria de material de la construcción, adecuado para la trituración de rocas duras, medio duros y blandos y los minerales como el mineral de hierro, piedra caliza, escoria, mármol, cuarzo, granito, cemento, clinker y así sucesivamente. Con características de la tasa general de trituración, de alto rendimiento, el tamaño del producto igual, la estructura simple, operación confiable y fácil mantenimiento, coste económico, etc

Triturador de cono giratorio Una trituradora de cono giratorio es una de los principales tipos de trituradoras primaria en una mi ...

Trituradora de martillos En las trituradoras de martillo, los martillos se adjuntan al rotor por medio de pivotes para que se ...

Trituradoras de rodillos Las trituradoras de rodillos funcionan en el principio que se aplica entre los rodillos o entre un r ...

Trituradora de jaula Estructura y principio de trabajo de trituradora de jaulaTrituradora de estructura de caja incluye: ...

Trituradora de quijada serie PEW Las trituradoras de mandíbula serie PEW de estilo europeo se componen principalmente del esqueleto, ...

Trituradora de mandíbula PE Esta serie de Trituradora de mandíbula puede alcanzar una proporción de 4-6 y la forma del product ...

Trituradora cónica HPC (Hidráulica) La trituradora de cónica de alta eficiencia serie HPC y presión hidráulica es ampliamente usada e ...

Trituradora cónica HCS90 El tipo HCS90 trituradora cónica con la presión hidráulica del cilindro único y de gran eficacia ...

Trituradora cónica Smons Se comparado con otros tipos de trituradoras,Trituradora cónica Smons tiene más posición dominant ...

Trituradora cónica PY (Resorte) Esta serie de trituradora es ampliamente aplicada en metalúrgica, construcción, construcción de c ...

Trituradora de impacto serie PFW La trituradora de impacto serie PFW posee una mejora del dispositivo de ajuste, la operación es muc ...

Pulverizador de impacto La Pulverizador de impacto posee una mejora del dispositivo de ajuste, la operación es mucho más c ...

Trituradora de impacto PF La serie de trituradoras de impacto de Shibang-Shanghai es ampliamente aplicada en minería, transpo ...

Sunday, December 25, 2011

Cement ball mill Sale India Manufacturer

Cement ball mill Sale India Manufacturer
Cement Ball Mill Grinder found in India involves feeding part, discharging part, turning part and driving part (reducer, small driving gear, motor unit and electric control). The quill shaft adopts cast steel part along with the liner is detachable. The turning gearwheel adopts casting hobbing process along with the drum is equipped with wear-resistant liner, which has good wear-resistance. The extender is with stable and reliable working condition. Moreover, as outlined by different materials and discharging methods, you'll find dry ball mills and wet ball mills for choice.
How Cement Ball mill Works

Ball Mill in Cement Production Line in India

A Cement Ball Mill grinds material by rotating a cylinder with steel grinding balls, allowing the balls to fall back into the cylinder and in to the material to become ground. The rotation will likely be between 4 to twenty revolutions for each minute, depending upon the diameter around the mill. The greater the diameter, the slower the rotation. Once the peripheral speed around the mill wrong in size great, it starts to act like a centrifuge as well as the balls don't fall back, but go through perimeter within the mill.

Happens where the mill is a centrifuge is called the "Critical Speed", and ball mills usually operate at 65% to 75% about the critical speed.

Ball Mills are often used to grind material 1/4 inch and finer, because of the particle height and width of 20 to 75 microns. To realize a reasonable efficiency with ball mills, they should be operated inside a closed system, with oversize material continuously being recirculated into the mill being reduced. Various classifiers, for example screens, spiral classifiers, cyclones and air classifiers bring classifying the release from ball mills. http://www.belt-conveyor.cn/grinding-mill

Thursday, December 22, 2011

Potash Grinding Mill from www.malaysiacrushers.com

Potash Grinding Mill

Potash Grinding Mill http://www.malaysiacrushers.com/classical-lines/potash-grinding-mill/457-potash-grinding-mill.php is grinding milling machine for the process of pulverizing potash mineral raw materials while potash crusher machine is ready for the crushing process. In recent years, SBM has developed advanced ore crusher-Mobile Crusher which is applied greatly in ore crushing industry.

Ethiopian Potash Project

Location: Ethiopia's north-eastern Danakil depression

Client: Allana Potash

Reserves: 105.2mt (inferred)

Scope: Potash mineral mining processing plant Solution design, regrind Ball mill provision, screening plant installation and management services

Date: 2010– ongoing

Grinding Mill for Sizing Oversize Potash Material Discharged from Screens

1C3R Grinding Mill

The grinding mill is used for polishing and sizing oversize material coming from the potash screens.

SBM's 1C3R is a compact single-shaft grinding mill design, allowing easy access to the cages. This is just one example of the maintenance-friendly designs that are engineered into every SBM crusher.

Grinding Mill Features and Benefits http://www.malaysiacrushers.com/grinding-mill/

•Sizes 100 mm feeds to 2 mm product
•Horsepower is required in direct proportion to the work required
•The striking plate maintains desired product size during the life of the plate
•Compact single-shaft design takes less floor space
•Replaceable wrap-around striking plates offer increased tonnage life & wear protection
•Swing away door available on 50-1C3R model gives immediate access without the need to remove components
•An optional on-board cage jack allows cage removal without the need of overhead cranes or extra help

Other Products

In addition to supply potash ore crusher and potash ore grinding mill, we also offer you many related optional equipments such as vibrating feeder, vibratory screen, Belt Conveyor and sand washing machines. SBM other industrial machines are also famous in mining industry or stone crushing process such as ball mil, Raymond Mill, vertical mill, hydraulic Impact crusher, European Jaw Crusher, hammer crusher, VSI crusher, PCL sand making machine, crawler type mobile crusher and so on.

Wednesday, December 21, 2011

Mobile Impact Crusher Plant For Sale

Mobile Crusher Plant Brief Introduction


Mobile impact crusher plant for sale is fully adaptable to all mobile crushing needs. Mobiel crusher for sale sets up a new range of business opportunities for contractors, quarry operators, recycling and mining applications. Our mobile crushing plant can eliminate the obstacles of the crushing places and circumstances, and offer the high efficient and low cost project plants for the client.
Especially the mobility is very good, so it can extend with the raw material places or the construction place, and it can also make multiple matching, get to different product requirements. Mobile type series mobile crusher is developed according to novel series stone crushing equipment's design idea, which expands the concept field of coarse crushing and fine crushing.

Mobile Impact Crusher Technical Advantages


1. Mobiel crusher for sale:Superior performance PF series impact crusher for sale.
2. Vibrating feeder and belt conveyor combined with the crusher.
3. Mobiel crusher for sale:Belt conveyor under screen, and the crusher installed all-in-one truck.
4. The turning traction axis is convenient to road transport and goes deeper of the working site.
5. Supporting device installed on the truck is convenient for the truck coming to the working site.
6.Mobiel crusher for sale: Vehicle-mounted motor and the control panel is integrated.

Tuesday, December 20, 2011

Redpath launches dedicated coal division with major project announcement

Redpath, one of the world's leading mining contractors, has launched its dedicated Australian coal mining division as it aims to put itself as among the country's leading mining contractors. This coincides with Redpath Australia's first dedicated coal mining contract, a major coal drivage operation headquartered in central Queensland. This project was won about the back of Redpath's innovative focus on the Kestrel Mine Extension (KME) project and that is located near Emerald in Queensland.In line with Rob Nichols, CEO of Redpath Australia, Redpath aims to utilize its extensive metalliferous, raiseboring and civil mining experience in order to apply new concepts and innovations to the coal service offering, with all the aim of making serious inroads in to the sector.





"Developing an avid coal mining crusher plant operation is really a long term goal for Redpath even as look to establish ourselves as a full turnkey service mining contractor," said Nichols. "We have previously trialled some exciting innovations for the KME project to positive results, and we anticipate driving new thoughts and concepts into the coal sector."



An illustration of this Redpath's innovative approach to coal mining includes the sliding floor technology it produced for the KME project. Through the use of hydraulic rams to advance the floor in a very caterpillar like sequence to allow it to act as a base for the bridge conveyor and ventilation duct installation and extension systems, the system reduces the potential risks for accidents and ensured that Redpath's contribution to your KME project was without incident.



"We developed the sliding floor designed for the KME project and it is just one illustration showing the innovative new direction we have been looking to make company," said Nichols. "We took a modern approach to the KME project, that has been the key to us securing our first contract in coal, which we don't be surprised to be part of a step forward growth for Redpath over the coming months."



The revolutionary contract requires 12.5 km of coal drivage mining to be completed over two years, equating to 180 m/week with 77 personnel operating your website.



According to Gavin Ramage, the newly appointed General Manager for Coal at Redpath Australia, while ambitious, the latest project's targets are achievable when he looks to get the bar for Australian contract mining performance and safety australia crusher .



"We are definitely more than positive that we can deliver as promised within couple of years thanks to our strong internal structure and safety management systems," said Ramage.



"This is the first of a variety of new projects that individuals are looking to secure and despite just about launching, our coal division is already looking to drive some serious growth for that company in 2012 and beyond," he added.



Redpath is focusing on a number of potential coal projects that will be announced inside the coming months. beneficiation equipoment

London Mining delays first Marampa shipment

 

London Mining, which began producing iron ore from its Marampa operation in Sierra Leone earlier this month, has delayed its first shipment to January.

 

It said the delay, from an initial target that would have seen a first shipment before the end of 2011, would allow it to use larger supramax sized vessels, instead of handymax sized vessels, for no additional freight cost, improving margins. [quarry plant]

 

The miner said Marampa was producing concentrate with a specification of over 65 percent iron and low impurities -- high specification iron ore that should improve opportunities to export to Europe. mining beneficiation plant

 

Capacity of over 160,000 tonnes per month is expected to be reached in the first half of 2012, it said.[iron ore processing and beneficiation price]

 

Wednesday, December 14, 2011

Mobile Crushing Plant for sale Malaysia

Mobile Crusher

SBM has always been aiming at the NO. 1 of Manufacurers of Mobile Stone and Quarry Crushing and Mining Equipments , while we have designed many types of typical and classical quarry stone ore mobile crushing plants solutions such as mobile jaw crusher, mobile cone crusher, mobile impact crusher , etc.


SBM , as a manufacturer of stone quarry and mining crushing grinding equipments in China , supplies grinding mill machines and stone crushers machines for granite , feldspar, mica, calcite, dolomite, calcium carbonate, coal, cement mine, ore benefication in USA, India, Vietnam, Canada, Spain, Sweden, Finland, Portugal, Norway.

Portable Mobile Crusher for Small and Medium Quarry Production Process

Mobile Jaw Crusher


Mobile Jaw crusher-Jaw Crusher Series mobile plant is our company's newly developed ore-crushing equipment that greatly expends the concept of crushing field. The design of SBM's mobile crushing plant gives priority to smoothing out the obstacles of uneven ground, improving producer's efficiency and reducing the cost. Components of mobile jaw crusher: Vibrating Feeder Jaw Crusher Diesel Generating set (adapting) Belt conveyor. SBM Mobile Jaw Crushers have been used as crushing plant for clients over 30 countries in Africa (Algeria, Egypt, Malawi, South Africa, Chad, Nigeria etc.).

Mobile Impact Crusher


SBM impact crusher series mobile plant is developed according to novel series stone crushing equipment's design idea, which expands the concept field of crushing. Its design idea is based on the client's requirement, which clears faults of the crushing place, surroundings and the complex basic configurations. This series mobile crusher plant really supply simpler, higher efficient and lower cost machines for clients.

Mobile Cone Crusher


SBM Cone Crusher Series Mobile Crushing Plant is our company's newly developed ore-crushing equipment, whose appearance greatly expends the concept of crushing field. The design of SBM's mobile crushing plant aims to clear the obstacles of uneven ground, improve client's efficiency and reduce his cost.

Tuesday, December 13, 2011

Impact Crusher Overview

Impact Crusher Overview

Our impact crushers are employed by customers of over 30 countries in the Africa, contains both Eastern Africa and Southern Africa to empower their production, Africa is SBM's important market, and still being "globally local" is the unshakeable principle in our global developing.
Application area: road and railway building, dam, construction
Processing stage: secondary crushing
Crushing material: limestone, gypsum, talc etc. (<Moh's harness 4)
Crushing ratio: 10-20
Impact Crusher Spare Parts
Main components: body frame, rotor, impact rack
Working principle: the rotor rotates at the high speed and hits the entering materials, which will be shot back by the impact rack; the material is crushed due to the constant impact
Protection type: impact rack self weight
Quickwear parts: high manganese steel, high chromium steel
Hydraulic Impactor Crusher
Impact Crusher Manufacturers

Sunday, December 11, 2011

India's coal imports jump

 

India's coal deficit is expected to double to 265 million tonnes over the next five years despite a three fold increase in government spend on the sector. The Indian government's Planning Commission has said that domestic coal demand in India is set to increase to 1,000 million tonnes by the end of 2012-17, necessitating about 200 million tonnes of imports to bridge the shortfall in domestic output.

 

The commission has estimated that domestic production will rise to 770 million tonnes by 2017 on the basis of projected annual growth of around 7% in output.

 

Data showed that in the six months between April to September 2011, imports of coal jumped by about 70%. Overseas coal purchases rose to 20.9 million metric tonnes between April and September from 12.3 million tonnes a year ago.

 [Coal Crusher Plant in India]

Coal India, which is the world's largest producer of coal and accounts for over 85% of India's production of the dry fuel, has also lowered its production target for the ongoing financial year to at least 440 million tonnes from the estimate of 452 million tonnes in its annual plan.

 

Officials said importing large quantities of coal at today's prices would mean a forex bill of around $32 billion. Imports in September rose 51% from a year ago period to 2.65 million tonnes, they added.

 [Coal Processing Plant for India]

As per an Indian government Planning Commission document, output in 2011-12 was expected to reach 680 million tonnes, but the estimate was later scaled down to 630 million tonnes in a mid term appraisal by Prime Minister Manmohan Singh. It was again revised downward to 554 million tonnes.

 

In the last fiscal, Coal India produced about 431 million tonnes of coal, almost the same output it recorded in 2009-10. The firm has said it was planning to mine between 556 million tonnes and 615 million tonnes of coal between 2012-17.

 

Earlier, Coal India had asked the government to scale down its production target for the 2011-12 financial year to 448 million tonnes, fearing it would not be able to make up for the slippage in output in the first half of the fiscal.

 

The company had missed its April-September target by about 20 million tonnes, recording an output of 176 million tonnes as against the target of 196 million tonnes. Officials blamed inclement weather, including heavy rains in August and September which they said affected production in almost all its collieries.

 [concrete grinding machine tools]

Last year too, Coal India lowered its production target to 440.20 million tonnes from 460.50 million tonnes. As per Geological Survey of India, as on April 1, 2011, a total of 285,862 million tonnes of geological resources (coking coal 33.47 billion tonnes and non-coking coal 252.40 billion tonnes) of coal have so far been estimated in India up to the maximum depth of 1200 metre.

Energy demand is up 30 percent by 2040 but coal will be a smaller part of the picture

Energy demand is predicted to be Thirty percent higher by 2040 because of growing population in addition to a rising GDP, but coal use will peak and decline over this same period.



ExxonMobil (NYSE:XOM) published The Outlook for Energy: A View to 2040 on Thursday.



Coal currently generates
40 % of the world's electricity needs.



"The
blend of fuels accustomed to produce electricity can change dramatically, however, as nations shift from coal favoring lower-carbon sources such as natural gas, which emit nearly 60 percent less CO2 than coal when useful for electricity generation. By 2040, 30 percent of the world's electricity is going to be produced using gas main, while need for coal will peak and experience its first long-term decline in modern history," writes the reports authors. new or used jaw crusher



Energy
used the United States is anticipated to remain constant; however countries beyond the Organization for Economic Cooperation and Development, like China and India, will see energy demand rise 60%.



A result of the significant growth in population and higher GDP, energy output must be much higher, nevertheless the report states that innovations in efficiency will make up the shortfall.



"While global energy demand
is predicted to rise by about coal crusher coal mill machine Thirty percent from 2010 to 2040, demand growth could well be approximately 4x that amount without projected gains in efficiency. Efficiency is the vital thing reason why energy demand will rise by directly about 1 percent 1 year on average while global GDP rises by nearly 3 % a year. It also is the reason why OECD energy demand will relatively unchanged through 2040 whilst its economic output nearly doubles."



ExxonMobil predicts that hybrid vehicles
will help make up 50 percent of the cars people drive. iron ore processing plant for Australia So as you move the number of personal vehicles in the world will double, energy demand will stay flat. Commercial transportation, for example ships, airplanes and trucks, will rise over 70 percent.



"Demand for oil
and also other liquid fuels will rise by nearly 30 percent, and most of this increase will likely be linked to transportation. An ever growing share from the supplies helpful to meet liquid-fuel demand will come from deepwater, oil sands, tight oil, gas main liquids and biofuels."

Thursday, December 8, 2011

Anaconda Mining sells Chilean iron ore assets to Hierro Tal Tal; Proceeds to assist in debt repayment

TORONTO, Dec. 7, 2011 /CNW/ - Anaconda Mining Inc. ("Anaconda" or "the Company") - (TSX: ANX) is very happy to announce that, pursuant to an agreement dated today, it offers closed the sale of that Chilean iron ore exploration assets with a private Chilean company, Hierro Tal Tal S.A. ("Tal Tal"), for US$11 million in cash payments, a revenue royalty and a 1.25% carried interest in Compania Portuaria Tal Tal S.A. ("CPTT"). Using the cash proceeds received at closing of US$2 million, Anaconda will repay the total principal amount plus accrued interest of approximately $711,000 towards the holders on the Series III Debentures within 1 week of the closing. Also, the Company are going to pay other outstanding debt service obligations and vendor payables. Per the the share purchase agreement (the "SPA"), Anaconda will get another cash payment of US$2 million on May 31, 2012, that the Company expects make use of primarily to settle portions of other debts for example the Convertible Loan and also the Series I and II Debentures. All amounts are in Canadian dollars unless stated otherwise.



President and CEO of Anaconda, Dustin Angelo, stated, "The sale in the Chilean iron ore assets is an extremely positive step to the Company in realizing its long term strategic goals. The Company has sought a way to derive value from the iron ore assets while separating them from your gold asset, as well as the sale achieves those objectives. Anaconda can now focus its efforts on improving the performance of the Pine Cove mine and build off its recent success at the producing project. Furthermore, the business plans to pursue growth through exploration initiatives within the Pine Cove mining license. grinding mill for sale Anaconda will also evaluate expansion opportunities about the Baie Verte Peninsula as well as through corporate transactions or asset acquisitions of other gold assets throughout North America. In addition, the money infusion from the sale helps the Company improve its balance sheet. Together with the other US$2 million payment in approximately 6 months and cash flow from Pine Cove, Anaconda could potentially pay down a significant amount of its debt because of the summer 2012."



Breakdown of the transaction:



Anaconda's wholly owned subsidiary, Inversiones La Veta SpA ("La Veta"), sold its shares representing a 50% ownership stake in Minera Hierro San Gabriel S.A. ("MHSG") plus a 20% ownership stake in Inversiones Hierro Antofagasta S.A. ("IHA") to Tal Tal for approximately US$11 million in cash payments, ones US$2 million was paid at closing plus an additional US$2 million is due on May 31, 2012. La Veta will have the right to get an additional US$3 million upon achievement of economic production, as based on the SPA, by the properties, directly or indirectly, controlled by MHSG or IHA (the "Properties"). Gold Mining Equipment  La Veta can earn nearly another US$4 million based on the sales price realized without a doubt volumes of production from the Properties, as defined in the SPA.



Furthermore, La Veta shall earn a income royalty for those production sold in the Properties. For the Properties controlled by MHSG, the gross sales royalty will probably be 0.80% and also for the Properties indirectly controlled by IHA, the revenue royalty will probably be 0.50%. Lastly, La Veta shall receive a 1.25% carried fascination with CPTT, a private Chilean company whose principal asset is a concession giving it the legal right to build a port inside the city of Taltal.



General Manager of Tal Tal, Antonio Barros, stated, "Tal Tal happens to be undertaking advanced economic studies in preparation for financing the building of an iron mine, near the town of Taltal in northern Chile, that may produce sinter feed to the Asian markets. Production is expected to begin by December of 2012. Tal Tal is additionally planning further exploration while using goal of expanding resources in your neighborhood."



ABOUT ANACONDA



Headquartered in Toronto, Canada, Anaconda is usually a growth oriented, gold mining and exploration company that has a producing asset located on the Baie Verte Peninsula in Newfoundland, Canada called Pine Cove mine.



FORWARD LOOKING STATEMENTS



This document contains or is the term for forward-looking information. Such forward-looking information includes, amongst other things, statements regarding targets, estimates and/or assumptions in respect of future production, mine development costs, unit costs, capital costs, timing of commencement of operations and future economic, market as well as other conditions, and it is based on current expectations that involve a number of business risks and uncertainties. Factors which could cause actual leads to differ materially from any forward-looking statement include, but aren't limited to: the final approval from the private placement from the Toronto Stock Exchange; the grade and recovery of ore that's mined varying from estimates; capital and operating costs varying significantly from estimates; inflation; modifications in exchange rates; fluctuations in commodity prices; delays in the development of the any project attributable to unavailability of equipment, labour or supplies, climatic conditions or otherwise not; termination or revision of a typical debt financing; failure to lift additional funds needed to finance the completion of a project; as well as other factors. Additionally, forward-looking statements look at the future and provide an opinion for the effect of certain events and trends within the business. Forward-looking statements occasionally includes words including "plans," "may," "estimates," "expects," "indicates," "targeting," "potential" and similar expressions. These forward-looking statements, including statements regarding Anaconda's beliefs inside potential mineralization, are based on current expectations and entail various risks and uncertainties. Forward-looking statements are be subject to significant risks and uncertainties and also other factors which could cause actual brings about differ materially from expected results. Readers should not place undue reliance on forward-looking statements. These forward-looking statements are produced as of the date hereof so we assume no responsibility to update them or revise the crooks to reflect new events or circumstances, except as necessary for law. [ball mill manufacturer]

Wednesday, December 7, 2011

Tata launches new coal haulage truck with Allison transmission

Tata Motors, India's market leader in commercial vehicles along with the world's fourth largest truck manufacturer, has launched the revolutionary TATA Prima 3138.K 8X4 tipper pre-loaded with an Allison 4430R transmission at the 6th International Construction Equipment and Construction Technology Trade Fair (EXCON) 2011 in Bengaluru, that is organised because of the Confederation of Indian Industry. The business states how the tipper model is perfect for carrying overburden in coal, iron ore, limestone and other applications mixed up in heavy mining industry.





Tata's Prima 3138.K
is usually a four-axle, 31 t GVW tipper with the Allison 4430R automatic transmission. Powered with a Cummins ISLe (CRDi) engine, the tipper carries a maximum rating of 370 hp and features new generation brakes, ABS along with a hub reduction axle, engineered for off-road applications. The tipper also comes with a 19 m3 rock body for better payload volume and faster tipping time. Based on Allison, customers will also benefit from the proven characteristics of the Allison 4430R transmission, including "outstanding reliability and durability." The company adds: "Allison fully automatics allow faster acceleration producing shorter trip times and gives more torque to your wheels. Internal prognostics extend oil change intervals sufficient reason for two on the job the wheel, safety is increased." The newest Tata tipper also includes a spacious, air-conditioned cabin with a pneumatic-suspension driver's seat and adjustable controls. Tata states these particular amenities, combined with smooth shifting in the Allison fully automatic transmission, afford drivers the degree of comfort required to achieve extended stays of daily operation, while also increasing productivity.
[rock crusher malaysia   crushers manufacturers from china  Vertical Roller Mill for sale]

Monday, December 5, 2011

Calibre Announces Start of 5,000 Metre Drill Program at Rosita Copper-Gold-Silver Project, Nicaragua

VANCOUVER, BRITISH COLUMBIA-(Marketwire - Dec. 5, 2011) - Douglas Forster, Chairman of Calibre Mining Corp. (TSX VENTURE:CXB) (the "Company" or "Calibre") is very happy to announce that Alder Resources Ltd. ("Alder") (TSX VENTURE:ALR) has informed Calibre that drilling has commenced on Calibre's Rosita Copper- Gold-Silver Project around the Company's Borosi Property in northeastern Nicaragua. The main program will incorporate 1,000 metres of reverse circulation ("RC") drilling to follow-up on historic mineralized diamond drill intercepts below the Santa Rita pit. Alder will also drill test the historic dumps about the Santa Rita pit. Additional RC drilling as much as 4,000 metres will test mineralization in other highly prospective areas like R-13 zone and the Bambana porphyry copper target and various other targets generated while in the ongoing exploration program.



Alder is earning a 65%
fascination with the 3,356 ha Rosita D Concession by issuing Calibre 1,000,000 Alder shares and spending $4,000,000 on exploration spanning a 4 (four) year period (see Calibre News Release dated August 22, 2011). Alder is a project operator.



The Rosita D Concession hosts the historic open pit Santa Rita copper-gold-silver deposit
from where 5.37 million tonnes of ore grading 2.06% Cu, 0.93 g/t Au, and 15.08 g/t Ag was extracted. The mine closed in 1975 resulting from low copper prices. Alder has competed detailed vertical channel sampling round the periphery of the old mine dumps close to the Santa Rita pit and possesses begun trenching within the Bambana area. The Bambana prospect located four kilometres northwest with the Santa Rita open pit was drill tested by Calibre last year and returned drill intercepts including: 0.43% Cu over 42 metres and 0.51% Cu, 0.25 g/t Au and 10.41 g/t Ag over 11.5 metres (see Calibre News Release dated August 19, 2010).



Douglas Forster, Chairman of Calibre stated: "Calibre is
pleased to have 3 (three) drill rigs active on our 860 km2 Borosi Gold-Copper-Silver Property from the historic "Mining Triangle" of northeastern Nicaragua. Beyond just the Alder RC drill program over the Rosita Copper-Gold-Silver Project Calibre has the benefit of one diamond drill participating in the Primavera Gold-Copper Project along with B2Gold Corp. and one diamond drill performing a resource delineation drill program on Calibre's 100% owned Risco de Oro Gold-Silver Project."



The technical content
in such a news release was read and approved by Gregory Smith, P.Geo, Vice chairman, Exploration plus a Qualified Person ("QP") as defined by NI 43-101.



About Calibre Mining Corp.



Calibre Mining Corp.
can be a, TSX Venture Exchange listed company (TSX VENTURE:CXB) that could be focused on buying, exploration and expansion of gold and silver deposits in Mexico. The Company is dependant on a resource delineation drill program at its 100% owned Riscos de Oro gold-silver project and the diamond drilling program on the Primavera gold-copper prospect with B2Gold Corp. Major shareholders of Calibre include gold producer Yamana Gold Inc. and investment fund Sun Valley Gold.



CALIBRE MINING CORP.



Douglas Forster, M.Sc., P.Geo., Chairman



Cautionary Note Regarding Forward Looking Statements



Safe Harbour Statement
in the United States Private Securities Litigation Reform Act of 1995: Except for the statements of historical fact contained herein, the knowledge presented constitutes "forward-looking statements" in the meaning of the individual Securities Litigation Reform Act of 1995. Such forward-looking statements including however, not limited to those that have respect into the price of gold, silver or copper, potential mineralization, reserve and resource determination, exploration results, and future plans and objectives from the Company involve known and unknown risks, uncertainties along with other factors that may cause the actual results, performance or achievement of Calibre Mining Corp. for being materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. There can be no assurance that such statements will make accurate as actual results and future events could differ materially from those anticipated in these statements. Accordingly, readers shouldn't place undue attachment to forward-looking statements.



Neither TSX Venture Exchange nor its Regulation Services Provider (as that term
is defined in the policies of the TSX Venture Exchange) accepts responsibility for any adequacy or accuracy with this release.
[
Trituradora de piedra Trituradora de quijada trituradora de cono]