A Sedimentary Rock Called Limestone

Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different forms of calcium carbonate. The solubility of limestone in water and weak acid solutions leads to landscapes. Like most other sedimentary rocks, limestone is composed of grains. However, most grains in limestone are skeletal fragments of marine organisms such as coral or foraminera.

How does a Limestone look like?

 Limestone often contains variable amounts of silica or siliceous skeletal fragment carried by the rivers. The regions overlying the limestone bedrock tend to have fewer visible groundwater sources, as surface water easily drains downward through joints in the limestone. The primary source of limestone is commonly the marine organisms. These organisms secrete shells made of aragonite or calcite, and leave these shells behind after the organisms die. Some of these organisms can build a pile of rocks known as reefs.

In fact, in some locations where market conditions allow, limestone for collective is mined from underground mines. Mining is more costly than quarrying, the underground mining of mineral can be a mix of both economical and essential in some areas of the state. Some limestone is hauled out from many popular pits and quarries where nettle dumps and limestone bedrock are nearer to the ground surface. The mining process consists of breaking up the rock. And this breakup is done by detonating volatile set in blast holes. The rock face to be squalled is relatively 40-feet in width by 20 to 25 feet high.

Uses of Limestone

Limestone is commonly used in architecture, especially in Europe and North America. It is used in many landmarks across the world, including Great Pyramid, buildings in Kingston, Canada were constructed from it, that’s why it’s called “Limestone City’. On the island of Malta, a variety of limestone called Globigerina frequently used on all types of buildings and sculptures. The characteristic of a limestone is that, it is relatively easy to cut into blocks or more elaborate carving. It is also long-lasting and stands up well to exposure. However, it is a very hard material, making it impractical for tall buildings and infrastructures. In fact, limestone became popular in the late 19^th and early 20^th centuries. Train stations, banks, and other structures from that time are made of limestone. Moreover, it is used as a wonderful façade on skyscrapers, however, only in thin plates for covering, rather than solid blocks.

Many well-known buildings in London are built from Portland limestone. And limestone was also famous building block in the Middle Ages in the areas where it occurred, since it is tough, durable, and frequently occurs in surfaces. On the other hand, many medieval churches and castles in Europe are made of limestone. Another famous kind of limestone for medieval buildings in Southern England was beer stone.

Limestone also acts as acid-based cleaning chemicals. Many limestone statues and building surfaces have suffered severe damage due to acid rain. Acid-based chemicals can also etch limestone, which should only be cleaned with a neutral or mild alkaline-based cleaner.

Mining Careers at Gold

Gold Recruitment provides dependable, up to date, and pertinent career information and job description for aspiring professionals who are making the right decisions about their future career path.

Whether you are searching for detailed information on a particular occupation, our friendly website covers many popular careers throughout Australia mainly in the field of construction:

1.   Longwall Mining Coordinator

We are searching for a willing candidate who can operate state of the art underground coal operations and associated works nestled in the Central Queensland highlands, seeking a Longwall Coordinator. As a credible Longwall Coordinator joining an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of the Longwall Coordinator role - to coordinate production teams to achieve the annual forecast longwall tonnes within budgeted costs whilst maintaining effective health, safety and injury management practices and procedures, and to maximize and enhance the value of the mine.

Longwall Coordinator position details:

- coordination of longwall production teams, production plans & forecasts

- coordination of effectiveness of mining process

- assist Longwall Superintendent to develop, manage & achieve annual longwall production budget

Longwall Coordinator skills we need:

- proven abilities in a similar position or equivalent

- Underground Coal mining exp

- Mining and/or Mechanical background

- proven ability to coordinate improved work methods

- proven ability to coordinate statutory compliance & lead, advise & coach a team to success

- unwavering & demonstrable commitment to safety, the environment & the community

2.   Development Mining Coordinator

As a credible Development Mining Coordinator willing to stretch yourself to join an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of the Development Mining Coordinator role, to plan and coordinate Mining activities in the Development Department, and to maximize and enhance the value of the mine.

Development Mining Coordinator position details:

- supervise & lead teams ensuring peak safety performance & teamwork

- ensure statutory compliance standards & production targets are met

- collect & record info re crew performance

- conduct u/g inspections & weekly audits

- updating technologies & initiate design improvements

Development Mining Coordinator skills we need:

- underground coal mining exp

- demonstrable success in a similar role

- proven relationship development, team orientation

- high regard for OH&S

3.   Outbye Miners

We are searching for a candidate who can work in underground coal operations and associated works nestled in the Central Qld highlands, seeking an Outbye Miner. As a credible Outbye Miner willing to stretch yourself to join an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of this Outbye Miner role. Outbye Miner skills we need: - underground coal mining exp essential - demonstrable exp Outbye process work - high regard for OH&S

4.   Outbye Superintendent

As a credible Outbye Superintendent joining an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of the Outbye Superintendent role - to coordinate the Outbye activities required to support the Development and Logwall operations, and to maximise and enhance the value of the mine.

Outbye Superintendent position details:

- management of Outbye activities, plans & forecasts

- management of projects for Outbye section & Outbye performance management

Outbye Superintendent skills we need:

- proven abilities in a similar position or equivalent

- Underground Coal mining exp

- demonstrable Outbye exp

- proven ability to develop & implement improved work methods

- proven ability to meet statutory compliance & lead, advise & coach a team to success

- unwavering & demonstrable commitment to safety, the environment & the community

5.   Outbye Mining Coordinator

As a credible Outbye Mining Coordinator willing to stretch yourself to join an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of this Outbye Mining Coordinator role, to assist the Outbye Superintendent in the coordination of Outbye activities required to support the Development and Longwall operations, and to maximise and enhance the value of the mine.

Outbye Mining Coordinator position details:

- day to day coordination of outbye activities

- promote positive working relations & team orientation with all other coordinators

- assist in management of all projects for Outbye section

- assist in Outbye performance management - data research & recording

Outbye Mining Coordinator skills we need:

- underground coal mining exp (min 3 yrs)

- demonstrable exp Outbye process work

- relevant qualification - Mining

- high level of computer literacy, financial & budgeting exp

- proven relationship development, team orientation

- high regard for OH&S

6.   Project Controls/Planning Engineer/Civil Engineer - Intermediate

A prestigious world class group has firmly established a standard of excellence within the industry and seeks an intermediate level experienced Planning Engineer / Project Controls Engineer / Planner to parallel the needs of a successful organisation as they undergo high profile mining expansion. With a demonstrable background in project controls, planning and / or cost control management your career will flourish as you contribute to the accomplishment of a successful high performance company rewarding as follows:

- generous remuneration - contract role, project duration expected 4-5 yrs

- Flexible FIFO Mon-Fri roster

- FIFO Brisbane, Rockhampton, Mackay, Townsville or DIDO Bowen Basin

- accommodation+meals+car+fuel+phone

- expanding career opportunities

- Central Qld location

Project Controls / Engineer / Planner position details:

- contribute to the management of Project Controls function, monitoring timelines & deliverables

- develop & maintain project schedules (P6)

- supervise cost control & project estimates (Prolog)

Ideal Project Controls / Engineer / Planner skills:

- proven abilities in project control, planning and/or cost control management, intermediate level

- 2+yrs Mining/LNG/Civil construction exp within Australia

- advanced skills in Primavera (P6 or P3) and/or Prolog

- exceptional communicator, forward thinker, self-motivated proactive approach

- demonstrable flexible attitude to compliment experience

7.   ERZ Controller - Production Supervisor

As a credible ERZ Controller willing to stretch yourself to join an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of this ERZ Controller role to oversee production activities and drive and maintain safety performance.  As ERZ Controller you will be responsible for Statutory Monitoring and Reporting to ensure production and safety objectives of the mine are met.

ERZ Controller skills we need:

- ERZ Controller Certificate of Competency

- proven abilities in a similar position or equivalent

- underground coal mining exp essential

- ability to drive active safety culture

- flexible attitude & professional work ethic

8.   Geologist - Mine Geologist

As a credible Mine Geologist willing to stretch yourself to join an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of this technically authoritative Mine Geologist role, to provide technical support and effective geological interpretation and advice for strata control processes, and to maximise and enhance the value of the mine.

Mine Geologist position details:

- management of geological information for Surface, Outbye, Development & Longwall areas

- coal quality analysis & forecasting

- modelling, drawing, data input & storage

- hazard & cost management

Mine Geologist skills we need:

- relevant degree qualification - Science/Geology

- exposure to underground coal mining operations/software

- proven relationship development, team orientation

- highly focused, motivated, self directed

- high regard for OH&S

9.   Surveyor - Mine Surveyor

We are searching for a qualified Mine Surveyor who can work in underground coal operations and associated works nestled in the Central Queensland highlands, seeking a Mine Surveyor. As a credible Surveyor willing to stretch yourself to join an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of the Mine Surveyor role - to provide accurate survey control to assist the Production Department to mine the required design, and to maximize and enhance the value of the mine.

Mine Surveyor position details:

- management of survey controls for Surface, Outbye, Development & Longwall areas

- Longwall production measurement & recording

- Mine Plan drafting

Mine Surveyor skills we need:

- relevant degree qualification - Surveying/Mine Surveying

- exposure to underground coal mining operations/software

- exceptional analytical skills & attention to detail

- proven relationship development, team orientation

- highly focused, motivated, self directed

- high regard for OH&S

10.               Longwall Superintendent - Thin Seam Longwall

As a credible Longwall Superintendent joining an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of the Thin Seam Longwall Superintendent role - to lead the change management associated with the Thin Seam Longwall introduction to an already successful underground coal operation, and to maximise and enhance the value of the mine.

Thin Seam Longwall Superintendent role:

- change management process - intro of advanced longwall mining system

- coordination of intro of new system from outset of manufacturing

- critical member of team accountable for delivery & implementation

- lead, drive, develop logic to assist in continuous business improvement

- ensure statutory & corporate compliance

Thin Seam Longwall Superintendent skills:

- proven technical exp coupled with leadership capabilities essential

- Underground Coal mining exp

- Mechanical Engineering background

- S1, S2, S3 qualifications

- proven ability to develop & implement improved work methods

- proven ability to meet statutory compliance & lead, advise & coach a team to success

- unwavering & demonstrable commitment to safety, the environment & the community

11.                Longwall Superintendent - Production

We represent a multi national premium client operating state of the art underground coal operations and associated works nestled in the Central Qld highlands, seeking a Longwall Superintendent. As a credible Longwall Superintendent joining an elite crew, you will be highly rewarded with a SUPERB PACKAGE + bonus incentives + relocation to reflect the importance and aim of the Longwall Superintendent role - to lead production teams to achieve the annual forecast longwall tonnes within budgeted costs whilst maintaining effective health, safety and injury management practices and procedures, and to maximise and enhance the value of the mine.

Longwall Superintendent position details:

- management of longwall production teams, production plans & forecasts

- management of effectiveness of mining process

- develop, manage & achieve annual longwall production budget

Longwall Superintendent skills we need:

- proven abilities in a similar position or equivalent

- Underground Coal mining exp

- Mining and/or Mechanical background

- proven ability to develop & implement improved work methods

- proven ability to meet statutory compliance & lead, advise & coach a team to success

- unwavering & demonstrable commitment to safety, the environment & the community

Being a Civil and Structural Engineer in the Mining

Entry to this position is commonly through bachelor degree or higher qualification. The areas of study include construction, economics, geomechanics, hydrology, hydraulic engineering, transportation engineering, and structural engineering. This position is designed for professional candidates.

Civil engineers are well-proficient in the planning, design, construction, and maintenance of public infrastructure such as buildings, bridges, roads, harbors, dams, and water supply functions. They have excellent skills in Mathematics and Physics, and desire to encounter technological and environmental challenges.  Being a Civil or Structural Engineers in the minerals industry may perform the following tasks:

·         Figure out water rates and material stress factors in order to resolve design specifications.

·         Study project sites to monitor progress and ensure sanitation standards.

·         Examine soils and materials to determine the adequacy and strength of foundations, concrete, asphalt, or steel.

·         Provide technical instruction for program modifications, repairs to industrial and managerial personnel.

·         Arrange public reports like bid proposals, deeds, environmental statements and other property descriptions.

·         Conduct studies of traffic patterns to identify engineering problems and review the potential impact of projects.

·         Perform duties in planning, designing, overseeing construction.

·         Evaluate survey reports, maps, drawings, blueprints to plan projects.

·         Plan design transportation or hydraulic systems and structures using design software and drawing tools.

Structural engineering, in general, deals with the design and analysis of structures that support loads. It is usually considered a specialty within Civil Engineering. However, it can also be learned through the involvement of designs of machinery, medical equipment and even vehicles. Most of structural engineers guarantee satisfaction of clients and people in their design criteria and safety, as well. Buildings and other infrastructures are made to ensure massive loads during climate change and natural disasters. Moreover, structural engineering theory is based upon physical laws and empirical knowledge of the structural performance of different landscapes and materials. It operates a relatively small number of basic structural elements to build up structural systems. 

A Clay Mineral Called Kaolin

Is Kaolin a genuine clay mineral? Yes, it is. Rocks that are prosperous in Kaolin contents are called china clay or kaolin. Kaolin is stacked up silicate layer with one tetrahedral sheet linked through oxygen to a single octahedral sheet of Alumina. It is, in fact, one of the most popular minerals, and it is usually extracted in Brazil, France, USA, China, and to other parts of the world.

Kaolin is one of the commonest mineral forms found wide spread all over the world. It is described as earthy, squashy, and white as Felspar; and is found in various color combinations, can be sometimes rusty brown depending on the levels of iron composition in the clay.

Kaolin clay appears lavishly in soils that have formed from the chemical weathering of rocks in hot and moist climates particularly in tropical rainforest areas.

What are the uses of Kaolin as clay mineral?

Since Kaolin contain very small traces of Uranium and Thorium, and is very useful in radiological dating. Kaolin was long used in the production of common smoking pipes in Europe and Asia. It is also in paint to extend titanium dioxide and transform gloss levels in some semi-reinforcing properties.

Moreover, Kaolin, is generally the main component in porcelain, and is widely used in medicine, ceramics, coated paper, as a food additive, in toothpaste, as a light diffusing material in white incandescent light bulbs, and in cosmetics.

To some extent, Kaolin is largely used in the production of paper, including the gloss on some grades of paper. Commercial grades of Kaolin are supplied and transported as dry powder, or semi-dry noodle.

Medicinal uses of Kaolin

Kaolin has been an active substance in liquid anti-diarrhea medicines such as Kaomagma and Kaopectate. Kaolin is known in traditional Chinese medicine by the name chìshízhī means ‘crimson stone resin.’

Mining Careers at Gold

Gold Recruitment provides dependable, up to date, and pertinent career information and job description for aspiring professionals who are making the right decisions about their future career path.

Whether you are searching for detailed information on a particular occupation, our friendly website covers many popular careers throughout Australia mainly in the field of construction:

1.   Town Services Coordinator - Town Housing

We are looking for candidate with a good underground coal operation skills. As Building Coordinator, you will be rewarded with a generous package + bonus incentives to reflect the importance and aim of this role - to provide comprehensive management of mining town residential buildings. If you can offer a trade background, residential Contracts Administration experience or Estimating skills, any of the above coupled with your ambition and drive to succeed could provide your opportunity to break into the mining industry.

Building Coordinator details:

-      manage residential housing, including construction/maintenance & scheduling

-      build & maintain effective relationships with tenants & necessary external parties inc contractors

-      manage routine inspection process

Building Coordinator skills we need:

-      suit construction industry background

-      contract administration or estimating skills/exposure advantageous, not essential

-      high level computer literacy

-      ability to deal with front line housing issues when they arise

-      proven relationship development, exceptional communicator, diplomatic & proactive

2.   Engineer - General Overhauls Engineer

As an Engineer qualified in Process Control Systems willing to stretch yourself to join this elite crew, you will be highly rewarded with a generous package + accommodation options + vehicle allowance to reflect the importance and aim of the General Overhauls Engineer role, to provide leadership in the application of safety and engineering management to maximize plant and equipment availability, and in turn, the value of the mine.

As an experienced Engineer / General Overhauls Engineer whose technical skills are complimented by proven leadership skills and management capabilities, ideally you possess:

-      tertiary qualifications/equivalent in Process Control Systems

-      demonstrable history in PCS role

-      experience in contract & project management

-      leadership qualities & exceptional communication skills

-      strong problem solving & multitasking skills

-      ability to work in high pressure & competing priority environments

-      genuine commitment to safety & environment

-      underground / open cut coal exp advantageous

3. Building Coordinator - Residential housing

As Building Coordinator, you will be rewarded with a generous package + bonus incentives to reflect the importance and aim of this role - to provide comprehensive management of mining town residential buildings. If you can offer a trade background, residential Contracts Administration experience or Estimating skills, any of the above coupled with your ambition and drive to succeed could provide your opportunity to break into the mining industry.

Building Coordinator details:

-      manage residential housing, including construction/maintenance & scheduling

-      build & maintain effective relationships with tenants & necessary external parties inc contractors

-      manage routine inspection process

Building Coordinator skills we need:

-      suit construction industry background

-      contract administration or estimating skills/exposure advantageous, not essential

-      high level computer literacy

-      ability to deal with front line housing issues when they arise

-      proven relationship development, exceptional communicator, diplomatic & proactive

4. Civil Project Manager - Earthworks

We are looking for a qualified candidate who can work in the civil construction world, with their depth and experience in the delivery of major civil urban infrastructure standing them at the forefront of the industry. To enable them to fulfill current project obligations associated with bulk earthworks and the delivery of a prep works for a new LNG plant, they seek a high end Civil Earthworks Project Manager to compliment, lead and direct their highly skilled team. As Civil Earthworks Project Manager you will be rewarded with:

-      $220k - $300k remuneration package for the right candidate

-      excellent flexible roster

-      accommodation options

-      key senior role, secure industry leader

Civil Earthworks Project Manager role:

-      high profile bulk earthworks prep works

-      drive, lead & direct elite crew to deliver high standards, on time, within budget

-      manage relationships, planning, programming & resourcing

Civil Earthworks Project Manager skill set required:

-      proven/successful track record tier 1 bulk earthworks projects

-      Civil Engineering degree qualification

-      extensive demonstrable experience min 15yrs+

-      hands on, passionate, natural leadership