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Minerals

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What is the London Metal Exchange?

The London Metal Exchange (LME), founded in 1877, is the world’s largest trading center of industrial metals. It provides futures contracts and options on a number of base and other metals.

8 Oct 2014

An Introduction to Geophysics

Geophysics is an interdisciplinary physical science which is related to the study of the Earth by means of quantitative physical methods. It is an applied science that deals with the investigation of Earth's internal structure, magnetosphere, atmosphere, ocean and crust.

17 Sep 2014

What Are Metamorphic Rocks? - Mining Fundamentals

Metamorphic rocks are formed at a depth of 12 to 16 km beneath the Earth’s surface, where high temperature, pressure and chemical alterations cause transformation of pre-existing rocks into another type of rock.

15 Sep 2014

Fault - Mining Fundamentals

A fault is a break or fracture in the Earth's crust caused by tectonic forces along which slippage of rock has occurred.

6 Jun 2014

Magnetic Separation - Mining Fundamentals

Magnetic separation is a process by which magnetically susceptible material is separated from a mixture by the application of a strong magnetic field. Iron ores are usually subjected to magnetic separation process due to the high magnetic susceptibility of iron.

25 May 2014

Migmatite - Occurence, Properties and Distribution

Migmatite is a rock composed of both igneous and metamorphic rocks. The rock derived its name from a Greek word which means “mixed rock”. It was first discovered by Jakob Johannes Sederholm in 1907.

28 Apr 2014

Lamprophyre - Mining Fundamentals

Lamprophyre is a group of ultrapotassic igneous rocks which consist of phenocrysts of mica, particularly biotite or phlogopite and amphibole such as pargasite or hornblende.

23 Apr 2014