Oil and Mining Industry

23/06/2023

10/09/2017

26/12/2016

Abbasi Hotel (Isfahan,Iran)

The Abbasi Hotel (formerly known as the Shah Abbas Hotel) is a hotel located in Isfahan, Iran. This complex was built at the time of king Sultan Husayn of Safavid about 300 years ago. It was built as a caravansary to provide lodging for passengers. The structure has been renovated since the 1950s by André Godard to fight and prevent degradation.

The 1974 film Ten Little Indians, starring Oliver Reed and Elke Sommer, was shot here.

25/12/2016

http://www.bbc.com/news/uk-38432862

Singer George Michael has died aged 53, his publicist says.

07/02/2016

Travertine

Travertine is a form of limestone deposited by mineral springs, especially hot springs. Travertine often has a fibrous or concentric appearance and exists in white, tan, cream-colored, and even rusty varieties. It is formed by a process of rapid precipitation of calcium carbonate, often at the mouth of a hot spring or in a limestone cave. In the latter, it can form stalactites, stalagmites, and other speleothems. It is frequently used in Italy and elsewhere as a building material.

Travertine is a terrestrial sedimentary rock, formed by the precipitation of carbonate minerals from solution in ground and surface waters, and/or geothermally heated hot-springs.Similar (but softer and extremely porous) deposits formed from ambient-temperature water are known as tufa.

07/02/2016

Baryte

Baryte or barite (BaSO4) is a mineral consisting of barium sulfate.The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte is generally white or colorless, and is the main source of barium. Baryte and celestine form a solid solution (Ba,Sr)SO4.

The radiating form, sometimes referred to as Bologna Stone, attained some notoriety among alchemists for the phosphorescent specimens found in the 17th century near Bologna by Vincenzo Casciarolo.
The American Petroleum Institute specification API 13/ISO 13500, which governs baryte for drilling purposes, does not refer to any specific mineral, but rather a material that meets that specification. In practice, however, this is usually the mineral baryte.

The term "primary barytes" refers to the first marketable product, which includes crude baryte (run of mine) and the products of simple beneficiation methods, such as washing, jigging, heavy media separation, tabling, flotation. Most crude baryte requires some upgrading to minimum purity or density. Baryte that is used as an aggregate in a "heavy" cement is crushed and screened to a uniform size. Most baryte is ground to a small, uniform size before it is used as a filler or extender, an addition to industrial products, in the production of barium chemicals or a weighting agent in petroleum well drilling mud.

07/02/2016

A quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate has been excavated from the ground. A quarry is the same thing as an open-pit mine from which minerals are extracted. The only trivial difference between the two is that open-pit mines that produce building materials and dimension stone are commonly referred to as quarries.

The word quarry can also include the underground quarrying for stone, such as Bath stone.