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A review of geological and geotechnical features of some …

 — This paper presents some of the available published information on geological and geotechnical characteristics of some Middle Eastern countries within the Arabian Peninsula (Fig. 1).Evans [] has provided a summary of the geology and the soil conditions for a number of countries in the Middle East, and some of the information …

Natural Gypsum – Al Jood Natural Resources L.L.C

The Mines has a reserve of 13 million tons of mineable gypsum. Al Jood has a permanent stockyard inside the port of Salalah. Al Jood is the 5th largest exporter of natural gypsum from Oman. Al Jood produces four …

Gypsum: An additive for stabilization of swelling clay soils

 — The factors controlling the expansive nature of the soils and rocks of northern Oman. Engineering Geology (1998) ... and L increased it at all stages. The presence of PG accelerated the volcanic ash reaction. Both PG and FA have a small effect on the swelling of the soil, whereas lime improves it significantly, but has a negative effect after a ...

Gypsum | Properties, Formation, Uses and Deposits

Gypsum, a naturally occurring mineral with the chemical formula CaSO4·2H2O, exhibits several important chemical properties that contribute to its versatility and usefulness in various applications. Here are some key chemical properties of gypsum: 1. Hydrated Structure:Gypsum is a hydrated mineral, meaning it contain…

GYPSUM DEPOSITS IN IRAQ: AN OVERVIEW | IRAQI …

 — The gypsiferous soil is of low gypsum content in the depth of (0 – 25) cm and covers about 39% of Iraqi soil; while at the depth (25 – 150) cm it is of medium gypsum content and covers about 53% of the Iraqi soil. The reserve of the gypsiferous soil is estimated to be 6 million tons. Primary gypsum and gypsiferous soil have produced …

Gypsum

Given that gypsum dissolves over time in water, it is rarely found in the form of sand. An important exception is the White Sands National Monument in the state of New Mexico (in the United States).The unique conditions there have resulted in a 710 square kilometer (275 square mile) expanse of white gypsum sand, enough to supply the construction industry …

Oman retains crown as world's biggest gypsum exporter …

 — "Going forward, importing countries will be increasingly looking to the Sultanate of Oman to meet their gypsum requirements. At the current rate of growth in exports, Oman's share is projected to rise to around 48 - 50 per cent of demand, which equates to over 130 million MT over the 2022- 2031 timeframe." ...

Success reported in reclamation trials of saline-sodic soils in Oman

Phases 1 and 2 of a research on using special fertilisers for reclamation of saline-sodic soils in Oman with the aim of finding viable solutions to address soil salinity across the Governorate of ...

Gypsiferous soils | FAO SOILS PORTAL | Food and …

When Gypsiferous soils contain only little gypsum in the upper 30 cm soil layer, they can be used for production of small grains, cotton, alfalfa, etc. Dry farming on deep gypsiferous soil requires use of fallow years and water harvesting techniques, but is rarely rewarding under adverse climate conditions.Many gypsiferous soils in (young) alluvial and colluvial …

Should You Use Gypsum for Soil?

 — Should You Use Gypsum in Every Soil? You should definitely try gypsum if a soil test indicates your clay soil is at or near neutral in acidity with a high level of available sodium. If your clay soil has a white crust on the surface, assume you have extra sodium. Gypsum is also helpful where dry clay soils are hard to work or crusty on top.

ASTER mapping of Gypsum Deposits of the …

 — This study demonstrates the use of ASTER data for the mapping of gypsum deposits and associated geological formations that occurred in the Thumrait region of southern Oman.

Use of Gypsum on Soils: A Review

Gypsum is a relatively common mineral that is widely available in agricultural areas and has a number of specialized agronomic uses, principally as a Ca source on legumes and as a soil conditioner on sodic soils. Recent research has suggest that the utility of gypsum...

ASTER mapping of gypsum deposits of Thumrait region of southern Oman

 — Abstract This study demonstrates the use of ASTER data for the mapping of gypsum deposits and associated geological formations that occurred in the Thumrait region of southern Oman. ... browning and soil background; atm. Correction (aerosol scattering) ... mapped the laminated gypsum occurrences and associated geological formations of the …

How to Use Gypsum in Gardening

 — Gypsum changes the soil composition through a process called flocculation. The gypsum enables the small and dense clay particles to join together to form bigger particles, more closely resembling loose sand. Another occasion when gypsum is often introduced in a garden setting is if the soil in your garden lacks calcium. The addition of …

Geological map of Oman showing the four areas …

This study examines the properties of expansive soil obtained from the city of Muscat in Oman. The expansive soil samples were further treated with gypsum, which was obtained from waste ...

The Role of Gypsum in Agriculture: 5 Key Benefits You …

 — The latest information on gypsum has been covered in detail at past Midwest Soil Improvement Symposiums. The event — which has been held in conjunction with The Ohio State University's Conservation Tillage and Technology Conference — typically includes presentations from industry representatives, scientists, consultants, and …

How to use Gypsum to Improve Clay Soil in …

 — There are various ways that you can use gypsum clay breaker to help improve your soil. For new garden beds. Spread 1 kg of powdered gypsum for every square metre of soil. Dig the gypsum into …

Gypsum as an agricultural product | Soil Science Society of …

 — Adding gypsum to the soil reduces erosion by increasing the ability of soil to soak up water after precipitation, thus reducing runoff. Gypsum application also improves soil aeration and water percolation through the soil profile. A recent study showed the benefit of gypsum application to improve movement of water through the profile to tile ...

ASTER mapping of gypsum deposits of Thumrait …

 — This study characterizes the spectral absorption features of gypsum mineral and discriminates the layered gypsum deposits and associated geological formations occurring in the Thumrait region of the …

AMENDING SOIL PROPERTIES WITH GYPSUM PRODUCTS

When exchangeable aluminum below a 12-inch soil depth is greater than 1.0 milliquivalent/100 mg soil, apply gypsum at a rate recommended by the land grant university (LGU) or the Agricultural Research Service (ARS). Use a soil analysis for aluminum no older than 1 year to plan the appropriate application

Review on the effect of gypsum content on soil behavior

 — In practice, especially in Japan, new specifications controlling the mixing percentage of gypsum with soil has been modified (Kyokai, 2007) to accept as much as possible higher mixing percentages of gypsum with soil because the priority now in Japan is to reduce the environmental effect of waste plasterboards (gypsum) by mixing it with soil ...

1. GYPSIFEROUS SOILS IN THE WORLD

1.1 Introduction. Gypsiferous soils are soils that contain sufficient quantities of gypsum (calcium sulphate) to interfere with plant growth. Soils with gypsum of pedogenic origin are found in regions with ustic, xeric and aridic moisture regimes (Nettleton et al. 1982). They are well represented in dry areas where sources for the calcium sulphate exist.

Omani gypsum exports near 10 million-tonne mark in 2022

 — Over the last 15 years, Oman has been growing in stature as the dominant supplier of gypsum to a region encompassing the Indian subcontinent, Southeast Asian, Southeast African and GCC states. Between 2008 and 2022, historical gypsum importers of this region imported 238.98 million tonnes, recording a Compounded Annual Growth …

(PDF) Experimental Study of Black Cotton Soil …

 — expansive soil from Oman. Build. Environ. 2005, 40, 681–687. ... Yin et al. found that stabilized black cotton soil with 3% lime +20% volcanic ash met the minimum swell, ...

Gypsum Soils—Their Morphology, Classification, Function, …

 — The particular properties that gypsum presence imparts to soils affect soil development, including soil morphology. Accumulations of pedogenic gypsum influence …

Agricultural Gypsum Oman

GGC Agriculture Gypsum improves the characteristics of the soil and increases the crop yields. It is also a very economical source of sulfur, which content in the soil promotes …

Unique Omani digitalised soil map on anvil

 — MUSCAT, AUG 30 - A group of researchers at Sultan Qaboos University (SQU) has begun preparing an interactive-digitalised platform to unveil the richness, colour, characteristics and diversity of Omani soils — a unique initiative that promises to yield fascinating insights with potential benefit to, among other sectors, agriculture, tourism, …

Oman becomes world's largest gypsum exporter

 — Alawi Zawawi, Vice Chairman of USG Boral Zawawi Gypsum, a leading player in the export of natural gypsum, said that Oman has the potential to export cumulatively total more than 300 million tonnes over the next 15 years (2018-2032), going by current trends. At an average Export FOB price of $18 per tonne, this could generate …

Largest Gypsum Board Manufacturer In Oman | Gypcore

Largest Gypsum Board Manufacturer In Oman. learn more. products. view all. Gypcore Plaster Boards. Decore Plasters. Fusion Joint Fillers. Ceiling Tiles. Secure. view all. news. view all. Inspiring Experience at Big5 Expo, Kenya! Inspiring Experience at Big5 Expo, Kenya! A fantastic visit to the Big5 Construction Expo in Kenya from Oman ...