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  • white mineral oils
  • The Panel on Food Additives and Nutrient Sources added to Food (ANS) provides a scientific opinion on the safety of high viscosity white mineral oils (HVMO) (CAS Registry Number 8042-47-5) when used as food additives. (europa.eu)
  • The SCF allocated a Temporary Group ADI of 0-4 mg/kg bw/day for white paraffinic oils which included white mineral oils with a viscosity higher than 8.5 cSt at 100°C. In 2002, JECFA recommended an ADI of 0 - 20 mg/kg bw/day for HVMO. (europa.eu)
  • Infiltration of histiocytes (granulomas) in mesenteric lymph nodes and oil deposition in the liver were considered to be an indication of exposure to white mineral oils rather than an adverse effect. (europa.eu)
  • Earth's
  • Since reconstructive transformations require significant structural rearrangement and significant changes in energy, they occur slowly, and the high temperature and high pressure polymorphs can occur as metastable minerals at the Earth's surface. (tulane.edu)
  • They are the largest and most important class of rock-forming minerals and make up approximately 90 percent of the Earth's crust. (wikipedia.org)
  • In ore deposit geology, hypogene processes occur deep below the earth's surface, and tend to form deposits of primary minerals, as opposed to supergene processes that occur at or near the surface, and tend to form secondary minerals. (wikipedia.org)
  • Modern soil science offers the following definition: "Primary Minerals: The thickness of the earth's crust varies from 10 km under the ocean to 30 km under the continents. (wikipedia.org)
  • There are almost 3000 known minerals, but only 20 are common and just 10 minerals make up 90 % of the earth's crust. (wikipedia.org)
  • Aluminium
  • Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations found on or near some planetary surfaces. (wikipedia.org)
  • zinc
  • Algeria's nonfuel minerals were used extensively as raw material for domestic manufacturing, but some, such as high-grade iron ore, phosphate, mercury, and zinc, have also been exported since the early 1970s. (countrystudies.us)
  • Adastra Minerals Inc (formerly America Mineral Fields Inc), was a London-based mining company with notable operations in central Africa (Angola, Democratic Republic of Congo, and Zambia), particularly in copper, cobalt and zinc exploration. (wikipedia.org)
  • clay minerals
  • The adjective "argillaceous" is also used to define rocks in which clay minerals are a secondary but significant component. (wikipedia.org)
  • Clay minerals form in the presence of water and have been important to life, and many theories of abiogenesis involve them. (wikipedia.org)
  • Clay minerals are usually (but not necessarily) ultrafine-grained (normally considered to be less than 2 micrometres in size on standard particle size classifications) and so may require special analytical techniques for their identification and study. (wikipedia.org)
  • Clay minerals have been detected at several locations on Mars, including Echus Chasma, Mawrth Vallis, the Memnonia quadrangle and the Elysium quadrangle. (wikipedia.org)
  • In 2013, analytical tests by the Curiosity rover found results consistent with the presence of smectite clay minerals on the planet Mars. (wikipedia.org)
  • Mixed layer clay minerals which are perfect R1 types often get their own names. (wikipedia.org)
  • Like all phyllosilicates, clay minerals are characterised by two-dimensional sheets of corner sharing SiO4 tetrahedra and/or AlO4 octahedra. (wikipedia.org)
  • include
  • Examples include the following: Halite NaCl Sylvite KCl Chlorargyrite AgCl and bromargyrite AgBr Fluorite CaF2 Atacamite Cu2Cl(OH)3 Bischofite (MgCl2·6H2O) Carnallite KMgCl3·6H2O Cryolite Na3AlF6 Cryptohalite (α)(NH4)2SiF6 Bararite (β)(NH4)2SiF6 Two commercially important halide minerals are halite and fluorite. (wikipedia.org)
  • Examples include: As illustrated by this specimen of proustite, sulfosalt minerals are often deeply colored. (wikipedia.org)
  • Borate minerals include: Kernite Na2B4O6(OH)2·3H2O Borax Na2B4O5(OH)4·8H2O Ulexite NaCaB5O6(OH)6·5H2O Colemanite CaB3O4(OH)3·H2O Boracite Mg3B7O13Cl IMA-CNMNC proposes a new hierarchical scheme (Mills et al. (wikipedia.org)
  • Example arsenate minerals include: Annabergite Ni3(AsO4)2·8H2O Austinite CaZn(AsO4)(OH) Clinoclase Cu3(AsO4)(OH)3 Conichalcite CaCu(AsO4)(OH) Cornubite Cu5(AsO4)2(OH)4 Cornwallite Cu2+5(AsO4)2(OH)2 Erythrite Co3(AsO4)2·8H2O Mimetite Pb5(AsO4)3Cl Olivenite Cu2(AsO4)OH IMA-CNMNC proposes a new hierarchical scheme (Mills et al. (wikipedia.org)
  • Tungsten
  • Wolf Minerals Limited is an ASX (WLF) and AIM (WLFE) listed specialty metals company focused on developing the Drakelands Mine tungsten and tin project, in Devon in the UK. (wikipedia.org)
  • Wolf Minerals is focused on developing a major tungsten and tin mining operation in the UK. (wikipedia.org)
  • On December 5, 2007 Wolf signed an option and lease agreement for the mineral rights and the rights to mine the Hemerdon tungsten and tin project near Plymouth, in Devon, in the southwest of UK. (wikipedia.org)
  • The Hemerdon Tungsten and Tin Project is Wolf Minerals core asset. (wikipedia.org)
  • amounts
  • Well, yes, but small amounts of some minerals are also in foods - for instance, red meat, such as beef, is a good source of iron. (kidshealth.org)
  • Macro means "large" in Greek (and your body needs larger amounts of macrominerals than trace minerals). (kidshealth.org)
  • Argillaceous minerals may appear silvery upon optical reflection and are minerals containing substantial amounts of clay-like components (Greek: ἄργιλλος = clay). (wikipedia.org)
  • company
  • The state mining and prospecting corporation, the National Company for Mineral Research and Exploration (Soci t Nationale de Recherches et d'Exploitations Mini res), was established in 1967. (countrystudies.us)
  • The most important of these were an iron ore and phosphate company known as Ferphos, which had three production units and a port complex at Annaba, and another company called Erem that specialized in conducting mineral research at Boumerdas on the Mediterranean Sea and Tamanrasset in the south. (countrystudies.us)
  • Saskatchewan Minerals Inc. is a privately held company located in Saskatchewan, Canada, that mines and processes sodium sulphate. (wikipedia.org)
  • The company plans to create a mine three miles south of Whitby and an underground conveyor system to transport the mineral from the mine site to a materials handling facility at Teesside, 36 km (22 mi) away. (wikipedia.org)
  • Wolf Minerals was incorporated on 20 September 2006 as a metals exploration and development company. (wikipedia.org)
  • Rubicon Minerals is a Canadian company active in gold exploration. (wikipedia.org)
  • In November 2010 Rubicon Minerals shares shot up after the company announced that part of their Phoenix project in the Red Lake area had an estimated inferred resource of 4 million ounces of gold. (wikipedia.org)
  • OZ Minerals (ASX: OZL) is a modern mining company based in Adelaide, Australia. (wikipedia.org)
  • tend
  • Since the Si - O bonds are strong covalent bonds and since the structure is interlocking, the tectosilicate minerals tend to have a high hardness. (tulane.edu)
  • asset
  • OZ Minerals currently has one major asset (Prominent Hill), but the sale more than eliminated the Company's debts, giving it cash in hand for operations. (wikipedia.org)
  • bones
  • The body uses minerals to perform many different functions - from building strong bones to transmitting nerve impulses. (kidshealth.org)
  • This mineral helps build strong bones, so you can do everything from standing up straight to scoring that winning goal. (kidshealth.org)
  • found
  • A new study found that women who took a specially prepared blend of minerals and nutrients for a month saw their 3-mile run times drop by almost a minute. (news-medical.net)
  • This mineral was found associated with the tridymite from Cerro San Cristobal near Pachuca, Mexico, and was named by vom Rath in 1887. (minsocam.org)
  • Results of the updated resource were as follows (November 25, 2011): Indicated Mineral Resource: 1,030kt @ 7.2% Cu, 5.0 g/t Au, 23 g/t Ag, 0.4% Zn Inferred Mineral Resource: 1,540kt @ 8.1% Cu, 6.4 g/t Au, 34 g/t Ag, 0.9% Zn A copy of the full updated mineral resource estimate can be found "here" (PDF). (wikipedia.org)
  • Primary minerals are defined as minerals found in soil but not formed in soil. (wikipedia.org)
  • often
  • A team of researchers from McGill University has advanced the scientific understanding of abnormal mineral accumulation in arteries, a complication often seen in patients with chronic kidney disease and diabetes. (news-medical.net)
  • large
  • The Atacama Desert also has large quantities of halide minerals as well as chlorates, iodates, oxyhalides and the like as well as nitrates, borates and other water-soluble minerals-not only underground but it crusts on the surface due to the low rainfall-the Atacama is the world's driest desert as well as one of the oldest (25 million years) IMA-CNMNC proposes a new hierarchical scheme (Mills et al. (wikipedia.org)