Gallium Germanium Geochemistry

The aqueous geochemistry of gallium, germanium, indium and

1. IntroductionGallium, germanium, indium and scandium are relatively rare elements of strategic importance. They are employed in a variety of high-technology applications such as integrated circuits, optoelectronic devices, fiber optics, thin-film coatings, and metal alloys.

The geochemistry of gallium relative to aluminum in

The possibility that the chemically similar elements Ga and Al might be fractionated during the weathering process was examined. Gallium and Al were determined in waters, source rocks, and soils in a variety of weakly basic small stream drainages in California.

Gallium: Element and geochemistry " SpringerLink

Gallium is found most commonly as a trace to minor constituent in other minerals. It is widely dispersed in aluminum bearing minerals. Higher concentrations are detected especially in corundum (up to 500 ppm), spinel (200), muscovite (800), spodumene (700), nepheline (400) or andalusite (200).

The aqueous geochemistry of gallium, germanium, indium and

The aqueous geochemistry of gallium, germanium, indium and scandium The aqueous geochemistry of gallium, germanium, indium and scandium Wood, Scott A.; Samson, Iain M. Relatively little information is available in the literature regarding the speciation and solubility of Ga, Ge, In and Sc in aqueous solutions

Published in: Ore Geology Reviews · 2006Authors: Scott A Wood · Iain M SamsonAffiliation: University of Idaho · University of WindsorAbout: Mass transfer · Aqueous solution · Stability constants of complexes

GALLIUM AND GERMANIUM DISTRIBUTON IN GEOTHERMAL

The geochemistry of gallium and germanium was studied in geothermal waters from the low-temperature fields in the Southern Lowlands and the Geysir high- temperature field in Iceland.

Germanium: Element and geochemistry " SpringerLink

There, the oxidation zone contains 0.5% Ge in goethite and 0.7% Ge in hematite, reaching an economic level for germanium as well as gallium (Bernstein, 1985). The average content of Ge in shales is almost the same as in igneous rocks.

Gallium and germanium geochemistry during magmatic

Abstract. Contents of Ga and Ge in granites, rhyolites, orthogneisses and greisens of different geochemical types from the Bohemian Massif were studied using inductively coupled p

Germanium Wikipedia

Germanium is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon.

Pronunciation: /dʒərˈmeɪniəm/ ​(jər-MAY-nee-əm)

(PDF) Germanium geochemistry and mineralogy

The Apex Mine, in Washington County, southwestern Utah, is the first mine in the world to be operated primarily for germanium and gallium. The ore, consisting of goethite, limonite, hematite

GALLIUM AND GERMANIUM DISTRIBUTON IN GEOTHERMAL WATER

GALLIUM AND GERMANIUM DISTRIBUTON IN GEOTHERMAL WATER The geochemistry of gallium and germanium was studied in Gallium and germanium are trace elements in

On the occurrence of gallium and germanium in the

ABSTRACTThe presence of the critical and sought-after (semi-)metals gallium (Ga) and germanium (Ge) The Crust: treaties on geochemistry, Vol. 4,

groundwater chemistry Geochemistry of European Bottled Water

(The concept of the European groundwater geochemistry: fluorine, iron, gallium, gadolinium, germanium, hafnium, holmium, iodine, potassium, lanthanum, lithium,

GALLIUM AND GERMANIUM DISTRIBUTON IN GEOTHERMAL

GALLIUM AND GERMANIUM DISTRIBUTON IN GEOTHERMAL WAT ER The geochemistry of gallium and germanium was studied in geothermal Gallium and germanium are trace

Analytical Geochemistry, Volume 5 1st Edition

Purchase Analytical Geochemistry, Volume 5 Gallium Occurrence Detection Estimation Germanium Occurrence Detection Estimation Gold Occurrence Detection Estimation

Gallium Is A Metal That Melts In Your Hands

Gallium shares the higher-density liquid state with a short list of other materials that includes water, silicon, germanium, antimony, bismuth, and plutonium.

The aqueous geochemistry of gallium, germanium, indium and

formation). In analogy with Si, the most important species for Ge is germanic acid, H4GeO4 0, but again fluoride complexes may be Ore Geology Reviews 28 (2006) 57

1.4 Global perspective on critical commodities: country

1.4 Global perspective on critical commodities: country 1.4 Global perspective on critical commodities: country summaries and Germanium: Gallium: PGE:

The geochemistry of inorganic germanium in natural waters

We present the initial results from a survey of the distribution of dissolved inorganic germanium in rivers, in the oceans, and in hydrothermal vents and plumes.

Germanium: The mineralogy of Germanium Mindat

Geochemistry of Germanium; Goldschmidt classification: Chalcophile: Ge 4+ was one of the ions least depleted from the mantle in the formation of the crust.

Germanium: The mineralogy of Germanium Mindat

Gallium << Germanium >> Arsenic Most widespread minerals containing Germanium This list of minerals containing Germanium is built from the mindat locality database.

Gallium: The mineralogy of Gallium Mindat

Zinc << Gallium >> Germanium Most widespread minerals containing Gallium This list of minerals containing Gallium is built from the mindat locality database.

The geochemistry of gallium relative to DeepDyve

The geochemistry of gallium relative to aluminum in Californian streams The geochemistry of gallium relative to aluminum in Californian streams Shiller, Alan M.; Frilot, Daphne M. The possibility that the chemically similar elements Ga and Al might be fractionated during the weathering process was examined.

Published in: Geochimica et Cosmochimica Acta · 1996Authors: Alan M Shiller · Daphne M FrilotAffiliation: University of Southern MississippiAbout: Weathering

Host minerals for the gallium-germanium ores of the Apex

geochemistry economic geology gallium goethite germanium minerals metals metal ores oxides United States Utah sulfates strategic minerals jarosite You do not currently have access to this article. You could not be signed in.

Gallium and germanium geochemistry during magmatic

ICP-MS; geochemistry; granites; gallium; germanium Popis: Contents of Ga and Ge in granites, rhyolites, orthogneisses and greisens of different geochemical types from the Bohemian Massif were studied using inductively coupled plasma mass spectrometry analysis of typical whole-rock samples. The contents of both elements generally increase during fractionation of granitic melts: Ga from 16 to 77

Gallium, Germanium, Indium, and Iridium in Lunar

Neutron activation analyses of gallium, germanium, indium, and iridium in eight lunar samples andin meteorites androcks (including four calciuln- rich achondrites and five terrestrial basalts) with similar bulk compositions are re-ported. Lunargallium concentrations are remarkably constant at about S parts per million, three times higher and four times lower than those in eucritic (calcium

Gallium in chondritic meteorites Greenland 1965

Previous article in issue: Significance of the unequilibrated ordinary chondrites Previous article in issue: Significance of the unequilibrated ordinary chondrites Next article in issue: Tektite structure and lunar ash flows Next article in issue: Tektite structure and lunar ash flows Gallium has

Published in: Journal of Geophysical Research · 1965Authors: L GreenlandAffiliation: University of California San DiegoAbout: Physics · Chondrite · Neutron activation · Gallium · Neutron · Neutron activation analysis

Volume 3, Number 2 – October 2014 " Geochemical Perspectives

These other metals are those needed for steel (niobium, vanadium, nickel, molybdenum), for technology (tantalum, zircon, indium, gallium, germanium), for new technological developments in the renewable energy industry (europium, terbium, neodynium, lithium), and the chemical industry (platinum group metals, cobalt and rare earth elements).

Germanium and Indium USGS

Germanium and Indium Chapter I of Critical Mineral Resources of the United States—Economic and Environmental Geology and Prospects for Future Supply

testing Accreditation of the Scope alsglobal

SCOPE OF ACCREDITATION-No. 825 Page 1 of 2 Scope of Accreditation NATA ACCREDITATION NO: 825 Australian Laboratory Services Pty Ltd ALS Geochemistry-Perth, Malaga