glauconite


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Related to glauconite: Glaucophane, glauconitic sandstone

glau·co·nite

 (glô′kə-nīt′)
n.
A greenish mineral of the mica group, a hydrous silicate of potassium, iron, aluminum, or magnesium, (K,Na)(Al,Fe,Mg)2(Al,Si)4O10(OH)2, found in greensand and used as a fertilizer and water softener.

[German Glaukonit : Greek glaukon, neuter of glaukos, gray + -ite.]

glau′co·nit′ic (-nĭt′ĭk) adj.

glauconite

(ˈɡlɔːkəˌnaɪt)
n
(Minerals) a green mineral consisting of the hydrated silicate of iron, potassium, aluminium, and magnesium: found in greensand and other similar rocks. Formula: (K,Na,Ca)0.5-1(Fe,Al,Mg)2(Si,Al)4O10(OH)2.nH2O
[C19: from Greek glaukon, neuter of glaukos bluish-green + -ite1; see glaucous]
glauconitic adj

glau•co•nite

(ˈglɔ kəˌnaɪt)

n.
a greenish micaceous mineral, mainly a hydrous silicate of potassium, aluminum, and iron, occurring in greensand and clays.
[1830–40; < Greek glaukón, neuter of glaukós (see glaucous) + -ite1]
glau`co•nit′ic (-kəˈnɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.glauconite - a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
Experts say glauconite reserves will suffice for 35 years," he went on saying.
GA was mixed up with other overlying deposits, such as carbonate rocks, sandstone, glauconite sandstone, and Quaternary sediments, and piled in waste heaps.
The technology has been deployed with the Falcon multistage stimulation system for uncemented wells in formations representing a significant challenge to degradation times, such as Gold Creek, Slave Point, Glauconite, Cardium, Montney and Lower Montney with bottom hole temperatures as low as 30 degC (86 degF).
K/Ar dating of glauconite found within the blue earth has yielded an estimated age of 44.
Company is looking to produce Potash from a deposit of Glauconite, located close to Perth, in Western Australia.
Evidence of changes in the seawater chemistry is captured in the rock record by high rates of carbonate mineral formation early in the Cambrian, as well as the occurrence of extensive beds of glauconite, a potassium-, silica-, and iron-rich mineral that is much rarer today.
The presence of thin horizons containing glauconite grains, marine-affinity bivalves, and crinoids suggests a distal marine influence at various times (Ryan 1998).
Potash West NL (ASX:PWN) has commenced an extensive potassium extraction programme to test samples taken from its world class glauconite deposits in the Dandaragan Trough, Western Australia.
Aptly nicknamed the blue earth, this sand contains high levels of a mineral known as glauconite, a silicate that is responsible for its unusual blue-green color.
Sand is usually of whitish colour, which mainly depends on the amount of quartz and feldspar in it; other colours are determined by the additives like glauconite, which gives green colour, ferrous oxides and hydroxide layer, which give yellow, brown and pinkish colours, organic carbon-rich materials add grey and blackish colour.
According to them, the Caballos formation represents the oldest Cretaceous unit deposited immediately above the Triassic-Jurassic surface and is a retro gradational sequence deposited in an estuarine environment dominated by tides (Figure 2) and it is constituted predominant by medium to fine sandstone with local coarse grained and grey mudstone interbedded with organic matter, Glauconite and Pyrite.
Structural characterization and application of an analogue of the mica mineral Glauconite as a sorbent for the heavy metal ions [Cd.