potassic


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potassic

[pə′tas·ik]
(petrology)
Referring to a rock which contains a significant amount of potassium.
References in periodicals archive ?
Potassic alteration produces fewer fines during grinding, while rocks subject to argillic alteration are weaker, so generate more fines.
Potassic alteration within Guyana is often associated with gold mineralization.
The ore minerals in these deposits are scattered throughout host rock as what is called disseminated mineralization or they are largely or wholly restricted to quartz veinlets forming a ramifying complex called stockwork; both forms of mineralization occur In many deposits Many alkaline and calc-alkaline porphyry Au-Cu deposits have extensive potassic hydrothermal alteration halos, varying both laterally and vertically, with changes in pressure, temperature, eH and pH during magmatic, hypogene and subsequent supergene processes (Wilson, 1986).
The two holes were drilled from a new platform in an area of coincident gold-in-soil anomalies and potassic alteration of basalt.
Azhagiri opposed finance ministry's proposal to implement the nutrient- based subsidy ( NBS) policy on decontrolled phosphatic and potassic fertiliser on the basis that it might result in a hike in fertiliser prices.
Potassic white mica: White mica analyses in sample FO0015 after calculation of the structural formula (double formula unit = d.
There was also a sizeable increase in the sales of phosphatic and potassic fertilizers as the Company continued its efforts to promote balanced fertilization.
Associated minerals are: analcime, gonnardite, vinogradovite, phillipsite, lavenite, seidozerite, fluorapatite, aegirine, potassic feldspar, nepheline, ilmenite, lorenzenite and sodalite.
Alteration of the porphyries is common, consisting principally of silicification and argillisation, with lesser potassic alteration.
Agrochemicals Market by Type (Fertilizers & Pesticides), Fertilizer Type (Nitrogenous, Potassic, & Phosphatic), Pesticide Type (Organophosphates, Pyrethroids, Neonicotinoids, and Bio-Pesticides), Sub-types & Crop Type - Global Trends & Forecast to 2020
136(I)/2015 the FBR has imposed higher rates of withholding taxes for importers and service providers who are non-filers of income tax returns covering companies providing services non-corporate service providers importers of remeltable steel potassic fertilizers urea pulses commercial importers under SRO.
Nitrogenous water-soluble fertilizers account for the major market share followed by phosphatic, and potassic water-soluble fertilizers.