Most potassium occurs in the Earth's crust as minerals, such as feldspars and clays. Potassium is leached from these by weathering, which explains why there is quite a lot of this element in the sea (0.75 g/liter). Minerals mined for their potassium are pinkish and sylvite, carnallite and alunite.
oppression - the act of subjugating by cruelty; the tyrant's oppression of the people. 2. oppression - the state of being kept down by unjust use of force or authority: after years of oppression they finally revolted. subjection, subjugation - forced submission to control by others. yoke - an oppressive power; under the yoke of a tyrant; they threw off the yoke of domination.
resilient. adj. 1. (General Physics) (of an object or material) capable of regaining its original shape or position after bending, stretching, compression, or other deformation; elastic. 2. (of a person) recovering easily and quickly from shock, illness, hardship, etc; irrepressible. (rÉªËzÉªl yÉnt). adj.