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potassium feldspar
- A type of alkali feldspar that contains a high proportion of potassium relative to sodium. Microcline and orthoclase are types of potassium feldspar.
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Example Sentences
Examples have not been reviewed.
Optical dating reveals when single grains of quartz or potassium feldspar in a sample of sediment were last exposed to sunlight and, thus, when the sediment was deposited.
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