Recent Examples of feldspar from the Web
Dating of quartz and feldspar grains provided estimates between approximately 62,000 and 85,000 years old, lining up neatly with the U-series dates.
A new paper in Nature tries to quantify some of these questions by looking at the age and compositional data recorded in plagioclase feldspar crystals.
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Origin and Etymology of feldspar
First Known Use: 1772See Words from the same year
FELDSPAR Defined for English Language Learners
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