| Part of Speech | Definition | |
| Adjective | 1. Relating to, composed of, or containing, felsite.[Websters]. | |
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Date "FELSITIC" was first used in popular English literature: sometime before 1914. (references) |
Specialty Definition: FELSITIC
| Domain | Definition | ||
| Mining | A textural term ordinarily applied to dense, light-colored igneous rocks composed of crystals that are too small to be readily distinguished with the unaided eye; microcrystalline. It may also be used as a microscopic term for the groundmass of porphyritic rocks that are too fine-grained for the mineral constituents to be determined with the microscope; cryptocrystalline. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
