Felsite - Wikipedia
Felsite is a very fine-grained volcanic rock that may or may not contain larger crystals. Felsite is a field term for a light-colored rock that typically requires petrographic examination or chemical analysis for more precise definition.
Felsite: Description, Characteristics, and Other FAQs - Yes Dirt
Felsite is a general term for a type of igneous rock that is characterized by its fine-grained or glassy texture. It typically has a lower silica content than other types of igneous rocks. It’s chemical composition is typically similar to that of granite. Felsite usually forms from the slow cooling of magma near the earth’s surface.
Felsite Definition & Meaning - Merriam-Webster
The meaning of FELSITE is a dense igneous rock consisting almost entirely of feldspar and quartz.
Felsite
Felsite is a very fine-grained volcanic rock that may or may not contain larger crystals. It typically consists of a fine-grained matrix of felsic materials, particularly quartz, sodium and potassium feldspar, and may be used in making stone tools.
Felsite - Rock Identifier
Felsite is a field term for a light-colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Color is generally white through light gray, or red to tan and may include any color except dark gray, green or black (the colors of trap rock).
Felsite - Natural Atlas
Felsite is a very fine-grained volcanic rock that may or may not contain larger crystals. Felsite is a field term for a light-colored rock that typically requires petrographic examination or chemical analysis for more precise definition.
Felsic Rock Composition and Examples | Geology Base
2023年12月10日 · What is felsite? Felsite is a field term that refers to any aphanitic or very fine-grained rock yet to be identified and classified after a chemical or microscopic analysis.
Felsite - Encyclopedia
But felsite or microfelsite is still the generally accepted designation for that very fine-grained, almost cryptocrystalline substance which forms the ground-mass of so many rhyolites, dacites and porphyries. In the hand specimen it is a dull, lustreless, stony-looking aggregate.
Formation of Felsite | Composition - Compare Nature
Felsite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks. Felsite formation took place millions of years ago.
Felsic - Wikipedia
Felsite is a petrologic field term used to refer to very fine-grained or aphanitic, light-colored volcanic rocks which might be later reclassified after a more detailed microscopic or chemical analysis.
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